PSU And Graphics card help

MP5KU

Honorable
May 7, 2013
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Hi there,
I'm building a computer and I need some suggestions on what graphics cards and Power supply I am getting. The case, fans and hardrive are not needed.


Specs:
CPU: AMD fx-8350 @ 4Ghz (Probably going to be OC'ing)
MotherBoard: ASUS M5A97 LE R2.0 AM3+ (Just a cheap one for now)
RAM: Kingston HyperX Red @ @1600mhz (2x4GB)
Graphics Card: I need help with which one I am getting, here are my options:
Evga GTX 660 SuperClocked, MSI Radeon HD 7850 Video Card - 2GB GDRR5 or the Sapphire Radeon HD 7870 GHz 2GB. I will most likely be running SLI/Crossfire with these cards.

PSU: I have no clue what Power Supply is needed, If anyone can help me with this, It would be greatly appreciated.
 
Forgot to mention if you are looking for a modular power supply then grab something like a Corsair HX650 for a single card if you are going to SLI or XFire then an HX750 would be a better option
 
Any Antec, Seasonic, Corsair will do great. If you are thinking to SLI or CF down the road think higher 750-1000W. Personally I would not go lower than 750W I know it is overkill for your system but in 5 years you will not need to buy another PSU. I am using my 1000W Antec since 2006. Also keep the PSU clean blow out the dust at least once a month. ALSO please overclock your 8350. It was born to be clocked. Get a good aftermarket cooler ...the stock one sucks