ベンチ取ってみたよ。
90%使用時でもこの位は出るぞ。
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CrystalDiskMark 3.0 (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 : 59.393 MB/s
Sequential Write : 55.583 MB/s
Random Read 512KB : 20.754 MB/s
Random Write 512KB : 62.819 MB/s
Random Read 4KB (QD=1) : 0.619 MB/s [ 151.1 IOPS]
Random Write 4KB (QD=1) : 2.495 MB/s [ 609.2 IOPS]
Random Read 4KB (QD=32) : 0.324 MB/s [ 79.1 IOPS]
Random Write 4KB (QD=32) : 2.387 MB/s [ 582.7 IOPS]
Test : 1000 MB [Z: 89.9% (405.6/451.4 GB)] (x2)
Date : 2010/12/18 17:42:06
OS : Windows XP Professional SP3 [5.1 Build 2600] (x86)