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! 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 Can't find your answer ? Ask ! Get the answer JackNaylorPE a c 212 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. Can't find your answer ? Ask ! Publish Related resources Power Supply enough for SLI GTX275 ? Forum Can Corsair HX620 Take On 2 GTX275 ? Forum GTX275 TriSLI vs 5870 Crossfire. Building New System Forum GTX275 SLI on a Corsair TX650 v 2 ? Forum Is 750 w Corsair psu enough ? Forum 750 watts power supply enough Forum INTER-TECH EPS- 750 w PSU enough for gtx 275 SLI? Forum 750 watts enough ? Forum Best 250-300$ graphic card (4850X 2 , 4890, GTX275 ) Forum Is 750Watts , 62Amps enough ? Forum Would 750 watts be enough ? Forum 750 Watts enough for 580 SLI? Forum Is 750watts enough power??? Forum GTX275 OCX /cry Forum 8800GTX died. Buy HD4890 or GTX275 Forum Ultra LSP 750 750-Watt is enough for a zotac 660ti amp edition? Forum Please help me choosing a GFX Card Forum Bad HD 5750 or PSU not enough? Forum Zalman 850W enough for 2xgtx260 SLI (super overclocked version though) Forum Is 850W psu enough for an OC'd 5970? 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 !