50w over wont hurt. Yeah, you probably only need to match the watts on the PSU, but 50 extra wont hurt. I got a USB HD which needed external power...thus needed more than my car CPU. Make sure you arent going to be adding anything else (ie. playstation, extenral accesories, etc.). But I agree, 600w is probably way too much and will probably not be nearly as quality as a lower supplier. I think most people around here have 300w.
PoBoy
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