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 168 Î Nvidia a b ) Power supply a c 271 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. 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 Can't find your answer ? Ask ! Publish Related resources : ForumHD 7870 More resources 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 !