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GTX 580 SLI on a 850W PSU? - Page 2

post #11 of 14
I am running a single GTX 580 on a 850 PSU, and no problems what so ever. I would think you should fine fine if you PSU is a good one.
The Budget Buster
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The Furnace
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Intel Core i7 4930K 5.0GHz (Unlocked CPU for Ex... ASUS Rampage IV Extreme X79 (Intel X79 Chipset) 2x SLI Dual (NVIDIA GeForce GTX 780 3GB (Includ... 32GB DDR3 1866MHz Corsair Vengeance Pro 
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1x SSD (1TB Samsung 840 EVO) 1x Storage (1TB Western Digital - Black Edition) ASUS DVD-R/RW/CD-R/RW (DVD Writer 24x / CD-Writ... H20: HydroLux Level 3: Exotic Custom Cooling Sy... 
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The Budget Buster
(17 items)
 
The Furnace
(15 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i7 4930K 5.0GHz (Unlocked CPU for Ex... ASUS Rampage IV Extreme X79 (Intel X79 Chipset) 2x SLI Dual (NVIDIA GeForce GTX 780 3GB (Includ... 32GB DDR3 1866MHz Corsair Vengeance Pro 
Hard DriveHard DriveOptical DriveCooling
1x SSD (1TB Samsung 840 EVO) 1x Storage (1TB Western Digital - Black Edition) ASUS DVD-R/RW/CD-R/RW (DVD Writer 24x / CD-Writ... H20: HydroLux Level 3: Exotic Custom Cooling Sy... 
CoolingOSMonitorKeyboard
Strike-X AeroCool Temperature Display & Fan Con... Microsoft Windows 8.1 Professional (64-Bit Edit... Asus PB278 2560 by 1440 G510 
PowerCaseMouseMouse Pad
Corsair 1050 obsidian 900d R.A.T. 7 Razer Vespula 
Audio
T-40s 
CPUMotherboardGraphicsRAM
I7-875K @ 4.13 GHz GA P55A UD3 Galaxy GTX 580 @ 850/1700 16 GBs 1,600Mhz DDR3 XMP Ripjaw X 
Hard DriveOptical DriveOSMonitor
Curcial M4 128GB SSD Boot Drive  Sony DVD RW Windows 7 64 bit Dell 22 In. HD 1080P 
KeyboardPowerCaseMouse
Logitech G510 Thermaltake Black Widow 850 Azza Salano 1000 Tower Mad Catz Cyborg R.A.T 7 
Mouse PadAudioOther
Razor Vespula Dual Sided Gaming Mouse Pad. Creative T-40 Cyborg Fly 5 Joystick 
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post #12 of 14
Easily enough, even with everything overclocked.
Wingman Fuzzi
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Samsung 840 120GB + 850 1TB + Intel 520 240GB Samsung F3 1TB Thermalright Venomous X w/ FM122 Windows 7 Pro x64 
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Dell U2312HM 1920x1080 @ 60Hz Ducky Shine II (Blues w/ White Backlight) Corsair HX 620W Fractal Design XL (Black Pearl) 
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Wingman Fuzzi
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Samsung 840 120GB + 850 1TB + Intel 520 240GB Samsung F3 1TB Thermalright Venomous X w/ FM122 Windows 7 Pro x64 
MonitorKeyboardPowerCase
Dell U2312HM 1920x1080 @ 60Hz Ducky Shine II (Blues w/ White Backlight) Corsair HX 620W Fractal Design XL (Black Pearl) 
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post #13 of 14
One GTX 580 you'll be fine. I'm running an i7 930 at 3.2GHz and a stock GTX 590 and my peak power consumption is 559W. If you get a second GTX 580 you will be fine.

You should get a higher rated psu if I you're going to overclock. Its worth the peace of mind knowing you have wiggle room, trust me. You don't want to be spending the whole time wondering if you psu is going to blow up or fry your motherboard and gpus just to save some money.
space heater
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space heater
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i7 930 @ 3.6 EVGA X58 SLI Micro ASUS GTX 590 @ 690/1380/3600 G.SKILL 12GB DDR3 1600 
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post #14 of 14
Good stuff..
z97 RIG
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Apophis
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z97 RIG
(15 items)
 
Apophis
(18 items)
 
 
CPUMotherboardGraphicsRAM
4790k MSI z97 Gaming 7 Gigabyte G1 Gaming GTX 970 G Skill Ares 16gb 
Hard DriveHard DriveCoolingOS
Crucial MX100 256gb Seagate Barracuda 2tb Corsair H70 Windows 7 Pro 64bit 
MonitorKeyboardPowerCase
AOC 24 inch 144hz  Razer Blackwidow chroma EVGA 850 G Silient Corsair Air 540 
MouseMouse PadAudio
Razer Deathadder Chroma Generic On-board Audio 
CPUMotherboardGraphicsGraphics
Core i7 920 D0@ 4.2 1.25625 vcore EVGA Classified 760 EVGA GTX 470 SC+ EVGA GTX 470 SC+ 
RAMHard DriveOptical DriveCooling
Corsair Dominator GT 1866 3x2 gbs 1TB Samsung Spinpoint Lite-On DVD drive EK Supreme LTX Water Block 
CoolingCoolingCoolingOS
EK EVGA Classified Full Motherboard Block EK GTX 470 Acetal/Copper Water Block EK GTX 470 Acetal/Copper Water Block Winows 7 PRO 64 bit 
MonitorKeyboardPowerCase
Samsung ToC 24" Razer Black Widow Seasonic Platinum 1000 watt CoolerMaster HAF 932 
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