Psu? Tags: Graphics Cards Graphics Last response: March 28, 2010 2:03 AM in Graphics & Displays Share adwbeck March 27, 2010 3:02:20 AM i currently have coolermaster haf 932 case i7 930 zalman cnps10x extreme lg optical drive 1tb hard drive 1x red cold cathode 2x inno3d 250gts graphics cards asus rampage extreme mobo aerocool e78-730w psu i want to change the graphics cards to 2x275gtx but im not sure if there are enough connections on the psu to fit them. will i have to buy a new psu? More about : psu shadow187 a c 130 U Graphics card March 27, 2010 3:23:26 AM Don't bother with 2x GTX275. Get 2x HD5830 or 2x HD5770. The HD5830 crossfire will use much less power, and it'll be much more powerful (maybe not much more, but it'll be better). adwbeck March 27, 2010 3:33:47 AM are there enough extensions from that particular psu to do it? Related resources Asus 660ti DCU2 SLI, 680 DCU2 TOP or 7970 Matrix - Forum [Solved] Cheap and good PSU for Sapphire HD 4850. - Forum [Solved] PSU for 5670 - Forum [Solved] Did XFX 9600GT works with iBall generic 400w PSU? - Forum [Solved] Dedicated PSU Help - Forum Can't find your answer ? Ask ! Get the answer shadow187 a c 130 U Graphics card March 27, 2010 3:41:02 AM No, you need two more 6-pin PCI-E connections. adwbeck March 27, 2010 5:17:38 AM ty jyjjy a c 376 U Graphics card March 27, 2010 5:22:06 AM Yeah, if you are going to be spending a large amount of money on a video card(or cards) right now you will want DX11. If you are set on Nvidia preorder one of the GTX 480s while you can get in on it early. adwbeck March 27, 2010 7:46:16 PM yeah ive decided to go with 2x 470 cards when they come out in 2 weeks jyjjy a c 376 U Graphics card March 27, 2010 7:49:21 PM What is your resolution? Is there a reason you are set on using 2 cards? obsidian86 a b U Graphics card March 27, 2010 8:17:56 PM you goona need least 950 watts for 2 470's adwbeck March 28, 2010 1:50:06 AM my resolution is 1920x1080, just want to run 2 cards for the hell of it shadow187 a c 130 U Graphics card March 28, 2010 2:03:03 AM Assuming your PSU has two rails, one of them MUST be over 32A. Can't find your answer ? Ask ! Publish Related resources : Forum4650 on 280W PSU Forum[Solved] PSU causing gpu errors ForumPSU Related Graphics Card Problem ForumHitting the CPU, mobo, PSU wall... ForumBest graphics card $100 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 !