Power supply and video carts Tags: Prebuilt Power Supplies Alienware Video Crossfire ATI Systems Last response: July 8, 2010 12:00 AM in Systems Share Harmel July 7, 2010 9:42:25 PM Hello! I want to know if I can place 2 ATI HD5070 in crossfire mode in my Alienware Aurora with its 850 watts power supply? More about : power supply video carts jsc a c 144 ) Power supply July 7, 2010 9:48:35 PM 2 5070's? I am sure you mean either 5870 or 5970. Which? m 0 l Harmel July 7, 2010 11:49:52 PM Sorry! Yes I mean 5870! Tks m 0 l Related resources Video cart and power supply - Forum Suggested upgrades for my pc, Video Card, Power Supply, Etc - Forum Using a weak power supply with a video card. - Forum Power supply and video card wont hook up - Forum Upgrading video card is my power supply good enough? - Forum Can't find your answer ? Ask ! Get the answer tecmo34 a c 77 ) Power supply July 7, 2010 11:54:38 PM Yes, depending on the quality of the PSU... Corsair, Antec, SeaSonic for example, you should have no issues with dual 5870's. CoolMax, Rosewill, XION for example, you might not be so lucky m 0 l Harmel July 7, 2010 11:59:20 PM How can I know which pu there is in my Dell computer? Open it I guess? m 0 l tecmo34 a c 77 ) Power supply July 8, 2010 12:00:47 AM Yes... You are looking to see 1) How many AMPS are on the 12V rail(s) and 2) the max output. Here is a good thread to give you an idea on what you need for your 12V rail... http://www.tomshardware.com/forum/279391-28-power-requi... m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedWhat video card should I get? Need new power supply? Forum Solvedgood video cards that will run on my power supply? Amps on 12v Rail are a bit low it seems Forum SolvedNeed help picking Power supply unit for when i get my new gtx 570 video card Forum SolvedI am wondering how can I find out if my motherboard/power supply is compatible with a new video card. Forum Solvedpower supply for video card Forum SolvedNew Power supply wont boot pc but will power video card Forum Solved20 Watt difference new video card vs old video card. New power supply? Forum Solved250 Watt Power Supply for 400 Watt Video Card? Forum SolvedVideo card, power supply requirement question Forum SolvedWill this power supply be compatible with this video card Forum SolvedEVGA GeForce GTX 760 2GB Video Card in SLI with power supply 750w or 850w Forum SolvedComputer crashes on start-up sometimes... Is it the Video? Processor? Motherboard? or Power Supply? Forum SolvedVideo Card and Power Supply Forum SolvedNeed a good video card for a 250 watt power supply Forum SolvedVideo card is defective or power supply? [BSOD and more] Forum More resources Read discussions in other Systems categories Homebuilt New Build Prebuilt Cases Power Supplies RAM CyberPower !