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CrystalDiskMark 6.0.1 x64 (C) 2007-2018 hiyohiyo
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) : 548.628 MB/s
Sequential Write (Q= 32,T= 1) : 453.215 MB/s
Random Read 4KiB (Q= 8,T= : 216.886 MB/s [ 52950.7 IOPS]
Random Write 4KiB (Q= 8,T= : 201.609 MB/s [ 49220.9 IOPS]
Random Read 4KiB (Q= 32,T= 1) : 135.999 MB/s [ 33202.9 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 126.755 MB/s [ 30946.0 IOPS]
Random Read 4KiB (Q= 1,T= 1) : 20.608 MB/s [ 5031.3 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 73.562 MB/s [ 17959.5 IOPS]
Test : 500 MiB [D: 0.2% (0.1/96.8 GiB)] (x3) [Interval=5 sec]
Date : 2018/07/20 16:11:33
OS : Windows 10 [10.0 Build 17134] (x64)
Вот, там где сейчас 20 было 40 на LTSB и на пустом только что купленном диске после установки ОС