Quote Originally Posted by has33 View Post
Normal being, i7 920 @ 4.2GHz with 6x2GB DDR3, abt 5TB HDD n 8 x 120mm; 2 x 140mm LED fans; 6xUV lights .. along the 5870 on a Corsair VX550W ???

Its got 41A on the 12V rail (single)

Runs fine on the 4890, ATM.
Not sure why you would use that kind of PSU on a rig like that

Go with a 750-950 if you want to not have to worry about it for a few years ( Unless you plan on running more than 2 cards )