CANVIO HD-TPA4U3-B (MQ04UBB400) USB2.0接続

CANVIO HD-TPA4U3-B (MQ04UBB400) – Yuma Shimakawa Blog はUSB3接続だったので同一ドライブをUSB2.0接続した場合の数字。ほぼほごUSB2.0の最大転送速度480Mbpsでている。USB3接続にすると4~5倍になるので、当然ながら、USB3接続がオススメ。


CrystalDiskMark 8.0.4 x64 (C) 2007-2021 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]
SEQ 1MiB (Q= 8, T= 1): 37.433 MB/s [ 35.7 IOPS] <218192.73 us>
SEQ 1MiB (Q= 1, T= 1): 39.530 MB/s [ 37.7 IOPS] < 26405.77 us>
RND 4KiB (Q= 32, T= 1): 1.328 MB/s [ 324.2 IOPS] < 97500.87 us>
RND 4KiB (Q= 1, T= 1): 1.127 MB/s [ 275.1 IOPS] < 3625.89 us>

[Write]
SEQ 1MiB (Q= 8, T= 1): 31.194 MB/s [ 29.7 IOPS] <261047.20 us>
SEQ 1MiB (Q= 1, T= 1): 33.287 MB/s [ 31.7 IOPS] < 31395.90 us>
RND 4KiB (Q= 32, T= 1): 0.256 MB/s [ 62.5 IOPS] <484991.74 us>
RND 4KiB (Q= 1, T= 1): 0.205 MB/s [ 50.0 IOPS] < 17927.92 us>

Profile: Default
Test: 64 MiB (x2) [E: 4% (162/3726GiB)]
Mode: [Admin]
Time: Measure 5 sec / Interval 5 sec
Date: 2023/02/24 9:17:05
OS: Windows 10 Professional 10.0 Build 19045