k1114 said: I think you are talking about this chart. http://www.realhardtechx.com/index_archivos/Page362.htm Keep in mind those are estimating requirements, each build will have different needs, and it's amps that really matter, not psu watt rating.
k1114 said: The same goes for amps though. It's going to depend on the other components. I just googled "amp requirement graphics card" and foudn this though. http://forum-en.msi.com/faq/article/power-requirements-for-graphics-cards