45 Watts at 12 V should be something like:
45 / 12 = around 4 amps for the 5570
65 / 12 = around 5 amps for the 6570
try this PSU calculator:
http://www.be-quiet.net/be-quiet.net...websiteLang=en
a quick try gave me an OK on the 5570 for a 300 W PSU
http://www.amazon.com/Sapphire-10028...p_ob_e_title_2
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Last edited by danasan; 12-31-11 at 08:58 AM.
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