force serie 3 poor performance 120gb

Hi, i have a force serie 3 120gb and i have really poor performance...



it is configured to AHCI and trim is enabled... it is on a windows 8 pro x64 setup



here is the result of my benchmark:



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CrystalDiskMark 3.0.3 x64 (C) 2007-2013 hiyohiyo

Crystal Dew World : http://ift.tt/V12mfA

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* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]



Sequential Read : 201.610 MB/s

Sequential Write : 112.786 MB/s

Random Read 512KB : 188.398 MB/s

Random Write 512KB : 102.767 MB/s

Random Read 4KB (QD=1) : 17.530 MB/s [ 4279.8 IOPS]

Random Write 4KB (QD=1) : 71.980 MB/s [ 17573.3 IOPS]

Random Read 4KB (QD=32) : 89.941 MB/s [ 21958.3 IOPS]

Random Write 4KB (QD=32) : 104.177 MB/s [ 25433.9 IOPS]



Test : 1000 MB [C: 74.2% (82.4/111.0 GB)] (x5)

Date : 2014/05/30 10:18:32

OS : Windows 8.1 Pro [6.3 Build 9600] (x64)