what strength power supply should i use for these computer parts?

im building a computer, and im wondering what strength power supply the parts im buying require, with room for, say, a new video card and a fan or two. also, if the power supply is compatible with the motherboard.

(if you can’t find the info for all this or something, please at least tell me where to find the power ratings for this stuff!)

Motherboard: Intel DG41RQ Socket 775 Motherboard (G41 Express, ICH7 , mATX, PCI Express, HD Audio, Video, Gigabit lan , USB 2.0, SATA)

HD: Seagate ST3250318AS Barracuda 7200.12 Hard Drive – 250GB, 7200, 8MB, SATA-300

Processor: Intel Core 2 Quad Q9400 Processor BX80580Q9400 – 2.66GHz, 6MB Cache, 1333MHz FSB, Yorkfield, Quad-Core, Retail, Socket 775, Processor with Fan

RAM: (TWO OF THESE) Centon 2048MB PC6400 DDR2 800MHz Memory

Optical Drive: LG GH22NS50AUAU DVD Writer – DVD+R 22x, DVD+RW 8X, DVD-RW 6x, DVD-RAM 12x, SATA, Software (OEM)

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3 Responses to “what strength power supply should i use for these computer parts?”

  • Nick:

    If you go with a GTX295, you’ll need about 700watts. However, if you’re a normal person and decide to go with a GTX275 or less (or HD4890 or less) then about 600watts should do it. Use this calculator to determine what you’ll need with your setup (add about 10% to the totals to be safe):
    http://educations.newegg.com/tool/psucalc/index.html

    Hope this helps, good luck!

  • John Doe:

    500 to 600w

  • blamay22000:

    Not knowing what you want to use for the video card is the key here. Of all the parts listed none come close to the current draw of a hi-end video card. Never scrimp on a power supply. It will only draw what the hardware needs. If it were me, I’d opt for 750 watts on a new build at least. A bigger power supply will not labor as hard and it will last along time.

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