Can i run two 6870's on 550watts? Tags: Graphics Cards Graphics Product Last response: March 1, 2012 2:35 AM in Graphics & Displays Share tcfraz February 28, 2012 1:17:16 AM Link to my psu: http://www.newegg.com/Product/Product.aspx?Item=N82E168... Its 80+ certified. If not, how much wattage would i need and could you sugguest some psu's for me? System Specs: amd athlon ii x4 645 asus m4a89gtd pro usb3 8gb ddr3 1333 1 ssd 1 hdd radeon 6870 More about : run 6870 550watts tcfraz March 1, 2012 1:47:13 AM Anyone? I used some power calculator and put in specs similar to mine and maybe a few extras and got this with 2 6870's. http://awesomescreenshot.com/013qwvf1 Is that safe? jeffredo a b U Graphics card March 1, 2012 2:29:49 AM You listed all your specs save for the power supply's. A crap 550w, no. A high quality gold rated 550w, most likely yes. Can't find your answer ? Ask ! Get the answer sonexpc a b U Graphics card March 1, 2012 2:35:10 AM Suggest is 600W with 4 x 6 pin connector http://www.amd.com/us/products/desktop/graphics/amd-rad... This one is good and is on sale http://www.newegg.com/Product/Product.aspx?Item=N82E168... and it have 4x6Pin PCI-E Connector Can't find your answer ? Ask ! Publish Related resources Will 550watts be enough for this build Forum 550 watts and X-Fired 6870's Forum Two 6870's in Crossfire - GPUZ shows some oddities Forum Will Two 6870s Be Bottlenecked by a Core i7 Forum Single 7970 VS 6870's X-Fired (Eyefinity)? Forum How much power will i need for two 6870s in crossfire Forum Choice between these two 6870s Forum Two different Radeon 6870s (which one to get) Forum Crossfire power to 6870s Forum Keep 2 6870s or get 7970 Forum Upgrading 6870: GTX 680 or XFire 6870s ? Forum Crossfire XFX 6870's performance. Forum Will two 6870's get to Hot in crossfire Forum Can any Radeon 6870s do tri or quad crossfire? Forum Need Guidance 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 !