Solved 3x GTX 580 SLI on 1000w PSU Tags: Graphics Cards Gtx Intel i7 SLI Graphics Last response: March 23, 2012 5:34 AM in Graphics & Displays Share AidanJC March 23, 2012 2:36:27 AM Hi Everyone, I have an oppurtunity to buy two additional GTX 580s at $200 AUD each. I have an i7 2600k @ 4.2 Ghz for now. I also have a 1000W Coolermaster Silent Pro Gold Power supply. My question is: Can i run all three of these cards at once with maybe a little Overclocking headroom? Thanks. More about : gtx 580 sli 1000w psu Best solution purple stank a c 214 U Graphics card March 23, 2012 2:46:08 AM Well the 3 GTX580's on their own are about 750 watts.Combined with the rest of your PC you should be at around 900watts.So it should be fine and you do have room for O.C.ing. How many HDD's do you have? Share AidanJC March 23, 2012 2:56:45 AM purple stank said:Well the 3 GTX580's on their own are about 750 watts.Combined with the rest of your PC you should be at around 900watts.So it should be fine and you do have room for O.C.ing. How many HDD's do you have? Two, Three including an SSD. But they don't draw too much power. m 0 l Related resources 1000w PSU For SLI GTX780's - Forum Are 3x 3GB GTX 580 in SLI better than 2x 3GB GTX 590 in SLI - Forum Is a 1000W PSU enough for GTX 770 tri SLI? - Forum 3x GTX 580's with this psu - Forum 1000w silverstone stryder, silver rated psu sufficient for gtx 780 ti sli? - Forum Can't find your answer ? Ask ! Get the answer hellfire24 a b U Graphics card March 23, 2012 2:58:30 AM i won'y suggest 3x gtx 580s.two are able to max out any thing!a quality 900w will run 580 SLi fine.TX950w,Antec HCG 900w,pc power and cooling 950w are some units that perform well. m 0 l AidanJC March 23, 2012 3:04:21 AM I have to buy both for a total of $400 AUD. Can't just have one of them unfortunately. I already have one, and a motherboard to support 3 Way SLI. So i may as well use it m 0 l AidanJC March 23, 2012 3:04:42 AM Best answer selected by AidanJC. m 0 l purple stank a c 214 U Graphics card March 23, 2012 3:20:51 AM x3 GTX580's will be such a nice setup.Don't forget to O.C. your CPU because it won't be able to keep up with a x3 GTX580's. m 0 l AidanJC March 23, 2012 3:22:51 AM No worries, thanks for your help mate! You too Hellfire m 0 l JackNaylorPE a c 230 U Graphics card March 23, 2012 5:26:53 AM The smallest PSU certified by nVidia for twin 580'ss 900 watts. The smallest for 3-way is 1200 watts http://www.geforce.com/Active/en_US/en_US/pdf/PSU.pdf In Guru3D's game test suite testing...... One 580 gets 616 fps Two 580's gets 953 fps (55% increase over 1 card) Three 580 gets 1030 fps (8% increase over 2 cards) http://extreme.outervision.com/PSUEngine High End Desktop 2600k OC'd to 4.8 Ghz Three 580's (stock no OC) 2 RAM modules 1 BR Drive 2 HD's 1 SSD 5 USB (mouse, KB, phone, camera, thumb drive) 1 Card Reader (drop 11 watts if not used) 5 fans 90% load 15% capacitor aging Recommended Minimum: 1059 watts I'd wanna be 10% more than that in order to maintain enough voltage stability to hot that 4.8 GHz OC ..... not to mention ..... no OC on the 580's ????? I don't think so. m 0 l purple stank a c 214 U Graphics card March 23, 2012 5:34:55 AM http://www.thermaltake.outervision.com/Power I put in the information I knew and it came up to 855 watts.The only thing I did not know was the fans and the CD drive but that's give or take 20 watts.Even with the O.C. you have plenty of heardroom. m 0 l Can't find your answer ? Ask ! Publish Related resources Solvedis this psu good enough for sli gtx 580? Forum SolvedRecommended PSU for 2-way sli Gtx 580 Forum SolvedGtx 780 3gb sli or single titan 6gb for 3x 1920x1080p gaming? Forum Solved3x GTX 780 Ti Triple SLI or AMD Radeon R9 290X Tri-X? Forum Solved3x EVGA GTX 275 in triple SLI, Upgrade to? Forum Solvedasus z87-a sli 3x slot gtx770 ASUS Xonar phoebus Forum SolvedEVGA GTX 770 2GB SLI 3x Monitors BF4 help Forum SolvedGTX 770 WindForce 3x OC + fx8350 500w PSU? Forum SolvedWill a Gigabyte GTX 770 Windforce OC 3x SLI with a GTX 770 from another brand? Forum SolvedHow do I connect my Cooler Master 1000W Silent Pro Gold PSU to my ASUS Nvidia GeForce GTX 770 GPU? Forum SolvedWould GTX 690 achieve more FPS with SLI? Im using 3x 1080 monitors. Forum 750w PSU for GTX 580 SLI Forum Corsair 1050hx PSU and GTX 580 SLI question (Amps) Forum GTX 580 SLI best PSU Forum PSU for GTX580 SC sli 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 !