Best PSU for money regarding ATi 7k series

Hi everyone,

Currently I'm building a new computer. I'm planning on keeping my old video card (260gtx) until the new ATi 7k series is released. I'm looking for a good power supply that would work well with a 7k card when it is released. I do not plan on cross-firing at all, just going to use one gpu. I've been looking at some OCZ and Corsair 750w psu's, but was not sure how much wattage I will actually need.

my new computer so far consists of...

Cooler Master Haf-932

Asus Sata DVD drive

Intel 2500k, cpu

GIGABYTE GA-Z68A-D3H-B3, motherboard

G.SKILL Ripjaws X Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800), RAM

I plan on also getting an SSD for windows and a few applications and games, then storing the rest on my 500gb sata drive.

I'm wanting to not spend over $100 on a psu, but if need be I will. Thanks for any help.
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  1. The corsair 750w would be plenty for your system even a 650 watt psu will run your system very well. I have listed a couple very good psu's hopefully one of them will help.

    http://www.newegg.com/Product/Product.aspx?Item=N82E16817151095

    http://www.newegg.com/Product/Product.aspx?Item=N82E16817341048

    http://www.newegg.com/Product/Product.aspx?Item=N82E16817139020


    EMAN64 said:
    Hi everyone,

    Currently I'm building a new computer. I'm planning on keeping my old video card (260gtx) until the new ATi 7k series is released. I'm looking for a good power supply that would work well with a 7k card when it is released. I do not plan on cross-firing at all, just going to use one gpu. I've been looking at some OCZ and Corsair 750w psu's, but was not sure how much wattage I will actually need.

    my new computer so far consists of...

    Cooler Master Haf-932

    Asus Sata DVD drive

    Intel 2500k, cpu

    GIGABYTE GA-Z68A-D3H-B3, motherboard

    G.SKILL Ripjaws X Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800), RAM

    I plan on also getting an SSD for windows and a few applications and games, then storing the rest on my 500gb sata drive.

    I'm wanting to not spend over $100 on a psu, but if need be I will. Thanks for any help.
  2. If you are only going to be running one graphics card then a 550W unit is going to be plenty.
    Rosewill Capstone 550W 80Plus Gold Modular $80
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817182068
    Based on the Super Flower Golden Green platform and the 750W version recently received a positive review at JG, showing that its performance was largely in line with other Golden Green based units.
    The only area where it was noticeably worse was that ripple and noise suppression was half the spec at full load (usually Golden Greens are well below half the spec at full load). I think this is hardly something to complain about considering the price.

    XFX Pro 650W Core Edition 80Plus Bronze $90 ($30 rebate, $6 shipping)
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817182068
    The same internally as the Corsair 650TXV2.

    PC Power & Cooling Silencer MK III 600W 80Plus Bronze Modular $90 ($20 rebate, 10% off promo code)
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817703036
    Similiar to the Seasonic M12II Bronze with fewer but longer cables, most notably the ATX12V/EPS12V cable which is 60cm vs 52cm.
  3. Good psu's listed by davcon^.

    Here is what EVGA recommends for their graphics cards:

    GTX550ti needs 400w with 24a on the 12v rails plus one 6-pin PCI-E power lead.

    GTX560 needs 450w with 24a on the 12v rails plus two 6-pin PCI-E power leads.

    GTX560Ti needs 500w with 30a on the 12v rails plus two 6-pin PCI-E power leads.

    GTX570 needs 550w with 38a on the 12v rails plus two 6-pin PCI-E power leads.

    GTX580 needs 600w with 42a on the 12v rails plus one 6-pin and one 8-pin PCI-E power lead.

    GTX590 needs 700w with 50a on the 12v rails plus two 8-pin PCI-E power leads or 4 6-pin power leads.

    The power needs of the 28nm 7xxx or kepler cards is unknown today. But, I would not expect them to be any higher than what you see here.

    It would not be wrong to get a slightly stronger psu than needed. That way it will operate in the middle of it's range where it will be more efficient and quieter.

    Above all, do not go cheap on a psu.

    Shop for a quality unit from Seasonic, XFX, PC P&C, Corsair or Antec.
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