Building a cheap pc

CTOAGN

Honorable
Dec 4, 2013
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I am building my second pc and I am trying to make it as cheap but as powerful as possible (a challenge I chose) and I am stuck on the gpu. Right now this is what I have that I assume is required to know to help. I am building this to play games at a decent/high resolution if it can. Thanks!

AMD Phenom II X4 965 Black 3.4GHz Quad-Core Processor

ASRock 760GM-GS3 Micro ATX AM3 Motherboard

G.Skill Ripjaws Series 8GB (2 x 4GB) DDR3-1600 Memory

Rosewill FBM-01 MicroATX Mini Tower Case