Radeon hd 7770 on 400 psu

Hello, I just bought a computer and I'm thinking of upgrading the gpu so i was wondering if anyone know i I could use the radeon hd7770 on my 400 w psu with an 6 pin molex adapter
my system
AMD Athlon(tm) II X2 250 Processor 3.0ghz
Ram 1.8 GB
Microsoft Windows 7 Professional Edition (build 7600), 32-bit
HDD 1TB
Also once I put this videocard what would the fps be with a games like battlefield, guild wars 2 etc
3 answers Last reply
More about radeon 7770
  1. what is your psu brand?? any good brand psu will do
  2. I need to know what the brand of power supply is and model as for performance i don't know because AMD has new drivers that make it better here http://img90.imageshack.us/img90/9091/perfrelo.gif
  3. any decent brand, 400w is plenty, you could do with a more powerful one but your CPU will quickly start holding you back.

    Read the review here on GW2 and Battlefield to get an idea, and pay close attention to what cpu they are using and the cpu scaling
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