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Power Supply wattage


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#1
maaaark

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Hello

Can I use a power supply over wattage, ie replace a 250 W psu originally supplied with a 480W. Can I assume that the motherboard will only take the power it "needs"?

Mark
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#2
austin_o

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Hi and welcome to Geeks to Go! Yes, you can change the power supply. It will need to be of the same form factor to fit your case (you probably have ATx) , and make sure it has the same motherboard connections (usually 20 pin and 4 pin). Here is a good source of information on power supplies: http://www.hardforum...isplay.php?f=93
See the sticky posts at the top of the forum.

Edited by austin_o, 25 November 2006 - 11:56 AM.

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#3
Neil Jones

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It is better to have a power supply that can supply more wattage than you need than a power supply that cannot supply enough wattage. Better too much than not enough.

Computer components only draw as much power as they need, so if you shove a 480w in it and ultimately the system only uses about 250w maximum under normal load, then it will only take 250w out of the 480w it has available.
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#4
maaaark

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OK, I was just a little concerned that a 480 W might blow the motherboard
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