Hi, I am just ordering new parts for another computer and was wondering what power supply should I get. By the way, the computer is not for gaming. I have a 500 watt thermaltake power supply but don't know if I need one with higher wattage. Here is the main stuff for the computer: OCZ Reaper HPC 4GB DDR2 1066 Ram, AMD Phenom 9950 BLACK EDITION Agena 2.6GHz 140W Quad-Core Processor, Nvidia 8500, 1 7200 RPM harddrive, 1 dvd burner, and thats about it. I am not sure about the motherboard exactly but it would be an highend motherboard. Thanks!