・Silicon Powerはカバー両面が金属製、
・CFDは写真の通り表側が安っぽいプラスチック。
CDFの方が放熱が弱いため、寿命が短くなる可能性があるかも。ただ、実際の発熱具合を比較してないので、何ともいえません。
データRead/Writeの比較ですが、まとめると以下のようになりました。
- 50MB, 1GBのRead/Writeは殆ど同じ。
- 16GBのWrite時間はSilicon Powerの方がSequentialで3倍遅くなった。
詳細は以下になります。測定環境はOSがWin10以外はいつもと同じ(Corei7 3820/56GB)。
RW | Silicon Power S55 | CFD CSSD-S6O240 |
---|---|---|
50MB | ||
1GB | ||
16GB | ||
Info |
Silicon Powerの16GBで遅くなるのは、サイズが大きいために書き込みバッファで対応しきれない様子です。
以下Textの情報
[Silicon Power 1GB]
-----------------------------------------------------------------------
CrystalDiskMark 5.1.2 x64 (C) 2007-2016 hiyohiyo
Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* 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) : 535.134 MB/s
Sequential Write (Q= 32,T= 1) : 485.249 MB/s
Random Read 4KiB (Q= 32,T= 1) : 269.163 MB/s [ 65713.6 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 221.407 MB/s [ 54054.4 IOPS]
Sequential Read (T= 1) : 516.394 MB/s
Sequential Write (T= 1) : 479.198 MB/s
Random Read 4KiB (Q= 1,T= 1) : 25.903 MB/s [ 6324.0 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 62.788 MB/s [ 15329.1 IOPS]
Test : 1024 MiB [D: 0.2% (0.5/223.6 GiB)] (x3) [Interval=5 sec]
Date : 2016/06/25 10:34:34
OS : Windows 10 Professional [10.0 Build 10586] (x64)
Silicon Power S55 240GB, Rndm
-----------------------------------------------------------------------
CrystalDiskMark 5.1.2 x64 (C) 2007-2016 hiyohiyo
Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* 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) : 528.545 MB/s
Sequential Write (Q= 32,T= 1) : 95.813 MB/s
Random Read 4KiB (Q= 32,T= 1) : 264.747 MB/s [ 64635.5 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 94.626 MB/s [ 23102.1 IOPS]
Sequential Read (T= 1) : 517.809 MB/s
Sequential Write (T= 1) : 93.735 MB/s
Random Read 4KiB (Q= 1,T= 1) : 21.355 MB/s [ 5213.6 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 61.705 MB/s [ 15064.7 IOPS]
Test : 16384 MiB [D: 0.2% (0.5/223.6 GiB)] (x1) [Interval=5 sec]
Date : 2016/06/25 10:42:48
OS : Windows 10 Professional [10.0 Build 10586] (x64)
Silicon Power S55 240GB, Rndm
[CFD 1GB]
-----------------------------------------------------------------------
CrystalDiskMark 5.1.2 x64 (C) 2007-2016 hiyohiyo
Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* 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) : 533.503 MB/s
Sequential Write (Q= 32,T= 1) : 480.867 MB/s
Random Read 4KiB (Q= 32,T= 1) : 264.781 MB/s [ 64643.8 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 217.540 MB/s [ 53110.4 IOPS]
Sequential Read (T= 1) : 519.876 MB/s
Sequential Write (T= 1) : 455.579 MB/s
Random Read 4KiB (Q= 1,T= 1) : 21.855 MB/s [ 5335.7 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 74.076 MB/s [ 18085.0 IOPS]
Test : 1024 MiB [D: 0.2% (0.5/223.6 GiB)] (x3) [Interval=5 sec]
Date : 2016/06/25 10:06:37
OS : Windows 10 Professional [10.0 Build 10586] (x64)
CFD CSSD-S6O240NCG1Q 240GB Rndm
[CFD 16GB]
-----------------------------------------------------------------------
CrystalDiskMark 5.1.2 x64 (C) 2007-2016 hiyohiyo
Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* 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) : 533.604 MB/s
Sequential Write (Q= 32,T= 1) : 347.457 MB/s
Random Read 4KiB (Q= 32,T= 1) : 264.104 MB/s [ 64478.5 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 121.551 MB/s [ 29675.5 IOPS]
Sequential Read (T= 1) : 509.197 MB/s
Sequential Write (T= 1) : 417.499 MB/s
Random Read 4KiB (Q= 1,T= 1) : 21.059 MB/s [ 5141.4 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 77.376 MB/s [ 18890.6 IOPS]
Test : 16384 MiB [D: 0.2% (0.5/223.6 GiB)] (x1) [Interval=5 sec]
Date : 2016/06/25 10:14:22
OS : Windows 10 Professional [10.0 Build 10586] (x64)
CFD CSSD-S6O240NCG1Q 240GB Rndm