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Locating which PSU rail will power my grahics card

Last response: in Graphics & Displays
April 25, 2012 8:35:39 PM

Hello, im buying a graphics card that requires 30 amps on a 12v rail from the PSU. My current power supply has 2 - 12v rails the first 12v rail listed as +12V1 is rated at 32 amps but the +12V2 rail is only 24 amps I can run the graphics card on the first rail but not the second but no matter how hard I try I cant figure out if rail 1 is the rail the graphics card is attached to will it be rail 2 ? If rail 1 then I wont need a new PSU if rail 2 I need to get a new PSU which I dont want to do. graphics card is the 560&cp=1&lp=3 and the PSU is a
a b Î Nvidia
a c 243 ) Power supply
a b U Graphics card
April 26, 2012 4:11:13 PM

The graphics card doesn't require 30 amps , the manufacturer reccomends that you have a psu with at least a 30 amp combined 12v output
Your's is not a very good psu but with a combined 12v output of 48 amps across 2 rails you don't have to worry which is which