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CrystalDiskMark 4.0.3 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) :    72.968 MB/s   
  Sequential Write (Q= 32,T= 1) :    71.641 MB/s    
  Random Read 4KiB (Q= 32,T= 1) :     1.232 MB/s [   300.8 IOPS]    
 Random Write 4KiB (Q= 32,T= 1) :     1.358 MB/s [   331.5 IOPS]    
         Sequential Read (T= 1) :    19.922 MB/s    
        Sequential Write (T= 1) :    13.212 MB/s    
   Random Read 4KiB (Q= 1,T= 1) :     0.967 MB/s [   236.1 IOPS]    
  Random Write 4KiB (Q= 1,T= 1) :     1.336 MB/s [   326.2 IOPS]
  Test : 50 MiB [Z: 0.0% (0.0/5120.0 GiB)] (x1)   
  Date : 2015/05/15 2:51:30    
    OS : Windows Server 2012 R2 Datacenter (Full installation) [6.3 Build 9600] (x64)    
  
A2のときとほとんど変わらない。。。ということは、A2で飽和しているのかも。。。