750 Watts' enough for 2 GTX275? Tags: Graphics Cards SLI Power Graphics Last response: February 22, 2010 12:44 AM in Graphics & Displays Share Veba February 21, 2010 10:26:44 PM Will a Chieftec Super Series 750W PSU be enough to power 2 GTX275 in SLI? More about : 750 watts gtx275 Yuka a b U Graphics card February 21, 2010 10:42:03 PM That card uses 219W (around 18.5A) from the +12V rails, so... Yes it should. From what I found, your PSU has 4 +12V rails giving 18A each. Get some adaptors and you'll be fine. Just make sure not to attach way too many fans, DVD's or HDD's per rail Cheers! m 0 l volks1470 February 22, 2010 12:09:50 AM My 750w psi powered my 3.7ghz X3 720 and overclocked gtx 295 just fine. Although it is a corsair m 0 l Can't find your answer ? Ask ! Get the answer JackNaylorPE a c 248 U Graphics card February 22, 2010 12:44:03 AM This says twin 275's will draw 230 watts: http://www.antec.outervision.com/PSUEngine Run your whole system through the calculator.....I wouldn't expect much from a Chieftec tho. m 0 l Can't find your answer ? Ask ! Publish Related resources Is a RM750 Watts enough for 2 R9 280's in crossfire Forum Do I have enough juice to run dual PNY GTX 760 OC 2GB off a Silverstone 75f 750 watts Forum Will 750 watts be enough to power 2 gtx 680's? Forum Solved750 watts PSU enough for GTX 780 SLI? PLEASE HELP!!! Forum Solved750 watts enough? Forum SolvedCorsair RM750 80 plus gold 750 WATTS, is it enough for two graphic cards? Forum 750 watts PSU enough for GTX 780 SLI? PLEASE HELP!!! Forum SolvedIs 750watts enough to run 3 monitors? Forum Solved750 Watts Enough for 8 Monitors? Forum Solvedwill 750 watts be enough? Forum SolvedPSU Help?! Need to know if 750 Watts is enough! Forum Will 750 Watts be Enough for my Build? Forum i5 4690K, Crossfire 7950's - 750 Watts Enough? Forum Solved750 watts power supply enough Forum SolvedIs 750Watts, 62Amps enough? Forum Will 750 watts be enough for two GTX 780's? Forum Is a 750w PSU enough for a load of 550 watts? Forum 750 watts enough for this? Forum SolvedIs the thermaltake Tr2 500 or 600 watts enough? Forum SolvedIs a corsair CX 430Watts enough for a GTX 660 2gb OC edition? Forum 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 !