FAT32 で 2TB まで　WR NEC USB FAT

https://www.iodata.jp/lib/product/i/2107_win7.htm

QTS を通常使用しないことにして
週に数回の定期で WR→QTSへ退避　としたい

LAN内のみ有効とか　大きな問題かね？
 
https://www.iodata.jp/pdf/win10_smb1.pdf

-----------------------------------------------------------------------
CrystalDiskMark 3.0.1 (C) 2007-2010 hiyohiyo
                           Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]
 
           Sequential Read :     9.109 MB/s
          Sequential Write :    11.256 MB/s
         Random Read 512KB :     7.622 MB/s
        Random Write 512KB :    10.612 MB/s
    Random Read 4KB (QD=1) :     0.380 MB/s [    92.8 IOPS]
   Random Write 4KB (QD=1) :     0.993 MB/s [   242.4 IOPS]
   Random Read 4KB (QD=32) :     0.396 MB/s [    96.7 IOPS]
  Random Write 4KB (QD=32) :     1.068 MB/s [   260.7 IOPS]
 
  Test : 1000 MB [W: 0.0% (0.0/931.3 GB)] (x5)
  Date : 2018/10/25 19:18:10
    OS : Windows 7  SP1 [6.1 Build 7601] (x64)
  

http://www.aterm.jp/function/guide13/list-data/common/main/8700/m01_m12.html

QTS
-----------------------------------------------------------------------
CrystalDiskMark 3.0.1 (C) 2007-2010 hiyohiyo
                           Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]
 
           Sequential Read :     8.840 MB/s
          Sequential Write :     5.479 MB/s
         Random Read 512KB :     7.691 MB/s
        Random Write 512KB :     8.175 MB/s
    Random Read 4KB (QD=1) :     0.395 MB/s [    96.4 IOPS]
   Random Write 4KB (QD=1) :     1.514 MB/s [   369.6 IOPS]
   Random Read 4KB (QD=32) :     0.396 MB/s [    96.6 IOPS]
  Random Write 4KB (QD=32) :     1.572 MB/s [   383.7 IOPS]
 
  Test : 1000 MB [P: 76.0% (742.1/976.6 GB)] (x5)
  Date : 2018/10/26 2:23:46
    OS : Windows 7  SP1 [6.1 Build 7601] (x64)