Two HD 5870's in CF power supply question Tags: Graphics Cards Power Supplies HD Graphics Last response: December 9, 2010 11:37 AM in Graphics & Displays Share ambam December 9, 2010 5:46:56 AM I have Two GIGABYTE HD 5870's in CF and a Corsair TX850 850W power supply. Is 850 enough for these GPU's? The rest of my system includes a Core i7 930, 6GB DDR3 RAM, X58 motherboard, and a 2TB HDD. Should I have gotten a 1KW PSU? More about : 5870 power supply question jsc a b U Graphics card a c 144 ) Power supply December 9, 2010 5:56:22 AM You have plenty of power. 850TX has a 70 amp 12 volt rail. Pair of 5870's will pull around 25 - 30 amps under load. CPU, about 10 amps. That leaves plenty of power for the rest of the system plus a healthy reserve. m 0 l wa1 a c 189 U Graphics card a b ) Power supply December 9, 2010 11:37:05 AM ^+1 You have plenty power. m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedTwo questions, will my power supply handle a HD 7770 and if the 7770 is a good enough upgrade Forum Power Supply for CF'ing Radeon HD 5850's Forum SolvedQuestion about having two different brand 5870's in X-Fire? Forum SolvedI have a question will this power supply support this GPU AMD Radeon HD 7750????? Forum Solvedquestion about power supply for radeon hd 7950 Forum SolvedHD6950 Power Supply question Forum SolvedA question about power supplys and the Radeon HD 7770 Forum SolvedPower Supply for CF 7970 Forum SolvedSapphire hd 3850 power supply question Forum Two HD 5870's would be faster than a single HD 5970? Forum Solved500W with two +12v @ 22 amps power supply. Will it work on Sapphire r9 270x Vapor X Forum SolvedPower Supply for two crossfired 290 sapphire tri-x cooled GPUs Forum SolvedHow much watts for a power supply do I need for two gtx 760 in sli Forum SolvedBuying a HD 6870, power supply questions Forum Solvedit's good power supply:Corsair 750W RM if my vga HD 7990 CPU: i7 4790k Forum Solvedupgrading on a budget AMD to Intel question on power supply Forum SolvedMy power supply has two cables: CPU1 which is a 4+4 pin, and CPU2 which is 8 pin. Does it matter which I cable I connect? Forum Radeon HD 5770 power supply question Forum SolvedThermaltake Smart 650W Power Supply - is it able to run two Gainward GeForce GTX760 Phantom 2GB graphics cards? Forum SolvedWill the Asus ATI Radeon HD6450 1Gb run on a 275 watt power supply? 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 !