Which graphic card should i buy?

Ryan Ethan Sanchis

Reputable
Jan 3, 2015
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My Asus HD 6670 recently went kaput. I'm getting a refund for it, but i don't want to buy the same card again.
These are my specs.
AMD Phenom X2 560 3.3Ghz
4 GB RAM
1 TB harddrive
Asus M5A78L-M LX V2

Any suggestions?