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About 7-13 watts, depending on if its idle or reading/writing. On startup, they can suck up to 30 watts.
Side note: too many hard drives on a weak power supply is usually a reason for a PC to reset itself now and then.
Wiki User
∙ 15y ago
Wiki User
∙ 13y agoTakes about 30 watts on startup and about fifteen watts to keep it spinning. About 20 watts to access data. This is in a 200 gb seagate hard drive hooked up to a killawatt meter
According to specs for most harddrives, it is in the single digits for idle, and 25-30W on startup
Wiki User
∙ 12y agoa big one but i am not sure so dont ask me.
Wiki User
∙ 11y ago17v
Wiki User
∙ 13y ago15
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How many volts need a hard drive?
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Amps, volts and watts are interrelated, but you need to do a little math. Amps * Volts = Watts
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26watts
How many watts does a small car need?
Ignition 30 watts, fans 30 watts, driving lights 30 watts, headlights 100 watts. Total about 200 watts.
