Does a Computers PSU draw maximum Wattage all the time?

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Does a Computers PSU draw maximum Wattage all the time?

Last week I upgraded my computer. The problem now is I need a new PSU you handle the power side. I am just wondering though whether a a computer PSU uses its full quota of watts all of the time or simply when it is needed. I don't mean when it is turned off obviously I am just wondering whether if I got a 500W PSU it would draw all that electricity all the time the machine was on. If this is the case I may have to give up with the upgrade due to my living in a student flat with an electricity meter.

2006-10-17 05:33:10 · 1 answers · asked by jonners99 1 in Computers & Internet ➔ Hardware ➔ Desktops

1 answers

No, it only draws what it needs at a given time.

2006-10-17 11:38:17 · answer #1 · answered by mysticman44 7 · 0⤊ 0⤋