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Thread: Help me decide on a PSU

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  1. #1

    Default Help me decide on a PSU

    Hey guys.

    I'm not sure what PSU to put into this system. The internet says a 650w is enough ... but is it really? And is a Coolermaster 650w Real Power enough?

    Specs:
    Intel Q9300 quad
    Asus P5N-T Deluxe
    Seagate 500GB SATA2
    LG GH22NS30 22x Sata
    2 x XFX 9800gt 512mb
    2 x OCZ Fatality 2x1GB DDR2 1066
    Antec Fusion Remote Max Black Case (Front panel display)
    Arctic Cooling Freezer 7 Pro

    Regards

    Itai
    Officially a Chartered Accountant ... Anyone with any business opportunities

  2. #2

    Default

    I don't know what your budget is, but I would suggest a look at the Corsair HX620W. It's a really solid power supply that has rock solid power delivery, modular power cables, and a nice and quiet fan in it. I have one in my rig and couldn't be happier.

    Google the name and read the results for yourself.

  3. #3

    Default

    There is a PSU calculator on the Nvidia site. All you have to do is enter all the specs and the calculator will work out your PSU wattage. Always remember that the wattage is when the system is at peak ie. all the hardware is performing at the same time. So about 80% of the max is more or less the PSU you should buy. Then buy yourself a good PSU like antec

    The above is only my suggestion and advice. Anyone correct me if I'm wrong
    Last edited by Jonaling; 06-12-2008 at 11:14 AM.

  4. #4

    Default

    What do you think of the Coolermaster 650W Real Power ... I have one of those new in stock.
    Officially a Chartered Accountant ... Anyone with any business opportunities

  5. #5

    Default

    Wattage is not the only thing you need to look at. Make sure that the PSU u buy has enough amps over 12+ rails to carry those gfx cards. If it can do it, it will have enough power to run the rest as well.

  6. #6

    Default

    Why are you going with 2 yesterdy cards ??
    i7 920, 5850, 3 gig DDR3 1600, EX58-UD5, Antec Quatro 850, 3D Aurora

  7. #7

    Default

    Quote Originally Posted by QX6700RULZ View Post
    Why are you going with 2 yesterdy cards ??
    Trying to stick to a budget. He needs 4 outputs. I already exceeded the budget by about 3k with this setup.

    What card you recommending?
    Officially a Chartered Accountant ... Anyone with any business opportunities

  8. #8
    Grandmaster
    Join Date
    May 2007
    Location
    St Francis Bay
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    Default

    What's the budget?

  9. #9

    Default

    Quote Originally Posted by carderne View Post
    What's the budget?
    It was about 15k, then went to about 18k with a Logitech DiNovo Edge and MX Air and now its going to about 21k with the need for a Nforce Motherboard (Previous quote P5Q-EM), A larger case (Previously Antec Fusion Remote Black) and another 9800GT.
    Officially a Chartered Accountant ... Anyone with any business opportunities

  10. #10
    Super Grandmaster Grimspoon's Avatar
    Join Date
    Nov 2006
    Location
    JHB North
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    8,196

    Default

    My Gut feeling says that 650 will be spot on.

  11. #11

    Default

    650W will be plenty

  12. #12

    Default

    What is he planning on using the pc for ?
    i7 920, 5850, 3 gig DDR3 1600, EX58-UD5, Antec Quatro 850, 3D Aurora

  13. #13

    Default

    Quote Originally Posted by QX6700RULZ View Post
    What is he planning on using the pc for ?
    Online poker ... no jokes ... so now u see, the 9800GT isn't such an issue
    Officially a Chartered Accountant ... Anyone with any business opportunities

  14. #14
    Grandmaster
    Join Date
    May 2008
    Location
    Hillcrest, Durban
    Posts
    3,188

    Default

    Quote Originally Posted by eitai2001 View Post
    Online poker ... no jokes ... so now u see, the 9800GT isn't such an issue
    Why does he need a 18K pc for online poker?

  15. #15

    Default

    lol it will be way cheaper to go low end cards then, total waste with 9800gt's. You can go cheaper cpu, mobo, psu and gpu's.

    Eisch some people
    i7 920, 5850, 3 gig DDR3 1600, EX58-UD5, Antec Quatro 850, 3D Aurora

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