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Which power supply is better for hd6770 1gb ddr5

Hello,
guys i have asrock b75
4gb ram
core i5 3570K
and confuse about the graphics card and powersupply
which 1 should i take 6770 or 7750.and which power supply is better between cooler master and thermaltake plz help me out guys
and i dont want to OC my any components
5 answers Last reply Best Answer
More about which power supply hd6770 ddr5
  1. The Cooler Master Silent Pro Series models and the Thermaltake Tough Power Series models are the only ones worthy of consideration.
  2. thanks
  3. A 6770/7770 consumes hardly any power at all.

    Heck, a 520w unit like this: (on sale for 45 bucks with promo code, great deal)

    http://www.newegg.com/Product/Product.aspx?Item=N82E16817371030

    Would be sufficient for crossfire 6770/7770's, it even has the appropriate amount of PCI-E power cables.
  4. Best answer
    That Antec is a decent power supply, that's the way I would go. Also, make sure you spend the extra $10 or so for a 7770, the performance increase is worth it.

    http://www.anandtech.com/bench/Product/538?vs=536
    (the 5770, is the same as a 6770)
  5. Best answer selected by biki77.
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