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CrystalDiskMark 3.0.2 Shizuku x64 Edition (C) 2007-2012 hiyohiyo
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* MB / s = 1,000,000 byte / s [SATA / 300 = 300 000 000 byte / s]
Sequential Read: 82 112 MB / s
Sequential Write: 5828 MB / s
Test: 1000 MB (x5)
Date: 2013/08/22 3:33:30 p.m.
OS: Windows 8 Professional [6.2 Build 9200] (x64)
In summary: USB 3.0 as good writing than USB 2.0 with 5.8 MB / s
Stay away if you want a USB 3.0 key worthy of the name