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Will Radeon HD 6850 work with my OCZ PSU

I'm looking to create my first build, and I've been slowly buying all the parts over the past few weeks and now I'm looking at getting a video card. I've settled on the Radeon HD 6850 (either http://www.newegg.com/Product/Product.aspx?Item=N82E16814161363 or http://www.newegg.com/Product/Product.aspx?Item=N82E16814150515). First off, if you have any recommendations on which out of the two is best, i'd appreciate the input, because on Newegg both are 5 stars and are similar review wise.
Second issue is, what sort of power supply would I have to have in order to run either of these cards?? Like I said, I have been picking up parts as I see deals and do research, so I already have an OCZ Fatal1ty 550W PSU http://www.newegg.com/Product/Product.aspx?Item=N82E16817341022&Tpk=OCZ%20fatal1ty and I'm not positive that it would be powerful enough. I also plan to get a Phenom II x4 955 and AM3+ motherboard (If that's relevant). So, if you guys had any recommendations about this and could give a beginner so guidance I'd really appreciate it.

Also, not sure if this matters too, but the RAM I'm going to run is DDR3 1600 Cas-9 http://www.newegg.com/Product/Product.aspx?Item=N82E16820231416
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More about will radeon 6850 work
  1. G3N3SIS said:
    I'm looking to create my first build, and I've been slowly buying all the parts over the past few weeks and now I'm looking at getting a video card. I've settled on the Radeon HD 6850 (either http://www.newegg.com/Product/Product.aspx?Item=N82E16814161363 or http://www.newegg.com/Product/Product.aspx?Item=N82E16814150515). First off, if you have any recommendations on which out of the two is best, i'd appreciate the input, because on Newegg both are 5 stars and are similar review wise.
    Second issue is, what sort of power supply would I have to have in order to run either of these cards?? Like I said, I have been picking up parts as I see deals and do research, so I already have an OCZ Fatal1ty 550W PSU http://www.newegg.com/Product/Product.aspx?Item=N82E16817341022&Tpk=OCZ%20fatal1ty and I'm not positive that it would be powerful enough. I also plan to get a Phenom II x4 955 and AM3+ motherboard (If that's relevant). So, if you guys had any recommendations about this and could give a beginner so guidance I'd really appreciate it.

    Also, not sure if this matters too, but the RAM I'm going to run is DDR3 1600 Cas-9 http://www.newegg.com/Product/Product.aspx?Item=N82E16820231416


    Yes, it will not a problem at all, ur PSU can handle cards up to 560ti no problems. I would also go for the XFX card, lifetime warranty and all.
  2. vilenjan said:
    Yes, it will not a problem at all, ur PSU can handle cards up to 560ti no problems. I would also go for the XFX card, lifetime warranty and all.


    Great!! I am leaning towards the XFX as well!! Also, not that I'm planning to do this any time soon, but if I was to later on in the future want to Crossfire another 6850, would that be an issue powerwise? My PSU says that its "SLI ready" (which I believe means that it's basically Crossfire ready as well), but I'm not sure if the SLI ready approval is limited to 2 video cards to a certain level.
  3. Best answer
    math time

    6850 stock = 130w max x2 = 260W
    Top tier CPU = 125W
    Fans/HDs/DvD/USB devices - 100w MAX

    So worse case, about 485W, which is less than 90% of the PSU capacity. You can work that for a while, but I like to keep my PSUs under 80% for extended life.

    So for a single card, its perfect, if you are sure you will Crossfire down the raod, I might go for a 650W unit just to be safer.

    Also PSU do degrade over time, quality units do so less than the cheap ones, but keep that in mind.
  4. Best answer selected by G3N3SIS.
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