Iamhandy Tags: Nvidia Power Supplies Graphics Cards Graphics Last response: January 28, 2013 10:48 PM in Graphics & Displays Share IAMHANDY January 28, 2013 10:34:33 PM How much should the power supply be in order to operate two NVIDEA MSI690 or two Gigabyte690 NVIDEA Graphics cards? ( for one card they suggest a 500 watt power supply) More about : iamhandy Mousemonkey a c 172 Î Nvidia a b ) Power supply a c 273 U Graphics card January 28, 2013 10:47:44 PM Why don't you go to the Nvidia site and see what the power requirements for the 690 actually are and then you can work it out yourself. m 0 l ridd21 January 28, 2013 10:48:39 PM If I can recall reading a article about this not long ago I think they said a 850 watt for two 690's. Just make sure you get a good brand and I'd imagine you will fine m 0 l 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 !