Radeon HD 6850 Build Help!!

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G3N3SIS

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Jul 20, 2011
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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 fatal1ty 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.

Aslo, 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