What do these number mean?

Slufa111

Senior member
Oct 13, 2002
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CrystalDiskMark 3.0.1 x64 (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 : 256.031 MB/s
Sequential Write : 110.586 MB/s
Random Read 512KB : 161.399 MB/s
Random Write 512KB : 63.868 MB/s
Random Read 4KB (QD=1) : 11.161 MB/s [ 2724.9 IOPS]
Random Write 4KB (QD=1) : 5.448 MB/s [ 1330.1 IOPS]
Random Read 4KB (QD=32) : 11.828 MB/s [ 2887.6 IOPS]
Random Write 4KB (QD=32) : 6.065 MB/s [ 1480.8 IOPS]

Test : 1000 MB [C: 60.0% (35.8/59.6 GB)] (x5)
Date : 2011/08/20 17:01:30
OS : Windows 7 Ultimate Edition SP1 [6.1 Build 7601] (x64)


This is a Kingston 64gb SSD. Can these numbers get better?