will this psu power 2 overclocked 6850's in cf .i wont change the voltage . i checked the reviews on newegg so dont say anaything about the brand.
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More about 6850cf
  1. A good 600-650W power supply would be OK but that one has only 23A on each of the 2 12V rails while a corsair TX650 V2 has 52A on a single rail which would be fine. Basically crossfire would be a no on that PSU it might run (it might not) but you would be taking a big risk.
  2. Best answer
    Despite all those newegg 'reviews' its quality is not known, as I doubt that any of them have put a full load on it and measured its performance. And I'm not aware of any other technical reviews of that nature.

    Intel i7-920 3.33GHz 15/12/2010
    6850 Crossfire Power Consumption:
    Idle = 170W, Load - Crysis = 378, Load - Furmark = 423W
    These numbers clearly show that even a good 550W PSU can easily cope with two 6850s.

    Any of these would be better as they are known to be reasonably high quality:
    Rosewill Green Series 630W 80Plus $60

    Antec High Current Gamer HCG-520 80Plus Bronze $64

    Seasonic S12II Bronze 520W $60

    XFX Pro 550W Core Edition 80Plus Bronze $70 ($15 rebate, $6 shipping)

    Antec Earthwatts Green EA-650 80Plus Bronze $70 ($20 rebate)

    Rosewill Hive 550W 80Plus Bronze Modular $70
    Apparently based on the same internal design as the OCZ ZS series.
  3. thanks the Antec Earthwatts Green seems good I'll. go with it instead.
  4. Best answer selected by 9_Breaker.
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