A 7970 can run off of a 500W PSU. For under $100, you would be getting a crappy 850W PSU. If I were you, I would get a Seasonic G 550W; 80+ Gold, fully modular, great build-quality, and under $100.
A 7970 can run off of a 500W PSU. For under $100, you would be getting a crappy 850W PSU. If I were you, I would get a Seasonic G 550W; 80+ Gold, fully modular, great build-quality, and under $100.