power supply needed

Amd Phenom ii x6 1055t hexa core process...
August 4, 2010 at 16:04:27
Specs: windows 7
I plan to get an Asus M4A88T-M Motherboard and AMD HDT55TFBRBOX Phenom II 1055T Six Core Processor. With that, I might add a geforce card. it will have 1gb hd and a dvd writer drive, with an asus 242h lcd screen. how do i figure out what power supply i need? it will all be assembled in an Ultra ULT40278 XT MicroATX Tower.

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August 4, 2010 at 16:24:25
"I might add a geforce card."

Depending on which geforce chipset it has, that may determine the minimum capacity the PS must have. Any PS that capacity or more will do you fine.

Your power supply must have at least the minimum capacity required to support a system with the graphics card you are using installed, or the max graphics card you might install in the future.
(Onboard video - video built into the mboard - IS NOT A CARD ! )
If that info is not in the ad for the video card, you can go to the video card maker's web site and look up the specs for the model - often under system requirements - the minimum PS wattage, and, more important, the minimum amperage the PS must supply at 12v is stated. If you don't find that, any card with the same video chipset including any letters after the model number has very similar minimum PS requirements. Some power supplies have two or more +12v ratings - in that case, add those ratings to determine the total +12v current capacity.

If you're a gamer...
In most if not all cases, the max capacity rating of the PS is an intermittent rating. It's recommended that you do not load your PS to any more that 80% of that rating if you are going to be using something that puts a constant load on it, such as playing a recent game for hours on end. In that case, you multiply the min capacity stated for the system with the particular video chipset on the card by 1.25 to find the min. capacity of the PS you should get.

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