新鲜出炉的测试报告:
入手了 SanDisk Extreme 256G。 测试结果有些失望,尤其是 IOPS。 根本达不到 A2 的标准。 不知道 Lexar 的卡 A2 性能有没有须标
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CrystalDiskMark 7.0.0 x64 (UWP) (C) 2007-2019 hiyohiyo
Crystal Dew World:
https://crystalmark.info/------------------------------------------------------------------------------
* MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
* KB = 1000 bytes, KiB = 1024 bytes
[Read]
Sequential 1MiB (Q= 8, T= 1): 93.527 MB/s [ 89.2 IOPS] < 88757.56 us>
Sequential 1MiB (Q= 1, T= 1): 90.801 MB/s [ 86.6 IOPS] < 11538.85 us>
Random 4KiB (Q= 32, T=16): 9.982 MB/s [ 2437.0 IOPS] <112441.41 us>
Random 4KiB (Q= 1, T= 1): 9.066 MB/s [ 2213.4 IOPS] < 451.46 us>
[Write]
Sequential 1MiB (Q= 8, T= 1): 85.150 MB/s [ 81.2 IOPS] < 97429.14 us>
Sequential 1MiB (Q= 1, T= 1): 82.218 MB/s [ 78.4 IOPS] < 12729.00 us>
Random 4KiB (Q= 32, T=16): 3.575 MB/s [ 872.8 IOPS] <195733.32 us>
Random 4KiB (Q= 1, T= 1): 3.564 MB/s [ 870.1 IOPS] < 1148.08 us>
Profile: Default
Test: 1 GiB (x4) [Interval: 5 sec] <DefaultAffinity=DISABLED>
Date: 2020/02/15 17:38:16
OS: Windows 10 Professional [10.0 Build 18363] (x64)