Solved Im building a computer, and the video card im using is the nvidia gtx 770, which requires a 12v rail at 42 amps. The power sup Tags: Nvidia Power Computers Graphics Cards Graphics Gtx Last response: March 8, 2014 11:47 PM in Graphics & Displays Share Redsupremenunchucks March 8, 2014 11:33:58 PM http://www.newegg.com/Product/Product.aspx?Item=N82E168... My psu More about : building computer video card nvidia gtx 770 requires 12v rail amps power IDontUnderstand a b Î Nvidia a b U Graphics card March 8, 2014 11:37:50 PM The PSU will be more than enough. m 0 l Redsupremenunchucks March 8, 2014 11:38:52 PM So even if the rails are at 12v and 20amps each, itll still power the gpu? m 0 l Can't find your answer ? Ask ! Get the answer AshyCFC a b Î Nvidia a b U Graphics card March 8, 2014 11:42:10 PM yeah, remember. 20x4=80Amps so plenty of power. What's your full system spec, just to make sure. m 0 l IDontUnderstand a b Î Nvidia a b U Graphics card March 8, 2014 11:43:58 PM Redsupremenunchucks said:So even if the rails are at 12v and 20amps each, itll still power the gpu? I would like to guide you to another thread from our forum: http://www.tomshardware.com/forum/306437-28-single-rail... m 0 l Redsupremenunchucks March 8, 2014 11:44:33 PM I5 4670k Gtx 770 Asus z87 maximus hero vi 8gb corsiar dominator 120 gb samsung evo 840 ssd 1 tb western digital caviar blue m 0 l Best solution AshyCFC a b Î Nvidia a b U Graphics card March 8, 2014 11:47:36 PM yeah you're perfectly fine with this PSU. Share Can't find your answer ? Ask ! Publish Read discussions in other Graphics & Displays categories Ati GPUs Graphics Cards Gtx HD Monitors SLI Crossfire Tuner Cards Radeon Video Diamond Multimedia Matrox Nvidia Palit PowerColor Asus Games !