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CrystalDiskMark 8.0.4 x64 (C) 2007-2021 hiyohiyo
                                  Crystal Dew World: https://crystalmark.info/
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* MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
* KB = 1000 bytes, KiB = 1024 bytes

[Read]
  SEQ    1MiB (Q=  8, T= 1):    97.882 MB/s [     93.3 IOPS] < 84680.58 us>
  SEQ    1MiB (Q=  1, T= 1):    97.926 MB/s [     93.4 IOPS] < 10694.93 us>
  RND    4KiB (Q= 32, T= 1):     6.957 MB/s [   1698.5 IOPS] < 18790.40 us>
  RND    4KiB (Q=  1, T= 1):     6.792 MB/s [   1658.2 IOPS] <   602.52 us>

[Write]
  SEQ    1MiB (Q=  8, T= 1):    87.475 MB/s [     83.4 IOPS] < 94677.99 us>
  SEQ    1MiB (Q=  1, T= 1):    88.029 MB/s [     84.0 IOPS] < 11883.88 us>
  RND    4KiB (Q= 32, T= 1):     2.217 MB/s [    541.3 IOPS] < 58679.37 us>
  RND    4KiB (Q=  1, T= 1):     2.191 MB/s [    534.9 IOPS] <  1867.84 us>

Profile: Default
   Test: 4 GiB (x3) [F: 0% (0/238GiB)]
   Mode: [Admin]
   Time: Measure 5 sec / Interval 5 sec 
   Date: 2023/02/15 20:55:42
     OS: Windows 10  [10.0 Build 19044] (x64)

===
U3 A2 V30
Card Reader: Sony MRW-S1 w/ Adapter