J2C USB 3.0 16GB MLC隨身碟，露天 299元含運費。
“降級”在《USB2.0》環境下測試，一開始買來就是 NTSF 格式，全新內無任何檔案下測試，
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CrystalDiskMark 3.0.2 (C) 2007-2012 hiyohiyo
Crystal Dew World :
http://crystalmark.info/
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* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]
Sequential Read : 30.711 MB/s
Sequential Write : 15.805 MB/s
Random Read 512KB : 29.715 MB/s
Random Write 512KB : 0.986 MB/s
Random Read 4KB (QD=1) : 3.199 MB/s [ 781.1 IOPS]
Random Write 4KB (QD=1) : 0.008 MB/s [ ...