I tested it with 3 cards, a 64GB SanDisk Ultra, a 64GB SanDisk Extreme A2, and a 16GB SanDisk Ultra card.
My 64GB SanDisk Ultra failed the random I/O. It is an old card that I have had around here for some time. This card is NOT marked as A1.
My 16GB SanDisk Ultra did pretty well:
But my old 64GB SanDisk Extreme A2 card really flew:
My 64GB SanDisk Ultra failed the random I/O. It is an old card that I have had around here for some time. This card is NOT marked as A1.
Code:
Run 1prepare-file;0;0;14787;28seq-write;0;0;17674;34rand-4k-write;0;0;602;150rand-4k-read;5071;1267;0;0Sequential write speed 17674 KB/sec (target 10000) - PASSRandom write speed 150 IOPS (target 500) - FAILRandom read speed 1267 IOPS (target 1500) - FAILRun 2prepare-file;0;0;16114;31seq-write;0;0;10549;20rand-4k-write;0;0;561;140rand-4k-read;4934;1233;0;0Sequential write speed 10549 KB/sec (target 10000) - PASSRandom write speed 140 IOPS (target 500) - FAILRandom read speed 1233 IOPS (target 1500) - FAILRun 3prepare-file;0;0;14928;29seq-write;0;0;17655;34rand-4k-write;0;0;638;159rand-4k-read;5080;1270;0;0Sequential write speed 17655 KB/sec (target 10000) - PASSRandom write speed 159 IOPS (target 500) - FAILRandom read speed 1270 IOPS (target 1500) - FAILCode:
Run 1prepare-file;0;0;67147;131seq-write;0;0;44612;87rand-4k-write;0;0;5379;1344rand-4k-read;10458;2614;0;0Sequential write speed 44612 KB/sec (target 10000) - PASSRandom write speed 1344 IOPS (target 500) - PASSRandom read speed 2614 IOPS (target 1500) - PASSCode:
Run 1prepare-file;0;0;45290;88seq-write;0;0;45637;89rand-4k-write;0;0;16161;4040rand-4k-read;26457;6614;0;0Sequential write speed 45637 KB/sec (target 10000) - PASSRandom write speed 4040 IOPS (target 500) - PASSRandom read speed 6614 IOPS (target 1500) - PASSStatistics: Posted by knute — Sat Mar 16, 2024 12:53 am