HGST 7K4000 5K1000(2.5") 發表
 

Deskstar 7K4000

SPECIFICATIONS
Model(s) HDS724040ALE640
Interface SATA 6Gb/s
Capacity (GB) 4TB
Sector size (variable, Bytes/sector) 512e
Max areal density (Gbits/sq. in.) 446
Performance
Data buffer (MB) 64
Rotational Speed (RPM) 7200
Media transfer rate (Mbits/sec, max) 1638
Interface transfer rate (MB/sec, max) 600
Reliability
Error Rate (non-recoverable, bits read) 1 in 1014
Load/Unload Cycles 600,000
Availability (hrs/day x days/wk) 24x7
Acoustics
Idle (Bels) 2.9 (typical)
Power
Requirement +5 VDC (+/-5%) +12 VDC (+10%/-8%)
Requirement: Start-up (W, peak, max) 1.2 (+5V) & 1.5 (+12V) (amps)
Performance Idle 6.9W
Physical size
Z-height (mm) 26.1
Dimensions (width x depth, mm) 101.6 x 147
Weight (g, max) 690
Environmental (operating)
Ambient temperature 5o to 60o C
Relative Humidity 8% to 90% (non-condensing)
Shock (half-sine wave) 70 (G 2ms)
Vibration 0.67 (XYZ)(G RMS 5 to 500 Hz)
Environmental (non-operating)
Ambient temperature -40o to 70o C
Relative Humidity 5% to 95% (non-condensing)
Shock (half-sine wave) 300 (1ms)
Vibration 1.04 (XYZ)(G RMS 2 to 200 Hz)

link



Travelstar 5K1000

size 1TB / 750 / 640
SATA 6Gbps
Z-height (mm) 9.5mm

link

聽說死雞在預備5G的, 三個月內會出現...

Deskstar 7K4000 聽說是5碟片(單碟800G) ,
不是已經有單碟1T 的硬碟開賣了嗎? 怎麼不用4碟 !

Hitachi 好像很喜歡五碟的設計... :jolin:

3.5"硬碟還是以三碟設計比較穩定...

其實也不一定

2001出場 2011收工的硬碟 36GB 10Krpm

企業級硬碟的QC標準不太一樣吧...

恩...網頁也改了 左上角mark

http://www.hgst.com/internal-drives...deskstar-7k4000

不過企業儲存系統的HDS道還是HITACHI

http://www.hds.com/

所以這招牌還會繼續留著來打高價路線嗎??

兩家不是公司不是財務獨立嗎？