usb3.0メモリ速度
asus P8Z68-V Pro
シリコンパワー 32Gb USB3.0
100MB、1000MBで比較すると100MBが良い数値
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CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo
Crystal Dew World : https://crystalmark.info/
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* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]
Sequential Read : 44.494 MB/s
Sequential Write : 22.059 MB/s
Random Read 512KB : 42.632 MB/s
Random Write 512KB : 3.365 MB/s
Random Read 4KB (QD=1) : 7.364 MB/s [ 1797.8 IOPS]
Random Write 4KB (QD=1) : 0.145 MB/s [ 35.5 IOPS]
Random Read 4KB (QD=32) : 7.721 MB/s [ 1885.1 IOPS]
Random Write 4KB (QD=32) : 0.146 MB/s [ 35.6 IOPS]
Test : 100 MB [G: 0.3% (0.1/28.9 GB)] (x2)
Date : 2013/07/28 6:10:41
OS : Windows 7 SP1 [6.1 Build 7601] (x64)
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CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo
Crystal Dew World : https://crystalmark.info/
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* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]
Sequential Read : 44.526 MB/s
Sequential Write : 24.724 MB/s
Random Read 512KB : 42.432 MB/s
Random Write 512KB : 1.884 MB/s
Random Read 4KB (QD=1) : 5.494 MB/s [ 1341.2 IOPS]
Random Write 4KB (QD=1) : 0.079 MB/s [ 19.3 IOPS]
Random Read 4KB (QD=32) : 4.651 MB/s [ 1135.5 IOPS]
Random Write 4KB (QD=32) : 0.020 MB/s [ 5.0 IOPS]
Test : 1000 MB [G: 0.3% (0.1/28.9 GB)] (x2)
Date : 2013/07/28 6:10:47
OS : Windows 7 SP1 [6.1 Build 7601] (x64)
n400c 内蔵HDDとusb2.0ポートにusb3.0対応メモリ
内蔵HDD
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CrystalDiskMark 3.0.2 (C) 2007-2013 hiyohiyo
Crystal Dew World : https://crystalmark.info/
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* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]
Sequential Read : 17.397 MB/s
Sequential Write : 16.491 MB/s
Random Read 512KB : 14.564 MB/s
Random Write 512KB : 13.640 MB/s
Random Read 4KB (QD=1) : 0.376 MB/s [ 91.9 IOPS]
Random Write 4KB (QD=1) : 0.582 MB/s [ 142.0 IOPS]
Random Read 4KB (QD=32) : 0.468 MB/s [ 114.3 IOPS]
Random Write 4KB (QD=32) : 0.591 MB/s [ 144.2 IOPS]
Test : 1000 MB [F: 35.4% (6.9/19.5 GB)] (x2)
Date : 2013/07/28 6:13:05
OS : Windows XP Professional SP3 [5.1 Build 2600] (x86)
USB3.0
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CrystalDiskMark 3.0.2 (C) 2007-2013 hiyohiyo
Crystal Dew World : https://crystalmark.info/
———————————————————————–
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]
Sequential Read : 11.257 MB/s
Sequential Write : 10.732 MB/s
Random Read 512KB : 11.187 MB/s
Random Write 512KB : 0.986 MB/s
Random Read 4KB (QD=1) : 2.352 MB/s [ 574.1 IOPS]
Random Write 4KB (QD=1) : 0.036 MB/s [ 8.7 IOPS]
Random Read 4KB (QD=32) : 2.809 MB/s [ 685.9 IOPS]
Random Write 4KB (QD=32) : 0.023 MB/s [ 5.6 IOPS]
Test : 1000 MB [C: 0.3% (0.1/28.9 GB)] (x2)
Date : 2013/07/28 6:35:48
OS : Windows XP Professional SP3 [5.1 Build 2600] (x86)