もくじ†
HGST(Hitachi/IBM) HDD型番規則†
- HDS722020ALA330 (2TB, 32MB buffer)の場合
- H = Hitachi
- D = Deskstar
- S = Series prefix
- 72 = 7200 RPM
- 20 = Full capacity—2TB
- 20 = Capacity this model, 20 = 2TB
- A = Generation code
- L = 26.1mm z-height
- A3 = Interface, SATA 3Gb/s
- 3 = 32MB buffer
- 0 = Reserved
WD(WesternDigital) HDD型番一覧†
WD(WesternDigital) WD**EARS†
- AFS (Advanced Format Structure) 採用
とりあえずベンチマークを張るページ†
2009-07-02 SHARP WS016SH (Willcom D4)†
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CrystalMark 2004R3 [0.9.126.452] (C) 2001-2008 hiyohiyo
Crystal Dew World [http://crystalmark.info/]
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------------------------------------------------------------------------------
CrystalMark Result
------------------------------------------------------------------------------
Display Mode : 1024 x 600 32bit (ClearType)
CrystalMark : 11162
[ ALU ] 2697
Fibonacci : 930
Napierian : 425
Eratosthenes : 540
QuickSort : 780
[ FPU ] 2014
MikoFPU : 180
RandMeanSS : 905
FFT : 538
Mandelbrot : 369
[ MEM ] 2737
Read : 924.02 MB/s ( 924)
Write : 802.27 MB/s ( 802)
Read/Write : 795.14 MB/s ( 795)
Cache : 1949.07 MB/s ( 194)
[ HDD ] 2470
Read : 16.05 MB/s ( 642)
Write : 14.25 MB/s ( 570)
RandomRead512K : 11.42 MB/s ( 456)
RandomWrite512K : 10.99 MB/s ( 439)
RandomRead 64K : 3.77 MB/s ( 150)
RandomWrite 64K : 5.33 MB/s ( 213)
[ GDI ] 921
Text : 301
Square : 84
Circle : 265
BitBlt : 271
[ D2D ] 161
Sprite 10 : 71.99 FPS ( 7)
Sprite 100 : 22.98 FPS ( 22)
Sprite 500 : 5.71 FPS ( 28)
Sprite 1000 : 2.94 FPS ( 29)
Sprite 5000 : 0.73 FPS ( 36)
Sprite 10000 : 0.39 FPS ( 39)
[ OGL ] 162
Scene 1 Score : 154
Lines (x1000) : ( 6555)
Scene 1 CPUs : ( 2)
Scene 2 Score : 8
Polygons(x1000) : ( 61)
Scene 2 CPUs : ( 1)
------------------------------------------------------------------------------
System Information
------------------------------------------------------------------------------
OS : Windows Vista Home Premium Service Pack 1 [6.0 Build 6001]
Display Mode : 1024 x 600 32bit 60Hz
Memory : 1014 MB
DirectX : 10.0
------------------------------------------------------------------------------
CPU
------------------------------------------------------------------------------
CPU Name : Intel Atom
Vendor String : GenuineIntel
Name String : Intel(R) Atom(TM) CPU Z520 @ 1.33GHz
CPU Type : Original OEM processor
Number(Logical) : 2
Family : 6
Model : C
Stepping : 2
Feature : MMX SSE SSE2 SSE3 SSSE3 XD VT
Clock : 1330.00 MHz
Data Rate : QDR
L1 I-Cache : 32 KB
------------------------------------------------------------------------------
Device
------------------------------------------------------------------------------
ChipSet : Intel Unknown
North : Intel Unknown
South : Intel Unknown
Video : Intel Unknown
IDE Controller : 標準デュアル チャネル PCI IDE コントローラ
------------------------------------------------------------------------------
HDD
------------------------------------------------------------------------------
Type Size Model ( Buffer Mode )
IDE 40.0GB TOSHIBA MK4009GAL
0.0GB SD Memory Card
2009-06-01 WD10EADS-M2B RAID ベンチマーク†
- Katae
- Turbolinux 11 Server (kernel 2.6.23-7)
- Intel Core2Duo E6300 (1.86GHz) + Foxconn P9657AA-8EKRS2H
- WesternDigital WD10EADS-00M2B0
- WesternDigital WD10EADS-00M2B0
- WesternDigital WD10EADS-00M2B0
- WD10EADS-M2B x 5 x RAID-5 = 4TB
- Intel Core2Duo E6420 (2.13GHz) + Foxconn P9657AA-8EKRS2H
2009-05-27 1TB HDD ベンチマーク†
- by member/すながわひろゆき
- Katae
- Turbolinux 11 Server (kernel 2.6.23-7)
- Intel Core2Duo E6300 (1.86GHz) + Foxconn P9657AA-8EKRS2H
- WesternDigital WD10EADS-00L5B1
- WesternDigital WD10EADS-00M2B0
- SEAGATE ST31000340NS
- 結論: あまり変わらないので、消費電力とか信頼性とか好みで選ぶべき
- Katae.JamFunk.jpでは WD10EADS-M2B 採用
- WDの考察
- WD L5B 300GB/プラッタ 3枚, M2B 500GB/プラッタ 2枚
- x 500/300 x 2/3 = x 10/9 (大差なし?)
- 今後温度や消費電力を計測する予定
2009-04-26 USBとかmicroSDとか†
- by member/すながわひろゆき
- CrystalDiskMark 2.1
- Asus P5K + Intel Core2Quad Q6600
- BUFFALO RUF-C/U2 (USB 8GB)
Sequential Read : 30.683 MB/s
Sequential Write : 7.294 MB/s
Random Read 512KB : 30.770 MB/s
Random Write 512KB : 1.618 MB/s
Random Read 4KB : 6.556 MB/s
Random Write 4KB : 0.017 MB/s
Test Size : 50 MB
Date : 2009/04/26 17:05:38
- pqiMRSDH6B-8G (microSDHC class6 8GB) + BUFFALO BSCRMSDC (microSDHC -> USB)
Sequential Read : 15.856 MB/s
Sequential Write : 9.260 MB/s
Random Read 512KB : 15.705 MB/s
Random Write 512KB : 2.090 MB/s
Random Read 4KB : 5.405 MB/s
Random Write 4KB : 0.028 MB/s
Test Size : 50 MB
Date : 2009/04/26 17:20:41
- PhotoFast SD-CO2G (microSD 2GB) + BUFFALO BSCRMSDC (microSDHC -> USB)
Sequential Read : 20.090 MB/s
Sequential Write : 11.516 MB/s
Random Read 512KB : 19.951 MB/s
Random Write 512KB : 1.987 MB/s
Random Read 4KB : 4.312 MB/s
Random Write 4KB : 0.018 MB/s
Test Size : 50 MB
Date : 2009/04/26 17:28:06
2009-02-02 HDD vs SSD on KOHJINSHA SH6WB04A†
2008-11-29 HDD, SSD, CF x2xRAID-0 on IBM ThinkCentre 8168-41I†
- by member/すながわひろゆき
- 環境
- CrystalDiskMark 2.2 (C) 2007-2008 hiyohiyo
- Windows XP x86 SP3
- IBM ThinkCentre 8168-41I
- Seagate ST3300831AS (SATA-150 300GB)
Sequential Read : 41.690 MB/s
Sequential Write : 39.225 MB/s
Random Read 512KB : 29.798 MB/s
Random Write 512KB : 27.262 MB/s
Random Read 4KB : 0.690 MB/s
Random Write 4KB : 0.829 MB/s
Test Size : 50 MB
Date : 2008/11/29 14:00:48
- 玄人志向 KRHK-2xCF2.5SATA + BUFFALO RCF-U8G x 2
Sequential Read : 73.510 MB/s
Sequential Write : 57.542 MB/s
Random Read 512KB : 73.916 MB/s
Random Write 512KB : 17.306 MB/s
Random Read 4KB : 14.448 MB/s
Random Write 4KB : 0.175 MB/s
Test Size : 50 MB
Date : 2008/11/29 14:05:39
- BUFFALO SHD-NSUM120G
Sequential Read : 151.821 MB/s
Sequential Write : 92.171 MB/s
Random Read 512KB : 144.307 MB/s
Random Write 512KB : 56.791 MB/s
Random Read 4KB : 15.570 MB/s
Random Write 4KB : 2.139 MB/s
Test Size : 50 MB
Date : 2008/11/29 14:08:55