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Question Very slow Samsung 970 EVO 500GB NVMe speeds

Aug 24, 2019
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Here is the score I got.

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CrystalDiskMark 6.0.2 x64 (C) 2007-2018
Crystal Dew World : https://crystalmark.info/
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  • MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
  • KB = 1000 bytes, KiB = 1024 bytes
Sequential Read (Q= 32,T= 1) : 3574.120 MB/s
Sequential Write (Q= 32,T= 1) : 2503.777 MB/s
Random Read 4KiB (Q= 8,T= 8) : 1025.258 MB/s [ 250307.1 IOPS]
Random Write 4KiB (Q= 8,T= 8) : 1939.146 MB/s [ 473424.3 IOPS]
Random Read 4KiB (Q= 32,T= 1) : 478.158 MB/s [ 116737.8 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 373.348 MB/s [ 91149.4 IOPS]
Random Read 4KiB (Q= 1,T= 1) : 44.841 MB/s [ 10947.5 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 125.770 MB/s [ 30705.6 IOPS]

Test : 1024 MiB [C: 8.7% (40.4/465.1 GiB)] (x5) [Interval=5 sec]
Date : 2019/10/26 16:28:21
OS : Windows 10 Professional [10.0 Build 18362] (x64)

4 bottom scores is as you can see extremely low. Why is that and can I fix it?
Use z390 Aorus Master motherboard with the Nvme in the middle spot.

Best regards Rengal.
 

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