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Fallstand's avatar

I know nothing about PC power supply's...

Asked by Fallstand (1125 points ) November 10th, 2007

I’m rebuilding a small form factor PC.. The old power supply which is fried was 220 watts and fairly small.. It powered a P4 proccessor, DVD writer, HDD, and ATI Radeon 9600 XT video card.. I know nothing about power and electricity and which power supply is okay for what.. I heard a PicoPSU may do the trick? or could I just buy any 220 – 250 watt power supply?

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1 Answer

tekn0lust's avatar

That wattage should be just fine. You really only need to go higher when there are multiple hard drives(or other components/fans/etc.) drawing power. You will want to consider the interface to the motherboard there are a few different kinds. Just snap a pic of the power supply interface on the motherboard and take it whereever you intend to buy your powersupply.

Or you could look up the specs of your current motherboard and take them in as well.

Also be sure that the new PS has enough auxiliary power feeds for all the devices you intend to power. Like hard disks floppys and optical devices.

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