--------------------------------------------------------------- IOzone 4k microsd card 'application performance' benchmarks 1.1 by Clort 2020-10-30 --------------------------------------------------------------- I compare moderately priced cards from 16GB to 256GB acquired over several years from reputable sellers Using 4 runs of iozone filesystem benchmark (https://iozone.org) iozone -e -I -a -s 100M -r 4k -i 0 -i 1 -i 2 Preceded each time by a 100MB 1MB block write of random data dd bs=1M count=100 if=/dev/urandom of=delme1 2>&1 |grep MB && sync && sleep 12s Devices: Arm SBCs and Linux phone NVidia Jetson Nano - 4GB RAM, 4xCortex A57 armv8 Khadas VIM3 - 4GB RAM, 4xCortex A72 armv8 Motorola Droid4 - 1GB RAM, 2xCortex A9 armv7 USB3 MicroSD Adapters (not on an external hub): TS-RDF5 SD Transcend TS3A PQ: 0 ANSI: 6 Kingston UHSII uSD Reader 0013 PQ: 0 ANSI: 6 Linux Kernels: k4.9 is on Jetson Nano: Linux 4.9.140-tegra #1 SMP PREEMPT Wed Mar 13 00:32:22 PDT 2019 aarch64 GNU/Linux k5.8 is on Droid 4: Linux 5.8.0 #1 SMP PREEMPT Tue Aug 25 09:33:57 UTC 2020 armv7l GNU/Linux k5.9 is on VIM3: Linux 5.9.0-rc2 #0.9.3 SMP Thu Aug 27 17:22:08 CST 2020 aarch64 GNU/Linux Filesystems: exfatm = exfat formatted from manufacturer exfatl = exfat formatted with mkfs.exfat ext4 = V2.36 mkfs.ext4 with no options ext4nj = V2.36 mkfs.ext4 -O ^has_journal (no journal) ext4cb1 = V2.36 mkfs.ext4 -O ^has_journal -E stride=2,stripe-width=1024 -b 4096 f2fs = flash-friendly file system (https://en.wikipedia.org/wiki/F2FS) -------------------------------------------------- Jetson Nano Write Rewrite Read Reread Randread Randwrite ------------------------------------------------------------------------------------------------------------------------------- 648 634 3260 3295 2394 462 Intenso 16GB SDHC - exfatl - JNano - Kingston USB3 - k4.9 620 629 3290 3283 2406 453 Intenso 16GB SDHC - exfatl - JNano - Kingston USB3 - k4.9 582 602 3237 3206 2349 433 Intenso 16GB SDHC - exfatl - JNano - Kingston USB3 - k4.9 628 625 3258 3315 2399 447 Intenso 16GB SDHC - exfatl - JNano - Kingston USB3 - k4.9 536 567 3296 3285 2340 425 Intenso 16GB SDHC - ext4 - JNano - Kingston USB3 - k4.9 590 626 3323 3323 2367 442 Intenso 16GB SDHC - ext4 - JNano - Kingston USB3 - k4.9 589 617 3296 3298 2347 441 Intenso 16GB SDHC - ext4 - JNano - Kingston USB3 - k4.9 625 598 3244 3254 2335 437 Intenso 16GB SDHC - ext4 - JNano - Kingston USB3 - k4.9 593 619 3312 3323 2385 444 Intenso 16GB SDHC - ext4nj - JNano - Kingston USB3 - k4.9 594 626 3268 3293 2373 443 Intenso 16GB SDHC - ext4nj - JNano - Kingston USB3 - k4.9 602 620 3320 3317 2388 445 Intenso 16GB SDHC - ext4nj - JNano - Kingston USB3 - k4.9 538 590 3225 3235 2362 435 Intenso 16GB SDHC - ext4nj - JNano - Kingston USB3 - k4.9 608 725 3243 3292 2378 497 Intenso 16GB SDHC - ext4cb1 - JNano - Kingston USB3 - k4.9 715 727 3282 3254 2361 502 Intenso 16GB SDHC - ext4cb1 - JNano - Kingston USB3 - k4.9 725 740 3281 3274 2395 502 Intenso 16GB SDHC - ext4cb1 - JNano - Kingston USB3 - k4.9 715 727 3282 3254 2361 502 Intenso 16GB SDHC - ext4cb1 - JNano - Kingston USB3 - k4.9 1281 1289 4734 4728 4285 124 AFGA 16GB SDHC - exfatl - JNano - Kingston USB3 - k4.9 1303 1315 4695 4766 4291 134 AFGA 16GB SDHC - exfatl - JNano - Kingston USB3 - k4.9 1270 1284 4715 4816 4257 133 AFGA 16GB SDHC - exfatl - JNano - Kingston USB3 - k4.9 1294 1321 4806 4731 4241 131 AFGA 16GB SDHC - exfatl - JNano - Kingston USB3 - k4.9 668 1279 4728 4741 4219 121 AFGA 16GB SDHC - ext4 - JNano - Kingston USB3 - k4.9 1140 1259 4699 4758 4282 122 AFGA 16GB SDHC - ext4 - JNano - Kingston USB3 - k4.9 1147 1270 4800 4817 4321 122 AFGA 16GB SDHC - ext4 - JNano - Kingston USB3 - k4.9 1176 1268 4713 4669 4000 120 AFGA 16GB SDHC - ext4 - JNano - Kingston USB3 - k4.9 1214 1294 4686 4824 4338 121 AFGA 16GB SDHC - ext4nj - JNano - Kingston USB3 - k4.9 1243 1307 4718 4772 4246 122 AFGA 16GB SDHC - ext4nj - JNano - Kingston USB3 - k4.9 1228 1293 4741 4765 4299 122 AFGA 16GB SDHC - ext4nj - JNano - Kingston USB3 - k4.9 1219 1283 4680 4750 4171 125 AFGA 16GB SDHC - ext4nj - JNano - Kingston USB3 - k4.9 1225 1284 4680 4687 4262 121 AFGA 16GB SDHC - ext4cb1 - JNano - Kingston USB3 - k4.9 1225 1313 4666 4679 4217 114 AFGA 16GB SDHC - ext4cb1 - JNano - Kingston USB3 - k4.9 1252 1265 4763 4732 4288 119 AFGA 16GB SDHC - ext4cb1 - JNano - Kingston USB3 - k4.9 1184 1308 4745 4788 4279 114 AFGA 16GB SDHC - ext4cb1 - JNano - Kingston USB3 - k4.9 1536 1520 2706 2715 2477 1056 Sandisk Ultra A1 16GB - exfatl - JNano - Kingston USB3 - k4.9 1453 1595 2665 2668 2459 1067 Sandisk Ultra A1 16GB - exfatl - JNano - Kingston USB3 - k4.9 1362 1688 2699 2694 2469 1127 Sandisk Ultra A1 16GB - exfatl - JNano - Kingston USB3 - k4.9 1525 1735 2648 2667 2466 1136 Sandisk Ultra A1 16GB - exfatl - JNano - Kingston USB3 - k4.9 941 1153 2689 2647 2433 899 Sandisk Ultra A1 16GB - ext4 - JNano - Kingston USB3 - k4.9 1147 1314 2622 2625 2426 907 Sandisk Ultra A1 16GB - ext4 - JNano - Kingston USB3 - k4.9 1087 1243 2559 2618 2401 939 Sandisk Ultra A1 16GB - ext4 - JNano - Kingston USB3 - k4.9 1291 1573 2712 2672 2437 1018 Sandisk Ultra A1 16GB - ext4 - JNano - Kingston USB3 - k4.9 1058 1596 2691 2693 2446 1146 Sandisk Ultra A1 16GB - ext4nj - JNano - Kingston USB3 - k4.9 1341 1269 2653 2649 2436 952 Sandisk Ultra A1 16GB - ext4nj - JNano - Kingston USB3 - k4.9 1139 1530 2654 2669 2423 1111 Sandisk Ultra A1 16GB - ext4nj - JNano - Kingston USB3 - k4.9 1114 1198 2614 2627 2435 992 Sandisk Ultra A1 16GB - ext4nj - JNano - Kingston USB3 - k4.9 1223 1416 2656 2651 2460 1025 Sandisk Ultra A1 16GB - ext4cb1 - JNano - Kingston USB3 - k4.9 802 1631 2680 2663 2467 1119 Sandisk Ultra A1 16GB - ext4cb1 - JNano - Kingston USB3 - k4.9 1418 1636 2666 2636 2407 1143 Sandisk Ultra A1 16GB - ext4cb1 - JNano - Kingston USB3 - k4.9 1089 1474 2608 2611 2410 1111 Sandisk Ultra A1 16GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2340 2564 4850 4887 4500 2107 Sandisk Ultra A1 32GB - exfatl - JNano - Kingston USB3 - k4.9 1872 2495 4839 4827 4434 2033 Sandisk Ultra A1 32GB - exfatl - JNano - Kingston USB3 - k4.9 1872 2543 4589 4730 4362 2071 Sandisk Ultra A1 32GB - exfatl - JNano - Kingston USB3 - k4.9 2495 2612 5045 5029 4635 1965 Sandisk Ultra A1 32GB - exfatl - JNano - Kingston USB3 - k4.9 2044 2270 4345 4325 4070 1597 Sandisk Ultra A1 32GB - ext4 - JNano - Kingston USB3 - k4.9 1943 2584 5008 5053 4679 2070 Sandisk Ultra A1 32GB - ext4 - JNano - Kingston USB3 - k4.9 1948 2574 5052 5018 4634 2016 Sandisk Ultra A1 32GB - ext4 - JNano - Kingston USB3 - k4.9 2412 2638 5092 4942 4628 1966 Sandisk Ultra A1 32GB - ext4 - JNano - Kingston USB3 - k4.9 2028 2571 5052 5051 4556 1925 Sandisk Ultra A1 32GB - ext4nj - JNano - Kingston USB3 - k4.9 2004 2593 5098 5120 4666 1909 Sandisk Ultra A1 32GB - ext4nj - JNano - Kingston USB3 - k4.9 2018 2607 4997 5111 4642 1895 Sandisk Ultra A1 32GB - ext4nj - JNano - Kingston USB3 - k4.9 2381 2653 5096 5116 4707 1994 Sandisk Ultra A1 32GB - ext4nj - JNano - Kingston USB3 - k4.9 2483 2590 5052 5024 4547 2031 Sandisk Ultra A1 32GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2417 2680 5113 5003 4810 1840 Sandisk Ultra A1 32GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2433 2690 5022 5033 4617 1979 Sandisk Ultra A1 32GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2294 2428 5038 5034 4595 1864 Sandisk Ultra A1 32GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2546 2700 5155 5118 4942 2401 Sandisk Ultra A1 64GB - exfatl - JNano - Kingston USB3 - k4.9 1785 2843 5211 5208 5016 2387 Sandisk Ultra A1 64GB - exfatl - JNano - Kingston USB3 - k4.9 1786 2842 5173 5202 4983 2451 Sandisk Ultra A1 64GB - exfatl - JNano - Kingston USB3 - k4.9 1701 2887 5224 5248 5012 2311 Sandisk Ultra A1 64GB - exfatl - JNano - Kingston USB3 - k4.9 2555 2780 5216 5278 4985 2377 Sandisk Ultra A1 64GB - ext4 - JNano - Kingston USB3 - k4.9 1734 2642 5225 5270 4987 2298 Sandisk Ultra A1 64GB - ext4 - JNano - Kingston USB3 - k4.9 1781 2644 5260 5267 4988 1997 Sandisk Ultra A1 64GB - ext4 - JNano - Kingston USB3 - k4.9 2049 2780 5173 5266 4960 2317 Sandisk Ultra A1 64GB - ext4 - JNano - Kingston USB3 - k4.9 2109 2756 5148 5163 4795 2149 Sandisk Ultra A1 64GB - ext4nj - JNano - Kingston USB3 - k4.9 2357 2775 5063 5139 4902 2017 Sandisk Ultra A1 64GB - ext4nj - JNano - Kingston USB3 - k4.9 2474 2765 5153 5094 4805 2270 Sandisk Ultra A1 64GB - ext4nj - JNano - Kingston USB3 - k4.9 2337 2798 5208 5248 5019 2214 Sandisk Ultra A1 64GB - ext4nj - JNano - Kingston USB3 - k4.9 1704 2762 5230 5311 5022 2396 Sandisk Ultra A1 64GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2337 2827 5300 5282 5001 2362 Sandisk Ultra A1 64GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2221 2667 5163 5186 4891 2130 Sandisk Ultra A1 64GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2441 2600 5155 5192 4766 2337 Sandisk Ultra A1 64GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2469 2366 5344 5351 5220 2398 Sandisk Ultra A1 128GB - exfatl - JNano - Kingston USB3 - k4.9 2594 2577 5426 5284 5280 1600 Sandisk Ultra A1 128GB - exfatl - JNano - Kingston USB3 - k4.9 2448 1804 5357 5346 5364 2381 Sandisk Ultra A1 128GB - exfatl - JNano - Kingston USB3 - k4.9 2015 2614 5378 4844 5334 2268 Sandisk Ultra A1 128GB - exfatl - JNano - Kingston USB3 - k4.9 1861 2523 5052 5119 4998 1776 Sandisk Ultra A1 128GB - ext4 - JNano - Kingston USB3 - k4.9 1959 2515 5197 5109 5073 2058 Sandisk Ultra A1 128GB - ext4 - JNano - Kingston USB3 - k4.9 2209 2252 5166 5236 5099 2130 Sandisk Ultra A1 128GB - ext4 - JNano - Kingston USB3 - k4.9 1988 2276 5027 5193 4904 2275 Sandisk Ultra A1 128GB - ext4 - JNano - Kingston USB3 - k4.9 2474 2606 5363 5348 5261 2127 Sandisk Ultra A1 128GB - ext4nj - JNano - Kingston USB3 - k4.9 2550 2700 5309 5326 5268 2038 Sandisk Ultra A1 128GB - ext4nj - JNano - Kingston USB3 - k4.9 2613 2714 5348 5291 5270 1922 Sandisk Ultra A1 128GB - ext4nj - JNano - Kingston USB3 - k4.9 2191 2711 5279 5339 5300 2292 Sandisk Ultra A1 128GB - ext4nj - JNano - Kingston USB3 - k4.9 2157 2315 4632 4646 4837 2230 Sandisk Ultra A1 128GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2412 2097 5265 5331 5334 2295 Sandisk Ultra A1 128GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2141 2695 5383 5382 5359 2343 Sandisk Ultra A1 128GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2317 2531 5383 5431 5421 2351 Sandisk Ultra A1 128GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2467 2863 5040 4959 5012 2600 Samsung Evo+ 128GB Class 10 - exfatl - JNano - Kingston USB3 - k4.9 2516 2844 4691 4654 4659 2668 Samsung Evo+ 128GB Class 10 - exfatl - JNano - Kingston USB3 - k4.9 2630 2064 5300 5350 5370 2359 Samsung Evo+ 128GB Class 10 - exfatl - JNano - Kingston USB3 - k4.9 2148 2440 5324 5354 5314 2587 Samsung Evo+ 128GB Class 10 - exfatl - JNano - Kingston USB3 - k4.9 2643 2829 5275 5289 5011 2608 Samsung Evo+ 128GB Class 10 - ext4 - JNano - Kingston USB3 - k4.9 2696 2135 5538 5529 5527 2749 Samsung Evo+ 128GB Class 10 - ext4 - JNano - Kingston USB3 - k4.9 1984 2039 4631 4657 4628 1936 Samsung Evo+ 128GB Class 10 - ext4 - JNano - Kingston USB3 - k4.9 2118 2097 4952 5520 5431 2530 Samsung Evo+ 128GB Class 10 - ext4 - JNano - Kingston USB3 - k4.9 2564 2748 5483 5535 5170 2313 Samsung Evo+ 128GB Class 10 - ext4nj - JNano - Kingston USB3 - k4.9 2782 2679 5426 5447 5434 1379 Samsung Evo+ 128GB Class 10 - ext4nj - JNano - Kingston USB3 - k4.9 1956 2085 5566 5542 5487 2838 Samsung Evo+ 128GB Class 10 - ext4nj - JNano - Kingston USB3 - k4.9 2148 2469 4837 4887 4794 2542 Samsung Evo+ 128GB Class 10 - ext4nj - JNano - Kingston USB3 - k4.9 1693 2246 5470 5394 5198 776 Samsung Evo+ 128GB Class 10 - ext4cb1 - JNano - Kingston USB3 - k4.9 2014 2573 5111 5204 5159 2405 Samsung Evo+ 128GB Class 10 - ext4cb1 - JNano - Kingston USB3 - k4.9 2298 2621 4635 4467 4450 2496 Samsung Evo+ 128GB Class 10 - ext4cb1 - JNano - Kingston USB3 - k4.9 2323 2633 4469 4456 4399 1760 Samsung Evo+ 128GB Class 10 - ext4cb1 - JNano - Kingston USB3 - k4.9 2710 2811 6567 6563 5961 2828 Transcend 300s A1 128GB - exfatl - JNano - Kingston USB3 - k4.9 2710 2835 6578 6598 5945 2780 Transcend 300s A1 128GB - exfatl - JNano - Kingston USB3 - k4.9 2758 2859 6674 6688 5927 2775 Transcend 300s A1 128GB - exfatl - JNano - Kingston USB3 - k4.9 2577 2788 6417 6418 5845 2834 Transcend 300s A1 128GB - exfatl - JNano - Kingston USB3 - k4.9 2631 2792 6526 6497 5775 2786 Transcend 300s A1 128GB - ext4 - JNano - Kingston USB3 - k4.9 2585 2810 6561 6685 5916 2758 Transcend 300s A1 128GB - ext4 - JNano - Kingston USB3 - k4.9 2573 2788 6639 6611 5822 2781 Transcend 300s A1 128GB - ext4 - JNano - Kingston USB3 - k4.9 2663 2803 6598 6656 5874 2716 Transcend 300s A1 128GB - ext4 - JNano - Kingston USB3 - k4.9 2686 2802 6585 6531 5905 2802 Transcend 300s A1 128GB - ext4nj - JNano - Kingston USB3 - k4.9 2662 2837 6549 6508 5932 2742 Transcend 300s A1 128GB - ext4nj - JNano - Kingston USB3 - k4.9 2717 2740 6532 6472 5683 2785 Transcend 300s A1 128GB - ext4nj - JNano - Kingston USB3 - k4.9 2680 2764 6500 6594 5742 2665 Transcend 300s A1 128GB - ext4nj - JNano - Kingston USB3 - k4.9 2718 2815 6579 6702 5971 2722 Transcend 300s A1 128GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2699 2798 6487 6597 5917 2711 Transcend 300s A1 128GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2631 2741 6579 6574 5911 2858 Transcend 300s A1 128GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2721 2871 6495 6637 5997 2644 Transcend 300s A1 128GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2435 2643 6033 5980 5357 2543 Transcend 300s A1 256GB - exfatl - JNano - Kingston USB3 - k4.9 2650 2748 5850 5855 5321 2750 Transcend 300s A1 256GB - exfatl - JNano - Kingston USB3 - k4.9 2703 2743 5436 5456 4936 2784 Transcend 300s A1 256GB - exfatl - JNano - Kingston USB3 - k4.9 2622 2814 5411 5548 5033 2790 Transcend 300s A1 256GB - exfatl - JNano - Kingston USB3 - k4.9 2663 2819 5500 5537 5046 2751 Transcend 300s A1 256GB - exfatl - JNano - Kingston USB3 - k4.9 2528 2712 6493 6470 5747 2602 Transcend 300s A1 256GB - ext4 - JNano - Kingston USB3 - k4.9 2497 2453 6197 6294 5671 2587 Transcend 300s A1 256GB - ext4 - JNano - Kingston USB3 - k4.9 2395 2477 6387 6341 5686 2442 Transcend 300s A1 256GB - ext4 - JNano - Kingston USB3 - k4.9 2310 2389 4861 4910 4434 2386 Transcend 300s A1 256GB - ext4 - JNano - Kingston USB3 - k4.9 2321 2477 4870 4636 4389 2440 Transcend 300s A1 256GB - ext4 - JNano - Kingston USB3 - k4.9 2685 2833 6527 6582 5946 2837 Transcend 300s A1 256GB - ext4nj - JNano - Kingston USB3 - k4.9 2720 2834 6509 6587 5996 2836 Transcend 300s A1 256GB - ext4nj - JNano - Kingston USB3 - k4.9 2713 2842 6578 6639 5867 2828 Transcend 300s A1 256GB - ext4nj - JNano - Kingston USB3 - k4.9 2735 2749 5463 5499 5003 2727 Transcend 300s A1 256GB - ext4nj - JNano - Kingston USB3 - k4.9 2677 2782 6684 6604 5910 2711 Transcend 300s A1 256GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2730 2835 6555 6512 5865 2810 Transcend 300s A1 256GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2597 2785 6561 6510 5846 2804 Transcend 300s A1 256GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2592 2801 6437 6557 5904 2697 Transcend 300s A1 256GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2820 2964 6398 6414 5757 2947 AData Premier Pro A2 V30 256GB - exfatm - JNano - Kingston USB3 - k4.9 2940 2979 6181 6296 5565 3106 AData Premier Pro A2 V30 256GB - exfatm - JNano - Kingston USB3 - k4.9 3005 2924 6233 6232 5692 3076 AData Premier Pro A2 V30 256GB - exfatm - JNano - Kingston USB3 - k4.9 2853 3109 6779 6657 6040 3045 AData Premier Pro A2 V30 256GB - exfatm - JNano - Kingston USB3 - k4.9 3007 3011 6721 6690 6049 3040 AData Premier Pro A2 V30 256GB - exfatl - JNano - Kingston USB3 - k4.9 2818 2994 6421 6353 5613 2976 AData Premier Pro A2 V30 256GB - ext4 - JNano - Kingston USB3 - k4.9 2744 2929 6427 6349 5751 2940 AData Premier Pro A2 V30 256GB - ext4 - JNano - Kingston USB3 - k4.9 2776 2968 6393 6461 5752 2939 AData Premier Pro A2 V30 256GB - ext4 - JNano - Kingston USB3 - k4.9 2458 2660 5592 5806 4866 2633 AData Premier Pro A2 V30 256GB - ext4 - JNano - Kingston USB3 - k4.9 3023 3042 6719 6461 5940 3004 AData Premier Pro A2 V30 256GB - ext4nj - JNano - Kingston USB3 - k4.9 3079 3045 6531 6465 5876 3031 AData Premier Pro A2 V30 256GB - ext4nj - JNano - Kingston USB3 - k4.9 2967 3012 6516 6532 5835 3035 AData Premier Pro A2 V30 256GB - ext4nj - JNano - Kingston USB3 - k4.9 2940 3049 6569 6527 5900 3068 AData Premier Pro A2 V30 256GB - ext4nj - JNano - Kingston USB3 - k4.9 2874 3002 6543 6511 5912 2990 AData Premier Pro A2 V30 256GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2969 3088 6491 6344 5734 3062 AData Premier Pro A2 V30 256GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2935 3026 6592 6546 5817 3005 AData Premier Pro A2 V30 256GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2917 2999 6507 6476 5919 2994 AData Premier Pro A2 V30 256GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2875 3065 6547 6573 5937 2969 AData High Endur A2 V30 256GB - exfatl - JNano - Kingston USB3 - k4.9 2983 2975 6575 6618 5929 2968 AData High Endur A2 V30 256GB - exfatl - JNano - Kingston USB3 - k4.9 2877 2977 6672 6595 5930 3039 AData High Endur A2 V30 256GB - exfatl - JNano - Kingston USB3 - k4.9 2853 3109 6779 6657 6040 3045 AData High Endur A2 V30 256GB - exfatl - JNano - Kingston USB3 - k4.9 2371 2533 5507 5695 4685 2518 AData High Endur A2 V30 256GB - ext4 - JNano - Kingston USB3 - k4.9 2799 2906 6434 6440 5777 2916 AData High Endur A2 V30 256GB - ext4 - JNano - Kingston USB3 - k4.9 2724 2942 6334 6168 5749 2841 AData High Endur A2 V30 256GB - ext4 - JNano - Kingston USB3 - k4.9 2895 3003 6590 6776 5963 2989 AData High Endur A2 V30 256GB - ext4 - JNano - Kingston USB3 - k4.9 2749 2891 6412 6430 5495 2798 AData High Endur A2 V30 256GB - ext4nj - JNano - Kingston USB3 - k4.9 2733 2858 6212 6404 5782 2814 AData High Endur A2 V30 256GB - ext4nj - JNano - Kingston USB3 - k4.9 2873 2986 6496 6491 5968 3073 AData High Endur A2 V30 256GB - ext4nj - JNano - Kingston USB3 - k4.9 2898 3007 6613 6489 5853 3082 AData High Endur A2 V30 256GB - ext4nj - JNano - Kingston USB3 - k4.9 2607 2762 5906 6080 4976 2683 AData High Endur A2 V30 256GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2575 2717 6174 5642 5128 2717 AData High Endur A2 V30 256GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2630 2731 5739 5958 5007 3050 AData High Endur A2 V30 256GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2974 3050 6782 6780 6020 3032 AData High Endur A2 V30 256GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2832 3019 6712 6713 6053 3105 AData High Endur A2 V30 256GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2620 2579 5605 5498 5023 2429 Kingston Canvas Select+ A1 256GB - exfatm - JNano - Kingston USB3 - k4.9 2619 2569 5655 5639 4979 2440 Kingston Canvas Select+ A1 256GB - exfatm - JNano - Kingston USB3 - k4.9 2555 2606 5742 5864 5220 2465 Kingston Canvas Select+ A1 256GB - exfatm - JNano - Kingston USB3 - k4.9 2667 2608 5840 5934 5187 2458 Kingston Canvas Select+ A1 256GB - exfatl - JNano - Kingston USB3 - k4.9 2139 2276 4901 5003 4269 2142 Kingston Canvas Select+ A1 256GB - ext4 - JNano - Kingston USB3 - k4.9 2182 2320 5074 5102 4260 2150 Kingston Canvas Select+ A1 256GB - ext4 - JNano - Kingston USB3 - k4.9 2406 2565 5752 5689 5038 2402 Kingston Canvas Select+ A1 256GB - ext4 - JNano - Kingston USB3 - k4.9 2439 2579 5707 5808 4997 2426 Kingston Canvas Select+ A1 256GB - ext4 - JNano - Kingston USB3 - k4.9 2732 3012 5531 5587 5063 2984 Kingston Canvas Select+ A1 256GB - ext4nj - JNano - Kingston USB3 - k4.9 2732 3012 5531 5587 5063 2984 Kingston Canvas Select+ A1 256GB - ext4nj - JNano - Kingston USB3 - k4.9 2470 2596 5801 5792 5131 2446 Kingston Canvas Select+ A1 256GB - ext4nj - JNano - Kingston USB3 - k4.9 2256 2365 5312 5310 4379 2200 Kingston Canvas Select+ A1 256GB - ext4nj - JNano - Kingston USB3 - k4.9 2280 2358 5237 5305 4376 2191 Kingston Canvas Select+ A1 256GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2407 2349 5230 5232 4434 2193 Kingston Canvas Select+ A1 256GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2391 2359 5268 5358 4393 2191 Kingston Canvas Select+ A1 256GB - ext4cb1 - JNano - Kingston USB3 - k4.9 2389 2598 5754 5781 5117 2441 Kingston Canvas Select+ A1 256GB - ext4cb1 - JNano - Kingston USB3 - k4.9 1740 1780 4367 4370 3615 1812 Emtec Speedin Pro A1 256GB - exfatm - JNano - Kingston USB3 - k4.9 1666 1781 4325 4343 3481 1501 Emtec Speedin Pro A1 256GB - exfatm - JNano - Kingston USB3 - k4.9 1635 1666 4330 4405 3527 1906 Emtec Speedin Pro A1 256GB - exfatm - JNano - Kingston USB3 - k4.9 1785 1800 4452 4509 3582 1833 Emtec Speedin Pro A1 256GB - exfatl - JNano - Kingston USB3 - k4.9 1403 1452 4177 4125 3041 1421 Emtec Speedin Pro A1 256GB - ext4 - JNano - Kingston USB3 - k4.9 1436 1481 4094 4193 3353 1361 Emtec Speedin Pro A1 256GB - ext4 - JNano - Kingston USB3 - k4.9 1541 1565 4442 4447 3511 1565 Emtec Speedin Pro A1 256GB - ext4 - JNano - Kingston USB3 - k4.9 1457 1466 4088 4012 2827 1510 Emtec Speedin Pro A1 256GB - ext4 - JNano - Kingston USB3 - k4.9 1726 1657 4413 4421 3613 1560 Emtec Speedin Pro A1 256GB - ext4nj - JNano - Kingston USB3 - k4.9 1428 1786 4429 4433 3627 1525 Emtec Speedin Pro A1 256GB - ext4nj - JNano - Kingston USB3 - k4.9 1701 1748 4453 4427 3557 1823 Emtec Speedin Pro A1 256GB - ext4nj - JNano - Kingston USB3 - k4.9 1616 1632 4459 4495 3606 1619 Emtec Speedin Pro A1 256GB - ext4nj - JNano - Kingston USB3 - k4.9 1631 1520 4379 4417 3588 1524 Emtec Speedin Pro A1 256GB - ext4cb1 - JNano - Kingston USB3 - k4.9 1620 1740 4466 4488 3566 1804 Emtec Speedin Pro A1 256GB - ext4cb1 - JNano - Kingston USB3 - k4.9 1640 1771 4463 4460 3605 1718 Emtec Speedin Pro A1 256GB - ext4cb1 - JNano - Kingston USB3 - k4.9 1711 1734 4351 4422 3690 1714 Emtec Speedin Pro A1 256GB - ext4cb1 - JNano - Kingston USB3 - k4.9 -------------------------------------------------- Khadas Vim3 - internal microSD card reader Write Rewrite Read Reread Randread Randwrite ------------------------------------------------------------------------------------------------------------------------------- 12113 19809 34318 34428 34302 17904 Khadas VIM3 Internal EMMC - ext4 18963 19518 34310 34255 34205 18315 Khadas VIM3 Internal EMMC - ext4 18792 11600 34339 34381 34202 18268 Khadas VIM3 Internal EMMC - ext4 14099 15420 34309 34304 34069 18826 Khadas VIM3 Internal EMMC - ext4 709 717 4433 4432 3064 493 Intenso 16GB SDHC - exfatl - Vim3 - Internal - k5.9 709 715 4442 4440 3070 488 Intenso 16GB SDHC - exfatl - Vim3 - Internal - k5.9 701 705 4445 4445 3070 482 Intenso 16GB SDHC - exfatl - Vim3 - Internal - k5.9 698 701 4438 4440 3068 472 Intenso 16GB SDHC - exfatl - Vim3 - Internal - k5.9 802 840 4303 4348 2923 545 Intenso 16GB SDHC - ext4 - Vim3 - Internal - k5.9 818 833 4351 4370 2922 543 Intenso 16GB SDHC - ext4 - Vim3 - Internal - k5.9 819 833 4310 4314 2916 543 Intenso 16GB SDHC - ext4 - Vim3 - Internal - k5.9 811 831 4336 4346 2897 545 Intenso 16GB SDHC - ext4 - Vim3 - Internal - k5.9 742 765 4012 4172 2934 549 Intenso 16GB SDHC - ext4nj - Vim3 - Internal - k5.9 834 847 4387 4389 3029 557 Intenso 16GB SDHC - ext4nj - Vim3 - Internal - k5.9 832 849 4392 4385 3032 557 Intenso 16GB SDHC - ext4nj - Vim3 - Internal - k5.9 835 848 4392 4395 3032 556 Intenso 16GB SDHC - ext4nj - Vim3 - Internal - k5.9 831 848 4390 4390 3054 559 Intenso 16GB SDHC - f2fs - Vim3 - Internal - k5.9 829 850 4393 4394 3034 557 Intenso 16GB SDHC - f2fs - Vim3 - Internal - k5.9 828 847 4391 4391 3031 556 Intenso 16GB SDHC - f2fs - Vim3 - Internal - k5.9 834 849 4389 4393 3033 558 Intenso 16GB SDHC - f2fs - Vim3 - Internal - k5.9 1619 1618 7899 7861 6764 131 AFGA 16GB SDHC - exfatl - Vim3 - Internal - k5.9 1602 1590 7654 7760 6655 118 AFGA 16GB SDHC - exfatl - Vim3 - Internal - k5.9 1557 1536 7632 7728 6608 127 AFGA 16GB SDHC - exfatl - Vim3 - Internal - k5.9 1601 1584 7451 7644 6564 127 AFGA 16GB SDHC - exfatl - Vim3 - Internal - k5.9 1462 1493 7669 7565 6621 126 AFGA 16GB SDHC - ext4 - Vim3 - Internal - k5.9 1493 1538 7618 7673 6395 126 AFGA 16GB SDHC - ext4 - Vim3 - Internal - k5.9 1488 1490 7461 7571 6422 123 AFGA 16GB SDHC - ext4 - Vim3 - Internal - k5.9 1384 1505 7500 7505 6430 112 AFGA 16GB SDHC - ext4 - Vim3 - Internal - k5.9 1400 1504 7839 7844 6601 124 AFGA 16GB SDHC - ext4nj - Vim3 - Internal - k5.9 1539 1619 7798 7623 6658 124 AFGA 16GB SDHC - ext4nj - Vim3 - Internal - k5.9 1558 1584 7693 7589 6558 109 AFGA 16GB SDHC - ext4nj - Vim3 - Internal - k5.9 1566 1557 7616 7694 6522 120 AFGA 16GB SDHC - ext4nj - Vim3 - Internal - k5.9 1653 1632 7898 7885 6751 137 AFGA 16GB SDHC - f2fs - Vim3 - Internal - k5.9 1617 1637 7830 7830 6681 135 AFGA 16GB SDHC - f2fs - Vim3 - Internal - k5.9 1588 1580 7819 7817 6701 135 AFGA 16GB SDHC - f2fs - Vim3 - Internal - k5.9 1620 1608 7911 7904 6776 130 AFGA 16GB SDHC - f2fs - Vim3 - Internal - k5.9 2574 3209 9182 9174 7145 1850 Sandisk Ultra A1 16GB - exfatl - Vim3 - Internal - k5.9 2259 2586 8538 8535 7145 1589 Sandisk Ultra A1 16GB - exfatl - Vim3 - Internal - k5.9 2742 2522 9162 9162 7307 1655 Sandisk Ultra A1 16GB - exfatl - Vim3 - Internal - k5.9 2807 2745 8448 8449 6961 1759 Sandisk Ultra A1 16GB - exfatl - Vim3 - Internal - k5.9 2604 2740 7650 7550 6137 2043 Sandisk Ultra A1 16GB - ext4 - Vim3 - Internal - k5.9 2864 3111 8776 8785 6919 2009 Sandisk Ultra A1 16GB - ext4 - Vim3 - Internal - k5.9 3035 3911 9117 9127 7245 2379 Sandisk Ultra A1 16GB - ext4 - Vim3 - Internal - k5.9 2915 3936 8609 8614 6862 2170 Sandisk Ultra A1 16GB - ext4 - Vim3 - Internal - k5.9 3126 3882 8861 8979 6888 2037 Sandisk Ultra A1 16GB - ext4nj - Vim3 - Internal - k5.9 2938 3258 9033 8946 6848 1878 Sandisk Ultra A1 16GB - ext4nj - Vim3 - Internal - k5.9 2839 2956 8619 8412 6698 2018 Sandisk Ultra A1 16GB - ext4nj - Vim3 - Internal - k5.9 2875 3034 8766 8992 6889 1856 Sandisk Ultra A1 16GB - ext4nj - Vim3 - Internal - k5.9 3184 3919 8929 8945 6947 2104 Sandisk Ultra A1 16GB - ext4cb1 - Vim3 - Internal - k5.9 3001 3149 9025 8908 7028 1872 Sandisk Ultra A1 16GB - ext4cb1 - Vim3 - Internal - k5.9 2908 3067 8643 8597 6735 2044 Sandisk Ultra A1 16GB - ext4cb1 - Vim3 - Internal - k5.9 2779 3232 8671 8743 6840 2110 Sandisk Ultra A1 16GB - ext4cb1 - Vim3 - Internal - k5.9 3249 3868 8314 8308 6586 2189 Sandisk Ultra A1 16GB - f2fs - Vim3 - Internal - k5.9 3311 3809 8532 8531 6708 2318 Sandisk Ultra A1 16GB - f2fs - Vim3 - Internal - k5.9 3311 3923 9103 9082 7177 2400 Sandisk Ultra A1 16GB - f2fs - Vim3 - Internal - k5.9 3314 3809 9134 9135 7187 2374 Sandisk Ultra A1 16GB - f2fs - Vim3 - Internal - k5.9 3722 3796 9893 9894 8871 2379 Sandisk Ultra A1 32GB - exfatl - Vim3 - Internal - k5.9 3750 3727 9904 9902 8938 2346 Sandisk Ultra A1 32GB - exfatl - Vim3 - Internal - k5.9 3734 3742 9883 9886 8897 2465 Sandisk Ultra A1 32GB - exfatl - Vim3 - Internal - k5.9 3702 3807 9805 9814 8887 2354 Sandisk Ultra A1 32GB - exfatl - Vim3 - Internal - k5.9 3626 3624 9844 9873 8564 2533 Sandisk Ultra A1 32GB - ext4 - Vim3 - Internal - k5.9 3701 3580 10012 9987 8852 2565 Sandisk Ultra A1 32GB - ext4 - Vim3 - Internal - k5.9 3703 3816 10022 10028 8721 2627 Sandisk Ultra A1 32GB - ext4 - Vim3 - Internal - k5.9 3675 3803 9972 9960 8833 2564 Sandisk Ultra A1 32GB - ext4 - Vim3 - Internal - k5.9 3584 3669 9902 9800 8501 2354 Sandisk Ultra A1 32GB - ext4nj - Vim3 - Internal - k5.9 3677 3828 9993 9990 8706 2506 Sandisk Ultra A1 32GB - ext4nj - Vim3 - Internal - k5.9 3750 3759 10037 10038 8990 2434 Sandisk Ultra A1 32GB - ext4nj - Vim3 - Internal - k5.9 3655 3783 10016 10014 8914 2517 Sandisk Ultra A1 32GB - ext4nj - Vim3 - Internal - k5.9 3632 3800 9696 9766 8676 2423 Sandisk Ultra A1 32GB - ext4cb1 - Vim3 - Internal - k5.9 3678 3778 9992 9988 8539 2462 Sandisk Ultra A1 32GB - ext4cb1 - Vim3 - Internal - k5.9 3787 3724 9878 9893 8846 2457 Sandisk Ultra A1 32GB - ext4cb1 - Vim3 - Internal - k5.9 3732 3811 9882 9880 8590 2574 Sandisk Ultra A1 32GB - ext4cb1 - Vim3 - Internal - k5.9 3792 3824 10121 10112 8959 2710 Sandisk Ultra A1 32GB - f2fs - Vim3 - Internal - k5.9 3674 3862 10147 10147 8930 2644 Sandisk Ultra A1 32GB - f2fs - Vim3 - Internal - k5.9 3712 3778 9976 9970 8889 2444 Sandisk Ultra A1 32GB - f2fs - Vim3 - Internal - k5.9 3799 3716 9958 9961 8856 2428 Sandisk Ultra A1 32GB - f2fs - Vim3 - Internal - k5.9 3440 4105 10202 10204 9584 2910 Sandisk Ultra A1 64GB - exfatl - Vim3 - Internal - k5.9 3786 4169 10192 10194 9480 3145 Sandisk Ultra A1 64GB - exfatl - Vim3 - Internal - k5.9 3791 4252 10198 10193 9485 3279 Sandisk Ultra A1 64GB - exfatl - Vim3 - Internal - k5.9 3422 4284 10200 10202 9479 3344 Sandisk Ultra A1 64GB - exfatl - Vim3 - Internal - k5.9 4067 4126 9965 10075 9142 3403 Sandisk Ultra A1 64GB - ext4 - Vim3 - Internal - k5.9 4038 4116 10059 10058 9130 3293 Sandisk Ultra A1 64GB - ext4 - Vim3 - Internal - k5.9 3972 4102 10019 10008 9136 3231 Sandisk Ultra A1 64GB - ext4 - Vim3 - Internal - k5.9 3206 4242 10069 10008 9231 3401 Sandisk Ultra A1 64GB - ext4 - Vim3 - Internal - k5.9 3989 4109 9973 10059 9360 3375 Sandisk Ultra A1 64GB - ext4nj - Vim3 - Internal - k5.9 3922 4090 10061 9918 9133 3292 Sandisk Ultra A1 64GB - ext4nj - Vim3 - Internal - k5.9 3995 4113 9923 9965 9150 3400 Sandisk Ultra A1 64GB - ext4nj - Vim3 - Internal - k5.9 3721 4103 10078 10068 9107 3254 Sandisk Ultra A1 64GB - ext4nj - Vim3 - Internal - k5.9 4072 4088 10073 9890 9034 3291 Sandisk Ultra A1 64GB - ext4cb1 - Vim3 - Internal - k5.9 4007 4088 10038 10072 9086 3190 Sandisk Ultra A1 64GB - ext4cb1 - Vim3 - Internal - k5.9 3888 4088 10071 9955 9250 3334 Sandisk Ultra A1 64GB - ext4cb1 - Vim3 - Internal - k5.9 3992 4102 9986 10050 9010 3255 Sandisk Ultra A1 64GB - ext4cb1 - Vim3 - Internal - k5.9 4071 4268 10201 10204 9503 3495 Sandisk Ultra A1 64GB - f2fs - Vim3 - Internal - k5.9 4102 4169 10198 10207 9446 3367 Sandisk Ultra A1 64GB - f2fs - Vim3 - Internal - k5.9 4058 4242 10204 10201 9471 3453 Sandisk Ultra A1 64GB - f2fs - Vim3 - Internal - k5.9 4153 4064 10209 10210 9508 3316 Sandisk Ultra A1 64GB - f2fs - Vim3 - Internal - k5.9 3448 2485 9932 9930 9928 3362 Sandisk Ultra A1 128GB - exfatl - Vim3 - Internal - k5.9 2424 3938 9944 9948 9945 3422 Sandisk Ultra A1 128GB - exfatl - Vim3 - Internal - k5.9 2583 2757 9945 9950 9947 3360 Sandisk Ultra A1 128GB - exfatl - Vim3 - Internal - k5.9 2651 3577 9959 9958 9956 3398 Sandisk Ultra A1 128GB - exfatl - Vim3 - Internal - k5.9 3782 3872 9830 9817 9206 2824 Sandisk Ultra A1 128GB - ext4 - Vim3 - Internal - k5.9 2336 2952 9825 9710 9693 3325 Sandisk Ultra A1 128GB - ext4 - Vim3 - Internal - k5.9 2319 3540 9826 9809 9576 3310 Sandisk Ultra A1 128GB - ext4 - Vim3 - Internal - k5.9 2542 3775 9690 9826 9828 3195 Sandisk Ultra A1 128GB - ext4 - Vim3 - Internal - k5.9 3885 3803 9806 9666 9301 2933 Sandisk Ultra A1 128GB - ext4nj - Vim3 - Internal - k5.9 3266 3992 9839 9730 9833 3186 Sandisk Ultra A1 128GB - ext4nj - Vim3 - Internal - k5.9 3362 3853 9843 9820 9725 3282 Sandisk Ultra A1 128GB - ext4nj - Vim3 - Internal - k5.9 3235 3957 9840 9729 9833 3305 Sandisk Ultra A1 128GB - ext4nj - Vim3 - Internal - k5.9 3991 3924 9815 9702 9175 2817 Sandisk Ultra A1 128GB - ext4cb1 - Vim3 - Internal - k5.9 3067 3792 9697 9815 9245 2996 Sandisk Ultra A1 128GB - ext4cb1 - Vim3 - Internal - k5.9 3058 3967 9661 9816 9486 3245 Sandisk Ultra A1 128GB - ext4cb1 - Vim3 - Internal - k5.9 2914 3977 9851 9736 9832 3290 Sandisk Ultra A1 128GB - ext4cb1 - Vim3 - Internal - k5.9 3976 3662 9941 9909 9933 3312 Sandisk Ultra A1 128GB - f2fs - Vim3 - Internal - k5.9 4012 3551 9961 9963 9924 3329 Sandisk Ultra A1 128GB - f2fs - Vim3 - Internal - k5.9 3600 4067 9981 9972 9978 3361 Sandisk Ultra A1 128GB - f2fs - Vim3 - Internal - k5.9 3686 3816 9885 9885 9881 3335 Sandisk Ultra A1 128GB - f2fs - Vim3 - Internal - k5.9 3029 3852 9907 9884 9885 3634 Samsung Evo+ 128GB Class 10 - exfatl - Vim3 - Internal - k5.9 3491 4384 7825 7809 7798 3830 Samsung Evo+ 128GB Class 10 - exfatl - Vim3 - Internal - k5.9 3727 4254 7876 7878 7871 2399 Samsung Evo+ 128GB Class 10 - exfatl - Vim3 - Internal - k5.9 3560 4388 8187 8174 8183 3650 Samsung Evo+ 128GB Class 10 - exfatl - Vim3 - Internal - k5.9 2806 2885 7494 7362 7896 3042 Samsung Evo+ 128GB Class 10 - ext4 - Vim3 - Internal - k5.9 3078 3735 7801 7956 7459 3239 Samsung Evo+ 128GB Class 10 - ext4 - Vim3 - Internal - k5.9 2377 2940 7179 8314 6678 2008 Samsung Evo+ 128GB Class 10 - ext4 - Vim3 - Internal - k5.9 3152 3127 7482 7217 8476 3209 Samsung Evo+ 128GB Class 10 - ext4 - Vim3 - Internal - k5.9 3863 3139 9408 9216 8527 3415 Samsung Evo+ 128GB Class 10 - ext4nj - Vim3 - Internal - k5.9 4049 4195 7421 7263 7024 3731 Samsung Evo+ 128GB Class 10 - ext4nj - Vim3 - Internal - k5.9 3578 4166 7654 7362 7742 2464 Samsung Evo+ 128GB Class 10 - ext4nj - Vim3 - Internal - k5.9 3655 3743 8623 9662 9629 3538 Samsung Evo+ 128GB Class 10 - ext4nj - Vim3 - Internal - k5.9 4156 3743 7699 7507 6743 3502 Samsung Evo+ 128GB Class 10 - ext4cb1 - Vim3 - Internal - k5.9 3573 3796 7664 7344 7235 3701 Samsung Evo+ 128GB Class 10 - ext4cb1 - Vim3 - Internal - k5.9 4077 4204 8289 8069 7362 2357 Samsung Evo+ 128GB Class 10 - ext4cb1 - Vim3 - Internal - k5.9 3621 4315 8067 7856 7540 3556 Samsung Evo+ 128GB Class 10 - ext4cb1 - Vim3 - Internal - k5.9 3628 3650 9736 9728 9723 3602 Samsung Evo+ 128GB Class 10 - f2fs - Vim3 - Internal - k5.9 4125 4365 7979 7973 7966 3652 Samsung Evo+ 128GB Class 10 - f2fs - Vim3 - Internal - k5.9 4171 4374 7958 7963 7960 3729 Samsung Evo+ 128GB Class 10 - f2fs - Vim3 - Internal - k5.9 4257 4386 8186 8216 8214 3830 Samsung Evo+ 128GB Class 10 - f2fs - Vim3 - Internal - k5.9 2827 2726 11882 11881 9116 2851 Transcend 300s A1 128GB - exfatl - Vim3 - Internal - k5.9 2862 2894 11886 11892 9268 2840 Transcend 300s A1 128GB - exfatl - Vim3 - Internal - k5.9 2840 2790 11913 11922 9180 2871 Transcend 300s A1 128GB - exfatl - Vim3 - Internal - k5.9 2858 2895 11867 11863 9283 2719 Transcend 300s A1 128GB - exfatl - Vim3 - Internal - k5.9 2836 2880 11586 11457 8784 2843 Transcend 300s A1 128GB - ext4 - Vim3 - Internal - k5.9 2840 2882 11608 11651 8989 2855 Transcend 300s A1 128GB - ext4 - Vim3 - Internal - k5.9 2822 2886 11841 11614 8991 2863 Transcend 300s A1 128GB - ext4 - Vim3 - Internal - k5.9 2853 2874 11611 11627 9073 2862 Transcend 300s A1 128GB - ext4 - Vim3 - Internal - k5.9 2862 2845 11433 11323 8699 2856 Transcend 300s A1 128GB - ext4nj - Vim3 - Internal - k5.9 2838 2849 11008 11285 8851 2846 Transcend 300s A1 128GB - ext4nj - Vim3 - Internal - k5.9 2866 2856 11338 11131 8513 2871 Transcend 300s A1 128GB - ext4nj - Vim3 - Internal - k5.9 2863 2860 11517 11419 8649 2863 Transcend 300s A1 128GB - ext4nj - Vim3 - Internal - k5.9 2488 2498 9795 9947 7352 2445 Transcend 300s A1 128GB - ext4cb1 - Vim3 - Internal - k5.9 2482 2516 9790 9933 7761 2488 Transcend 300s A1 128GB - ext4cb1 - Vim3 - Internal - k5.9 2486 2504 10050 9689 7700 2485 Transcend 300s A1 128GB - ext4cb1 - Vim3 - Internal - k5.9 2459 2485 10085 9641 7475 2467 Transcend 300s A1 128GB - ext4cb1 - Vim3 - Internal - k5.9 3628 3650 9736 9728 9723 3602 Transcend 300s A1 128GB - f2fs - Vim3 - Internal - k5.9 4125 4365 7979 7973 7966 3652 Transcend 300s A1 128GB - f2fs - Vim3 - Internal - k5.9 4171 4374 7958 7963 7960 3729 Transcend 300s A1 128GB - f2fs - Vim3 - Internal - k5.9 4171 4374 7958 7963 7960 3729 Transcend 300s A1 128GB - f2fs - Vim3 - Internal - k5.9 2468 2585 11863 11871 9314 2581 Transcend 300s A1 256GB - exfatl - Vim3 - Internal - k5.9 2614 2667 11871 11530 8992 2821 Transcend 300s A1 256GB - exfatl - Vim3 - Internal - k5.9 2822 2881 11162 11163 8897 2809 Transcend 300s A1 256GB - exfatl - Vim3 - Internal - k5.9 2904 2851 11903 11908 9237 2660 Transcend 300s A1 256GB - exfatl - Vim3 - Internal - k5.9 2865 2849 11913 11685 8959 2772 Transcend 300s A1 256GB - ext4 - Vim3 - Internal - k5.9 2861 2821 11041 11107 8914 2819 Transcend 300s A1 256GB - ext4 - Vim3 - Internal - k5.9 2887 2761 11666 11869 9137 2596 Transcend 300s A1 256GB - ext4 - Vim3 - Internal - k5.9 2813 2798 11586 11517 8770 2903 Transcend 300s A1 256GB - ext4 - Vim3 - Internal - k5.9 3156 2748 11074 11166 9006 2849 Transcend 300s A1 256GB - ext4nj - Vim3 - Internal - k5.9 2856 2754 11897 11080 8699 2864 Transcend 300s A1 256GB - ext4nj - Vim3 - Internal - k5.9 2608 2745 11908 11046 8696 2861 Transcend 300s A1 256GB - ext4nj - Vim3 - Internal - k5.9 2840 2765 11302 11133 8681 2866 Transcend 300s A1 256GB - ext4nj - Vim3 - Internal - k5.9 3147 2749 11465 11262 8642 2816 Transcend 300s A1 256GB - ext4cb1 - Vim3 - Internal - k5.9 2839 2784 11753 11651 8810 2767 Transcend 300s A1 256GB - ext4cb1 - Vim3 - Internal - k5.9 2856 2797 11168 11068 8905 2750 Transcend 300s A1 256GB - ext4cb1 - Vim3 - Internal - k5.9 2853 2102 11239 11128 8551 2736 Transcend 300s A1 256GB - ext4cb1 - Vim3 - Internal - k5.9 2783 2799 11822 11822 9212 2924 Transcend 300s A1 256GB - f2fs - Vim3 - Internal - k5.9 2443 2867 11875 11877 9256 2930 Transcend 300s A1 256GB - f2fs - Vim3 - Internal - k5.9 3200 2993 11893 11889 9141 2928 Transcend 300s A1 256GB - f2fs - Vim3 - Internal - k5.9 3208 3130 11843 11854 9283 2840 Transcend 300s A1 256GB - f2fs - Vim3 - Internal - k5.9 2891 2903 11857 11858 9364 2851 AData Premier Pro A2 V30 256GB - exfatl - Vim3 - Internal - k5.9 2837 3005 11911 11916 9271 2993 AData Premier Pro A2 V30 256GB - exfatl - Vim3 - Internal - k5.9 2924 2998 11930 11928 9177 2916 AData Premier Pro A2 V30 256GB - exfatl - Vim3 - Internal - k5.9 3058 2972 11894 11907 9301 2850 AData Premier Pro A2 V30 256GB - exfatl - Vim3 - Internal - k5.9 2507 2482 9772 9960 7427 2466 AData Premier Pro A2 V30 256GB - ext4 - Vim3 - Internal - k5.9 2439 2465 10134 10623 7927 2445 AData Premier Pro A2 V30 256GB - ext4 - Vim3 - Internal - k5.9 2468 2464 9803 9678 7505 2495 AData Premier Pro A2 V30 256GB - ext4 - Vim3 - Internal - k5.9 2905 2829 11740 11734 9198 2927 AData Premier Pro A2 V30 256GB - ext4 - Vim3 - Internal - k5.9 2910 2696 10498 10328 7953 2696 AData Premier Pro A2 V30 256GB - ext4nj - Vim3 - Internal - k5.9 2702 2693 10476 10481 8098 2718 AData Premier Pro A2 V30 256GB - ext4nj - Vim3 - Internal - k5.9 2685 2680 10552 10569 7949 2693 AData Premier Pro A2 V30 256GB - ext4nj - Vim3 - Internal - k5.9 2683 2702 10231 10513 7926 2699 AData Premier Pro A2 V30 256GB - ext4nj - Vim3 - Internal - k5.9 2934 2695 10344 10498 7992 2696 AData Premier Pro A2 V30 256GB - ext4cb1 - Vim3 - Internal - k5.9 2655 2677 10794 10879 8372 2673 AData Premier Pro A2 V30 256GB - ext4cb1 - Vim3 - Internal - k5.9 2593 1847 10363 10287 6049 834 AData Premier Pro A2 V30 256GB - ext4cb1 - Vim3 - Internal - k5.9 2671 2678 10849 10346 8091 2694 AData Premier Pro A2 V30 256GB - ext4cb1 - Vim3 - Internal - k5.9 2830 2848 11864 11862 9333 2986 AData Premier Pro A2 V30 256GB - f2fs - Vim3 - Internal - k5.9 2901 2930 11906 11910 9240 2988 AData Premier Pro A2 V30 256GB - f2fs - Vim3 - Internal - k5.9 3273 3051 11918 11924 9158 2989 AData Premier Pro A2 V30 256GB - f2fs - Vim3 - Internal - k5.9 3254 3197 11873 11881 9288 2895 AData Premier Pro A2 V30 256GB - f2fs - Vim3 - Internal - k5.9 2944 2802 11896 11300 8948 2800 AData High Endur A2 V30 256GB - exfatl - Vim3 - Internal - k5.9 3059 2863 11597 11616 9026 2871 AData High Endur A2 V30 256GB - exfatl - Vim3 - Internal - k5.9 2893 2844 11893 11891 9336 2945 AData High Endur A2 V30 256GB - exfatl - Vim3 - Internal - k5.9 2841 2946 11862 11872 9347 2909 AData High Endur A2 V30 256GB - exfatl - Vim3 - Internal - k5.9 2631 2640 11374 10939 8253 2655 AData High Endur A2 V30 256GB - ext4 - Vim3 - Internal - k5.9 2617 2642 11302 11367 8472 2628 AData High Endur A2 V30 256GB - ext4 - Vim3 - Internal - k5.9 2614 2673 10920 11193 8704 2633 AData High Endur A2 V30 256GB - ext4 - Vim3 - Internal - k5.9 2642 2668 10624 10858 8197 2651 AData High Endur A2 V30 256GB - ext4 - Vim3 - Internal - k5.9 3164 2942 11936 11193 8733 2894 AData High Endur A2 V30 256GB - ext4nj - Vim3 - Internal - k5.9 2810 2920 11697 11946 8855 2889 AData High Endur A2 V30 256GB - ext4nj - Vim3 - Internal - k5.9 2835 2898 11919 11285 8717 2897 AData High Endur A2 V30 256GB - ext4nj - Vim3 - Internal - k5.9 2881 2901 11697 11947 8856 2882 AData High Endur A2 V30 256GB - ext4nj - Vim3 - Internal - k5.9 3170 3028 11947 11430 8837 2921 AData High Endur A2 V30 256GB - ext4cb1 - Vim3 - Internal - k5.9 2926 2917 11701 11935 8989 2862 AData High Endur A2 V30 256GB - ext4cb1 - Vim3 - Internal - k5.9 2905 2921 11941 11497 9000 2826 AData High Endur A2 V30 256GB - ext4cb1 - Vim3 - Internal - k5.9 2902 2912 11727 11945 8884 2782 AData High Endur A2 V30 256GB - ext4cb1 - Vim3 - Internal - k5.9 2804 2846 11886 11847 9273 2907 AData High Endur A2 V30 256GB - f2fs - Vim3 - Internal - k5.9 2901 2871 11904 11912 9180 2943 AData High Endur A2 V30 256GB - f2fs - Vim3 - Internal - k5.9 3206 2970 11847 11865 9285 2938 AData High Endur A2 V30 256GB - f2fs - Vim3 - Internal - k5.9 3217 3099 11884 11905 9220 2891 AData High Endur A2 V30 256GB - f2fs - Vim3 - Internal - k5.9 3592 3655 10725 10727 8834 3369 Kingston Canvas Select+ A1 256GB - exfatl - Vim3 - Internal - k5.9 3627 3652 11111 11133 9063 3373 Kingston Canvas Select+ A1 256GB - exfatl - Vim3 - Internal - k5.9 3613 3652 10873 10873 8901 3368 Kingston Canvas Select+ A1 256GB - exfatl - Vim3 - Internal - k5.9 3826 3649 11071 11100 9054 3373 Kingston Canvas Select+ A1 256GB - exfatl - Vim3 - Internal - k5.9 3812 3601 10643 10623 8574 3307 Kingston Canvas Select+ A1 256GB - ext4 - Vim3 - Internal - k5.9 3822 3601 10961 10946 8820 3321 Kingston Canvas Select+ A1 256GB - ext4 - Vim3 - Internal - k5.9 3824 3598 10784 10775 8590 3320 Kingston Canvas Select+ A1 256GB - ext4 - Vim3 - Internal - k5.9 3789 3605 10923 10920 8891 3324 Kingston Canvas Select+ A1 256GB - ext4 - Vim3 - Internal - k5.9 3819 3604 10883 10866 8723 3315 Kingston Canvas Select+ A1 256GB - ext4nj - Vim3 - Internal - k5.9 3834 3606 10741 10729 8663 3325 Kingston Canvas Select+ A1 256GB - ext4nj - Vim3 - Internal - k5.9 3841 3607 10882 10862 8926 3310 Kingston Canvas Select+ A1 256GB - ext4nj - Vim3 - Internal - k5.9 3839 3607 10711 10722 8700 3327 Kingston Canvas Select+ A1 256GB - ext4nj - Vim3 - Internal - k5.9 3843 3601 10620 10470 8525 3313 Kingston Canvas Select+ A1 256GB - ext4cb1 - Vim3 - Internal - k5.9 3842 3593 10930 10912 8804 3316 Kingston Canvas Select+ A1 256GB - ext4cb1 - Vim3 - Internal - k5.9 3824 3606 10779 10759 8579 3311 Kingston Canvas Select+ A1 256GB - ext4cb1 - Vim3 - Internal - k5.9 3840 3594 11088 11048 8865 3311 Kingston Canvas Select+ A1 256GB - ext4cb1 - Vim3 - Internal - k5.9 3907 3649 11111 11127 9070 3362 Kingston Canvas Select+ A1 256GB - f2fs - Vim3 - Internal - k5.9 3905 3647 10878 10880 8915 3363 Kingston Canvas Select+ A1 256GB - f2fs - Vim3 - Internal - k5.9 3893 3645 11086 11099 9070 3367 Kingston Canvas Select+ A1 256GB - f2fs - Vim3 - Internal - k5.9 3903 3644 10807 10848 8906 3363 Kingston Canvas Select+ A1 256GB - f2fs - Vim3 - Internal - k5.9 2111 2076 5508 5503 4296 2079 Emtec Speedin Pro A1 256GB - exfatl - Vim3 - Internal - k5.9 1989 1978 5455 5456 4372 2245 Emtec Speedin Pro A1 256GB - exfatl - Vim3 - Internal - k5.9 1968 1972 5457 5465 4364 2210 Emtec Speedin Pro A1 256GB - exfatl - Vim3 - Internal - k5.9 1928 2062 5491 5494 4339 2201 Emtec Speedin Pro A1 256GB - exfatl - Vim3 - Internal - k5.9 1888 1890 5436 5450 4236 1999 Emtec Speedin Pro A1 256GB - ext4 - Vim3 - Internal - k5.9 1863 1851 5318 5321 4400 1917 Emtec Speedin Pro A1 256GB - ext4 - Vim3 - Internal - k5.9 1797 1815 5408 5411 4245 2005 Emtec Speedin Pro A1 256GB - ext4 - Vim3 - Internal - k5.9 1790 1897 5367 5425 4232 1961 Emtec Speedin Pro A1 256GB - ext4 - Vim3 - Internal - k5.9 1783 1891 5377 5439 4315 1909 Emtec Speedin Pro A1 256GB - ext4nj - Vim3 - Internal - k5.9 1829 1835 5445 5393 4245 1842 Emtec Speedin Pro A1 256GB - ext4nj - Vim3 - Internal - k5.9 1704 1728 5393 5337 4168 2112 Emtec Speedin Pro A1 256GB - ext4nj - Vim3 - Internal - k5.9 1871 1743 5416 5352 4360 1940 Emtec Speedin Pro A1 256GB - ext4nj - Vim3 - Internal - k5.9 1777 1791 5429 5375 4246 1766 Emtec Speedin Pro A1 256GB - ext4cb1 - Vim3 - Internal - k5.9 1601 1793 5433 5446 4382 1790 Emtec Speedin Pro A1 256GB - ext4cb1 - Vim3 - Internal - k5.9 1697 1797 5443 5393 4333 1791 Emtec Speedin Pro A1 256GB - ext4cb1 - Vim3 - Internal - k5.9 1692 1680 5396 5391 4308 1927 Emtec Speedin Pro A1 256GB - ext4cb1 - Vim3 - Internal - k5.9 1796 1731 5461 5456 4372 1863 Emtec Speedin Pro A1 256GB - f2fs - Vim3 - Internal - k5.9 1775 1721 5488 5492 4384 1929 Emtec Speedin Pro A1 256GB - f2fs - Vim3 - Internal - k5.9 1757 1875 5499 5501 4311 1856 Emtec Speedin Pro A1 256GB - f2fs - Vim3 - Internal - k5.9 1767 1887 5498 5510 4394 1886 Emtec Speedin Pro A1 256GB - f2fs - Vim3 - Internal - k5.9 Notes: Intensio 16GB on both devices had errors like the following | (mmc_erase: erase error -110, status 0x0 mmc1: Problem switching card into high-speed mode!) | (blk_update_request: I/O error, dev mmcblk1, sector 40960 op 0x3:(DISCARD) flags 0x4800 phys_seg 1 prio class 0) | (mmc_erase: group start error -123, status 0x0) | (blk_update_request: I/O error, dev mmcblk1, sector 1933312 op 0x3:(DISCARD) flags 0x4800 phys_seg 1 prio class 0) -------------------------------------------------- droid4 + maemo leste (devuan) Write Rewrite Read Reread Randread Randwrite ------------------------------------------------------------------------------------------------------------------------------- 1972 2078 7127 7315 6476 613 Droid4 internal emmc mmcblk1p25 - ext4nj - k5.8 2112 2202 7486 7477 6494 571 Droid4 internal emmc mmcblk1p25 - ext4nj - k5.8 2291 2342 7484 7479 6481 520 Droid4 internal emmc mmcblk1p25 - ext4nj - k5.8 2126 2365 7696 7635 6103 2351 Transcend 300a A1 128GB - ext4 - Droid4 - Internal - k5.8 2081 2447 7372 7425 6112 2355 Transcend 300a A1 128GB - ext4 - Droid4 - Internal - k5.8 2225 2416 7659 7689 6084 2344 Transcend 300a A1 128GB - ext4 - Droid4 - Internal - k5.8 2231 2458 7357 7353 6191 2386 Transcend 300a A1 256GB - ext4 - Droid4 - Internal - k5.8 2103 2540 7322 7335 6207 2409 Transcend 300a A1 256GB - ext4 - Droid4 - Internal - k5.8 2236 2459 7315 7320 6204 2437 Transcend 300a A1 256GB - ext4 - Droid4 - Internal - k5.8 2331 2538 7917 7760 6414 2420 Transcend 300a A1 256GB - ext4nj - Droid4 - Internal - k5.8 2236 2517 7732 7842 6354 2428 Transcend 300a A1 256GB - ext4nj - Droid4 - Internal - k5.8 2165 2354 8290 8251 6472 2580 Transcend 300a A1 256GB - ext4nj - Droid4 - Internal - k5.8 2465 2742 4426 4434 4035 2107 Sandisk Ultra A1 32GB - ext4 - Droid4 - otg Transcend USB3 -k5.8 2098 2862 4492 4475 4099 2241 Sandisk Ultra A1 32GB - ext4 - Droid4 - otg Transcend USB3 -k5.8 2025 2806 4408 4410 4050 2156 Sandisk Ultra A1 32GB - ext4 - Droid4 - otg Transcend USB3 -k5.8 1567 1570 2983 2985 2431 1531 Transcend 300s A1 256GB - ext4 - Droid4 - otg Transcend USB3 - k5.8 2715 2697 5547 5523 5082 2946 Transcend 300s A1 256GB - ext4 - Droid4 - otg Transcend USB3 - k5.8 2593 2793 5563 5609 5130 2874 Transcend 300s A1 256GB - ext4 - Droid4 - otg Transcend USB3 - k5.8 2600 3002 5343 5442 5037 2890 Transcend 300s A1 256GB - ext4nj - Droid4 - otg Transcend USB3 - k5.8 852 869 760 762 759 869 Transcend 300s A1 256GB - ext4nj - Droid4 - otg Transcend USB3 - k5.8 849 870 769 770 741 868 Transcend 300s A1 256GB - ext4nj - Droid4 - otg Transcend USB3 - k5.8 851 871 769 752 757 866 Transcend 300s A1 256GB - ext4nj - Droid4 - otg Transcend USB3 - k5.8 849 871 771 755 754 867 Transcend 300s A1 256GB - ext4nj - Droid4 - otg Transcend USB3 - k5.8 814 866 768 768 759 863 Transcend 300s A1 156GB - ext4 - Droid4 - otg Transcend USB3 - k5.8 816 865 767 768 759 864 Transcend 300s A1 156GB - ext4 - Droid4 - otg Transcend USB3 - k5.8 829 859 767 768 750 863 Transcend 300s A1 156GB - ext4 - Droid4 - otg Transcend USB3 - k5.8 2702 2992 5562 5630 5142 2998 Transcend 300s A1 156GB - ext4nj - Droid4 - otg Transcend USB3 - k5.8 2789 3034 5678 5621 5159 2977 Transcend 300s A1 156GB - ext4nj - Droid4 - otg Transcend USB3 - k5.8 2798 3055 5600 5554 5094 3009 Transcend 300s A1 156GB - ext4nj - Droid4 - otg Transcend USB3 - k5.8 2496 2842 5065 4700 4394 2865 AData High Endur A2 V30 256GB - ext4 - Droid4 - otg Transcend USB3 - k5.8 2577 2848 4710 4833 4435 2728 AData High Endur A2 V30 256GB - ext4 - Droid4 - otg Transcend USB3 - k5.8 2569 2752 4975 5025 4259 2862 AData High Endur A2 V30 256GB - ext4 - Droid4 - otg Transcend USB3 - k5.8 2814 3032 5202 5274 4809 3018 AData High Endur A2 V30 256GB - ext4nj - Droid4 - otg Transcend USB3 - k5.8 2835 3050 5060 5202 4809 3011 AData High Endur A2 V30 256GB - ext4nj - Droid4 - otg Transcend USB3 - k5.8 2843 3032 5208 5017 4643 3028 AData High Endur A2 V30 256GB - ext4nj - Droid4 - otg Transcend USB3 - k5.8 2645 2983 5164 5064 4500 2980 AData Premier Pro A2 V30 256GB - ext4 - Droid4 - otg Transcend USB3 - k5.8 2564 2948 5046 4949 4290 2923 AData Premier Pro A2 V30 256GB - ext4 - Droid4 - otg Transcend USB3 - k5.8 2582 2944 5013 4942 4310 2945 AData Premier Pro A2 V30 256GB - ext4 - Droid4 - otg Transcend USB3 - k5.8 2693 2805 4945 4941 4232 2897 AData Premier Pro A2 V30 256GB - ext4nj - Droid4 - otg Transcend USB3 - k5.8 3078 3255 5654 5608 5183 3251 AData Premier Pro A2 V30 256GB - ext4nj - Droid4 - otg Transcend USB3 - k5.8 3178 3215 5545 5578 5140 3205 AData Premier Pro A2 V30 256GB - ext4nj - Droid4 - otg Transcend USB3 - k5.8 1732 1620 3708 3690 3165 1627 Emtec Speedin Pro A1 256GB - ext4 - Droid4 - otg Transcend USB3 - k5.8 1552 1534 3726 3739 3142 1667 Emtec Speedin Pro A1 256GB - ext4 - Droid4 - otg Transcend USB3 - k5.8 1449 1604 3758 3760 3209 1538 Emtec Speedin Pro A1 256GB - ext4 - Droid4 - otg Transcend USB3 - k5.8 1468 1612 3614 3623 3070 1568 Emtec Speedin Pro A1 256GB - ext4nj - Droid4 - otg Transcend USB3 - k5.8 1392 1521 3626 3638 3096 1731 Emtec Speedin Pro A1 256GB - ext4nj - Droid4 - otg Transcend USB3 - k5.8 1612 1735 3604 3633 3050 1609 Emtec Speedin Pro A1 256GB - ext4nj - Droid4 - otg Transcend USB3 - k5.8 2262 2453 4502 4405 3917 2287 Kingston Canvas Select+ A1 256GB - ext4 - Droid4 - otg Transcend USB3 - k5.8 2261 2456 4438 4365 3892 2303 Kingston Canvas Select+ A1 256GB - ext4 - Droid4 - otg Transcend USB3 - k5.8 2270 2456 4458 4434 3887 2284 Kingston Canvas Select+ A1 256GB - ext4 - Droid4 - otg Transcend USB3 - k5.8 2222 2429 4356 4351 3848 2592 Kingston Canvas Select+ A1 256GB - ext4 - Droid4 - otg Transcend USB3 - k5.8 2542 2785 5093 5124 4586 2602 Kingston Canvas Select+ A1 256GB - ext4 - Droid4 - otg Transcend USB3 - k5.8 2545 2799 5134 5066 4584 2598 Kingston Canvas Select+ A1 256GB - ext4 - Droid4 - otg Transcend USB3 - k5.8 2315 2432 4233 4329 3782 2263 Kingston Canvas Select+ A1 256GB - ext4nj - Droid4 - otg Transcend USB3 - k5.8 2291 2430 4437 4394 3870 2275 Kingston Canvas Select+ A1 256GB - ext4nj - Droid4 - otg Transcend USB3 - k5.8 2294 2424 4439 4358 3794 2260 Kingston Canvas Select+ A1 256GB - ext4nj - Droid4 - otg Transcend USB3 - k5.8 Notes: otg plus microSD Adapter seems to gone into slow or low-power mode for about an hour (sub-1000mB/s results) -------------------------------------------------- ext4 filesystem options tests / comparision ext4 = V2.36 mkfs.ext4 with no options ext4nj = V2.36 mkfs.ext4 -O ^has_journal ext4cb1 sourced from https://blogofterje.wordpress.com/2012/01/14/optimizing-fs-on-sd-card/ ext4cb1 = V2.36 mkfs.ext4 -O ^has_journal -E stride=2,stripe-width=1024 -b 4096 ext4cb2 = V2.36 mkfs.ext4 -O ^has_journal -E stride=2,stripe-width=1024 -b 2048 ext4cb3 = V2.36 mkfs.ext4 -O ^has_journal -E stride=2,stripe-width=2048 -b 4096 ext4cb4 = V2.36 mkfs.ext4 -O ^has_journal -E stride=2,stripe-width=2048 -b 2048 ext4cb5 = V2.36 mkfs.ext4 -O ^has_journal -E stride=1,stripe-width=1024 -b 4096 ext4cb6 = V2.36 mkfs.ext4 -O ^has_journal -E stride=1,stripe-width=1024 -b 2048 ext4cb7 = V2.36 mkfs.ext4 -O ^has_journal -E stride=1,stripe-width=2048 -b 4096 ext4cb8 = V2.36 mkfs.ext4 -O ^has_journal -E stride=1,stripe-width=2048 -b 2048 Write Rewrite Read Reread Randread Randwrite ------------------------------------------------------------------------------------------------------------------------------- 2371 2533 5507 5695 4685 2518 AData High Endur A2 V30 256GB - ext4 - Kingston USB3 - k4.9 2799 2906 6434 6440 5777 2916 AData High Endur A2 V30 256GB - ext4 - Kingston USB3 - k4.9 2724 2942 6334 6168 5749 2841 AData High Endur A2 V30 256GB - ext4 - Kingston USB3 - k4.9 2749 2891 6412 6430 5495 2798 AData High Endur A2 V30 256GB - ext4nj - Kingston USB3 - k4.9+ 2733 2858 6212 6404 5782 2814 AData High Endur A2 V30 256GB - ext4nj - Kingston USB3 - k4.9+ 2774 2907 6347 6296 5404 2842 AData High Endur A2 V30 256GB - ext4nj - Kingston USB3 - k4.9+ 2607 2762 5906 6080 4976 2683 AData High Endur A2 V30 256GB - ext4cb1 - Kingston USB3 - k4.9+ 2607 2762 5906 6080 4976 2683 AData High Endur A2 V30 256GB - ext4cb1 - Kingston USB3 - k4.9+ 2575 2717 6174 5642 5128 2717 AData High Endur A2 V30 256GB - ext4cb1 - Kingston USB3 - k4.9+ 2630 2731 5739 5958 5007 3050 AData High Endur A2 V30 256GB - ext4cb1 - Kingston USB3 - k4.9+ 2974 3050 6782 6780 6020 3032 AData High Endur A2 V30 256GB - ext4cb1 - Kingston USB3 - k4.9+ 2832 3019 6712 6713 6053 3105 AData High Endur A2 V30 256GB - ext4cb1 - Kingston USB3 - k4.9+ 2592 2736 5676 5795 4914 2547 AData High Endur A2 V30 256GB - ext4cb2 - Kingston USB3 - k4.9+ 2613 2727 5667 5908 4777 2586 AData High Endur A2 V30 256GB - ext4cb2 - Kingston USB3 - k4.9+ 2595 2643 5634 5933 4786 2714 AData High Endur A2 V30 256GB - ext4cb2 - Kingston USB3 - k4.9+ 2733 2854 6425 6230 5470 2853 AData High Endur A2 V30 256GB - ext4cb3 - Kingston USB3 - k4.9+ 2698 2828 6323 6339 5717 2786 AData High Endur A2 V30 256GB - ext4cb3 - Kingston USB3 - k4.9+ 2714 2888 6006 6105 5603 2871 AData High Endur A2 V30 256GB - ext4cb3 - Kingston USB3 - k4.9+ 2605 2732 5707 5531 4347 2241 AData High Endur A2 V30 256GB - ext4cb4 - Kingston USB3 - k4.9+ 2581 2664 5546 5605 4036 2329 AData High Endur A2 V30 256GB - ext4cb4 - Kingston USB3 - k4.9+ 2892 2996 6483 6362 5906 3060 AData High Endur A2 V30 256GB - ext4cb4 - Kingston USB3 - k4.9+ 2864 2989 6640 6664 5965 3084 AData High Endur A2 V30 256GB - ext4cb4 - Kingston USB3 - k4.9+ 2891 3115 6616 6584 6016 3030 AData High Endur A2 V30 256GB - ext4cb4 - Kingston USB3 - k4.9+ 2911 3052 6657 6691 5949 2976 AData High Endur A2 V30 256GB - ext4cb4 - Kingston USB3 - k4.9+ 2501 2627 5609 5704 4800 2605 AData High Endur A2 V30 256GB - ext4cb5 - Kingston USB3 - k4.9+ 2505 2644 5571 5858 4866 2598 AData High Endur A2 V30 256GB - ext4cb5 - Kingston USB3 - k4.9+ 2917 2989 6693 6724 5983 3024 AData High Endur A2 V30 256GB - ext4cb5 - Kingston USB3 - k4.9+ 2529 2668 5790 5545 4109 2285 AData High Endur A2 V30 256GB - ext4cb6 - Kingston USB3 - k4.9+ 2548 2622 5555 5844 4086 2211 AData High Endur A2 V30 256GB - ext4cb6 - Kingston USB3 - k4.9+ 2884 3039 6685 6525 5951 3018 AData High Endur A2 V30 256GB - ext4cb6 - Kingston USB3 - k4.9+ 2822 2923 6473 6524 5834 2945 AData High Endur A2 V30 256GB - ext4cb7 - Kingston USB3 - k4.9+ 2870 2979 6356 6389 5938 2919 AData High Endur A2 V30 256GB - ext4cb7 - Kingston USB3 - k4.9+ 2770 2931 6480 6578 5896 2941 AData High Endur A2 V30 256GB - ext4cb7 - Kingston USB3 - k4.9+ 2553 2657 5917 5456 4308 2235 AData High Endur A2 V30 256GB - ext4cb8 - Kingston USB3 - k4.9+ 2581 2654 5979 5507 4208 2263 AData High Endur A2 V30 256GB - ext4cb8 - Kingston USB3 - k4.9+ 2906 3129 6706 6745 5993 3006 AData High Endur A2 V30 256GB - ext4cb8 - Kingston USB3 - k4.9+ -------------------------------------------------- Results submitted by online chatters: Write Rewrite Read Reread Randread Randwrite ------------------------------------------------------------------------------------------------------------------------------- 3293 3365 10316 9785 7902 3332 Teamgroup 128GB A1 V30 - ext4 - RockPi 3399 internal - k5.8 (by [TheBug])