某大大貼的HITACH 7K60 Datasheet
http://www.hitachigst.com/hdd/support/7k60/7k60.htm
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Power
Requirement +5VDC(±5%)
Dissipation (typical)
Startup (max. peak) 5.5 W
Seek (average) 2.6 W
Read (average) 2.5 W
Write (average) 2.5 W
Performance idle (average) 2.0 W
Active idle (average) 1.3 W
Low power idle (average) 0.85 W
Standby (average) 0.25 W
Sleep 0.1 W
Power consumption efficiency (watts/GB) 0.014
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