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PSU for two 6850 in CrossFire

Hello,

Which PSU do you think is better for a CrossFire setup with two HD6850.

(I plan on buiding my firs rig. I will buy one Sapphire HD6850 and later on add another one.)

A Corsair TX 650 or a Cooler Master Silent Pro M700.

The whole system should be something like that:

Mobo:ASRock 870 Extreme 3
CPU: AMD Athlon II X3 445
GPU: Sapphire Radeon HD6850
RAM: 2x2GB 1333MHz
HDD: 1x 7200RPM
DVD-RW 1x
And a couple of Fans.

Will post on the New Build Section before I order the parts.

Thanks :)

PS newegg and amazon do not ship to my country :(
17 answers Last reply
More about 6850 crossfire
  1. Here's a PSU calculator:
    http://www.antec.outervision.com/index.jsp

    And here's a review of the CM silent pro gold, I am uncertain this is the exact PSU you are asking about:
    http://www.tomshardware.com/reviews/gaming-psu-efficiency,2796-10.html

    Advantages for the Silent pro are modular design and a little bit more juice obviously.
    The Gold PSU was highly regarded in this article.

    The corsair unit may have longer cables for a bottom mounted full tower.
  2. Do NOT do a amd athlon ii x3 445 and x2 hd6850s. NEVER! That would be some serious bottlenecking.
  3. buzznut said:
    Here's a PSU calculator:
    http://www.antec.outervision.com/index.jsp

    And here's a review of the CM silent pro gold, I am uncertain this is the exact PSU you are asking about:
    http://www.tomshardware.com/reviews/gaming-psu-efficiency,2796-10.html

    Advantages for the Silent pro are modular design and a little bit more juice obviously.
    The Gold PSU was highly regarded in this article.

    The corsair unit may have longer cables for a bottom mounted full tower.


    I have tried a couple of PSU calculators, just wanted some opinions :)

    The PSU I'm talking about is NOT the Gold (too expencive :( )

    You are probably righ about the cables. (I will use a Mid Tower )

    Thanks for the input.
  4. HostileDonut said:
    Do NOT do a amd athlon ii x3 445 and x2 hd6850s. NEVER! That would be some serious bottlenecking.


    For a long time I will run a single HD6850 with the X3.

    Then I might buy a better CPU.

    Just want to make it a little bit more "future proof" :)
  5. Oh, okay. ;)
  6. Quote:
    Corsair > CM


    Yeah, but the CM is 50W more and has modular cables?
    Also it's reviews were pretty good.
  7. HostileDonut said:
    Oh, okay. ;)


    Thanks for the info though :)
  8. VGKitov said:
    Yeah, but the CM is 50W more and has modular cables?
    Also it's reviews were pretty good.

    Doesn't matter, Corsair is the better brand. I would get the Corsair in a heart beat.
  9. HostileDonut said:
    Doesn't matter, Corsair is the better brand. I would get the Corsair in a heart beat.


    OK so for now Corsair is the winner, I'm open to suggestions (I'm in no hurry) :)
  10. Quote:


    So the TX 650 will do (I may do some OC, nothing to crazy) I know the Chart says so, but I just want to be sure :)

    Thanks
  11. Yes. Corsair is better.
  12. Well seems Corsair is the way to go :D

    Thanks HostileDonut and PsychoSaysDie
  13. Well I live in Europe (Bulgaria) no newegg, no amazon :D
  14. OK Thanks ;)

    Donut thank you too :)
  15. Best answer selected by VGKitov.
  16. I just bought a XFX 850 and it received great reviews as well as had great power conditioning. Picked it up for 120.00
  17. This topic has been closed by Mousemonkey
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