Question slow PCIE ssd write speed

justajok3

Commendable
Dec 16, 2016
23
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1,510
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Adata XPG 8200 240 GB

Recently I used CrystalDiskMark to test my ssd speed but the result is not good
Sequential Read : 2.4GB/s
Sequential Write: 287.3 MB/s
This ssd is used as a C drive and 80% is used

Performance advertised
Sequential Read: 3.2GB/s
Sequential Write: 1.7GB/s
Anyone know why the writing speed is so slow?
 

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