the power ratings are sticker on the side of power supply
other way is to go to the store u got the computer from and look at similar setup
or find a model or case online and look at specs
as for the topic starter i say go directly to manufacturer,s page and download a manual usually it has all the specs at the end of manual or any other similar video card by different manufacturer
I HATE FIREFOX!!!!!!!I don't care if its what you use!!! I use IE and will continue using it...
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