新しいUSBメモリを購入したので、CrystalDiskMark で、速度計測。
USBフラッシュメモリ|GH-UFD*DXシリーズ GH-UFD16GDX
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CrystalDiskMark 3.0.1 (C) 2007-2010 hiyohiyo
Crystal Dew World : http://crystalmark.info/
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* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]
Sequential Read : 33.172 MB/s
Sequential Write : 16.531 MB/s
Random Read 512KB : 33.122 MB/s
Random Write 512KB : 8.326 MB/s
Random Read 4KB (QD=1) : 4.796 MB/s [ 1170.8 IOPS]
Random Write 4KB (QD=1) : 0.724 MB/s [ 176.9 IOPS]
Random Read 4KB (QD=32) : 6.053 MB/s [ 1477.9 IOPS]
Random Write 4KB (QD=32) : 0.750 MB/s [ 183.2 IOPS]
Test : 100 MB [F: 0.0% (0.0/14.9 GB)] (x5)
Date : 2011/02/10 16:19:17
OS : Windows XP Professional SP3 [5.1 Build 2600] (x86)
USBフラッシュメモリ|GH-UFD*DXシリーズ GH-UFD16GDX
-----------------------------------------------------------------------
CrystalDiskMark 3.0.1 (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 : 33.172 MB/s
Sequential Write : 16.531 MB/s
Random Read 512KB : 33.122 MB/s
Random Write 512KB : 8.326 MB/s
Random Read 4KB (QD=1) : 4.796 MB/s [ 1170.8 IOPS]
Random Write 4KB (QD=1) : 0.724 MB/s [ 176.9 IOPS]
Random Read 4KB (QD=32) : 6.053 MB/s [ 1477.9 IOPS]
Random Write 4KB (QD=32) : 0.750 MB/s [ 183.2 IOPS]
Test : 100 MB [F: 0.0% (0.0/14.9 GB)] (x5)
Date : 2011/02/10 16:19:17
OS : Windows XP Professional SP3 [5.1 Build 2600] (x86)