値段が手頃だったので2個購入うち1個紛失

クリヤーでかっこいい！便利なストラップホール付き

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CrystalDiskMark 5.0.2 Shizuku Edition x64 (C) 2007-2015 hiyohiyo
                           Crystal Dew World : http://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) :     9.018 MB/s
  Sequential Write (Q= 32,T= 1) :     2.123 MB/s
  Random Read 4KiB (Q= 32,T= 1) :     5.963 MB/s [  1455.8 IOPS]
 Random Write 4KiB (Q= 32,T= 1) :     0.025 MB/s [     6.1 IOPS]
         Sequential Read (T= 1) :     9.018 MB/s
        Sequential Write (T= 1) :     1.887 MB/s
   Random Read 4KiB (Q= 1,T= 1) :     5.650 MB/s [  1379.4 IOPS]
  Random Write 4KiB (Q= 1,T= 1) :     0.021 MB/s [     5.1 IOPS]

  Test : 50 MiB [G: 0.0% (0.0/963.5 MiB)] (x5)  [Interval=5 sec]
  Date : 2015/10/10 1:42:05
    OS : Windows 10 Professional [10.0 Build 10240] (x64)
 

今必要かと問われたら微妙ですな

あと遅い