Tested some more USB flash drives. Running from my Lenovo work laptop, USB 2.0 only:
Random 8G USB from a vendor
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----------------------------------------------------------------------- CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo Crystal Dew World : http://crystalmark.info/ ----------------------------------------------------------------------- * MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s] Sequential Read : 18.216 MB/s Sequential Write : 4.232 MB/s Random Read 512KB : 18.144 MB/s Random Write 512KB : 1.226 MB/s Random Read 4KB (QD=1) : 5.264 MB/s [ 1285.0 IOPS] Random Write 4KB (QD=1) : 0.013 MB/s [ 3.2 IOPS] Random Read 4KB (QD=32) : 6.080 MB/s [ 1484.4 IOPS] Random Write 4KB (QD=32) : 0.013 MB/s [ 3.3 IOPS] Test : 1000 MB [E: 0.0% (0.0/7834.6 MB)] (x9) Date : 2011/01/28 17:02:33 OS : Windows 7 Ultimate Edition [6.1 Build 7600] (x64) |
Super Talent Express Duo 8GB (capable of USB 3.0, but running in USB 2.0)
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----------------------------------------------------------------------- CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo Crystal Dew World : <a href="http://crystalmark.info/">http://crystalmark.info/</a> ----------------------------------------------------------------------- * MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s] Sequential Read : 31.912 MB/s Sequential Write : 14.811 MB/s Random Read 512KB : 30.780 MB/s Random Write 512KB : 1.146 MB/s Random Read 4KB (QD=1) : 6.458 MB/s [ 1576.6 IOPS] Random Write 4KB (QD=1) : 0.006 MB/s [ 1.5 IOPS] Random Read 4KB (QD=32) : 5.931 MB/s [ 1448.0 IOPS] Random Write 4KB (QD=32) : 0.007 MB/s [ 1.6 IOPS] Test : 1000 MB [F: 0.9% (65.5/7500.0 MB)] (x9) Date : 2011/01/24 8:55:51 OS : Windows 7 Ultimate Edition [6.1 Build 7600] (x64) |
Super Talent Pico 16 GB
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----------------------------------------------------------------------- CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo Crystal Dew World : <a href="http://crystalmark.info/">http://crystalmark.info/</a> ----------------------------------------------------------------------- * MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s] Sequential Read : 27.214 MB/s Sequential Write : 7.079 MB/s Random Read 512KB : 27.897 MB/s Random Write 512KB : 1.420 MB/s Random Read 4KB (QD=1) : 6.475 MB/s [ 1580.8 IOPS] Random Write 4KB (QD=1) : 0.014 MB/s [ 3.3 IOPS] Random Read 4KB (QD=32) : 7.525 MB/s [ 1837.0 IOPS] Random Write 4KB (QD=32) : 0.014 MB/s [ 3.5 IOPS] Test : 1000 MB [E: 0.0% (0.0/14.9 GB)] (x9) Date : 2011/01/24 9:51:09 OS : Windows 7 Ultimate Edition [6.1 Build 7600] (x64) |
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