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What PSU for a GTX 580 SLI setup?

post #1 of 8
Thread Starter 
I tried to do the PSU calculator but it claimed i needed a 1100W power supply which seems very high for my setup. So what i need to know is what would be the best Wattage for my system with 2 580's heavily OC'd.

Setup i will be doing SLI is
GIGABYTE GA-970A-UD3P
FX 8350 4.5GHz
2 GTX 580 SLI OC'd to 900/1800/4400 @ 1.1V
5 HDD SATA and 1 IDE
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post #2 of 8
1000w.

EVGA 1000g2 is what you need:

http://www.newegg.com/Product/Product.aspx?Item=N82E16817438010

850w possibly could do it, but it's so close that you might just get shutdowns during games at the said overclocks and voltage. Plus your cpu is a power hog also.
    
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post #3 of 8
Thread Starter 
Quote:
Originally Posted by MrTOOSHORT View Post

1000w.

EVGA 1000g2 is what you need:

http://www.newegg.com/Product/Product.aspx?Item=N82E16817438010

850w possibly could do it, but it's so close that you might just get shutdowns during games at the said overclocks and voltage. Plus your cpu is a power hog also.

Wow i didn't think my system would pull that much power. Also i was looking at that PSU
Tha Beast!
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post #4 of 8
You might want to bench and push a little more voltage and clocks, so the 1000w is a good idea.

I had a 990x with two GTX 480s on an AX850 and had shut downs, although I got an Antec HCP-850 and the problem was solved.

1000w is the way to go personally speaking and that psu is one heck of a unit.
    
CPUMotherboardGraphicsRAM
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post #5 of 8
1000w+
     
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Intel 4770k MSI Z87-G45 MSI 290x Lightning Crucial M4 256 x1 
Hard DriveOptical DriveCoolingOS
Crucial M5 It's an optical drive... H60 Liquid Cooler Window 7 Pro 64 Bit 
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BenQ XL2430T Acer H243H Rosewill Illuminated Mechanical Gaming Keyboard... EVGA Supernova 1000P2 
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Azza Hurrican Blue Cooler Master Xornet My desk  Some old Altech Lansing 5.1 Speakers 
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AMD FX-8150 Asus M5A99x EVO EVGA GTX 480 SLI  8gb Corsair XMS3 
Hard DriveOptical DriveCoolingOS
Crucial M4 256 x 2 It's an optical drive, who cares H60 liquid cooler  Windows 7 Pro 64 bit 
MonitorMonitorKeyboardPower
Acer H243H Westinghouse WDE LCM-17v2 Rosewill Illuminated Mechanical Gaming Keyboard... Cougar 1050w modular  
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Azza Hurrican Blue Cooler Master Xornet Some old Altec Lansing 5.1 speakers 
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post #6 of 8
Thread Starter 
Quote:
Originally Posted by MrTOOSHORT View Post

You might want to bench and push a little more voltage and clocks, so the 1000w is a good idea.

I had a 990x with two GTX 480s on an AX850 and had shut downs, although I got an Antec HCP-850 and the problem was solved.

1000w is the way to go personally speaking and that psu is one heck of a unit.

Alright I'll go ahead and order it now then, Thanks
Tha Beast!
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Tha Beast!
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Hard DriveHard DriveCoolingOS
Kingston 480GB SSD HGST 2TB Corsair H100i Windows 10 Home 64-bit 
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AOC I2269VW-B 22" Razer BlackWidow Ultimate 2014 Corsair HX650 Corsair Vengance C70 Gunmetal 
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post #7 of 8
EVGA SuperNova P2 is a little bit better then the G2 and its 190$ on NCIX right now
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Seravee
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Intel Core I7 6850K Gigabyte X99 Ultra Gaming EVGA GTX 1080 FTW2 Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD60EZRX  WD Red WD80EFZX 8TB  Seagate Ironwolf Pro 10 TB 
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LG CH12NS30 x5 Noctua NF-A14 FLX Noctua NH-D15S Windows 7 64 Bit 
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Asus PG279Q LG 49UH750V 4K LED TV Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone EMP Roccat Sense Metor Sennheiser HD 598 
AudioAudioAudioAudio
Onkyo TX NR646  Harman Kardon HKTS 60 Dali Opticon Vokal x2 Dali Opticon 2 
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x2 Dali Opticon 1 CableMod E series PSU cable set CableMod LED Strips 
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post #8 of 8
Thread Starter 
Quote:
Originally Posted by shilka View Post

EVGA SuperNova P2 is a little bit better then the G2 and its 190$ on NCIX right now

I already ordered the 1000W G2 last night
Tha Beast!
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CPUMotherboardGraphicsRAM
Intel Core i7 4770K 4.4Ghz 1.25V ASUS Z87 Sabertooth EVGA GTX 1080 FTW2 iCX 2126/11GHz 16GB DDR3 2400Mhz 
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Kingston 480GB SSD HGST 2TB Corsair H100i Windows 10 Home 64-bit 
MonitorKeyboardPowerCase
AOC I2269VW-B 22" Razer BlackWidow Ultimate 2014 Corsair HX650 Corsair Vengance C70 Gunmetal 
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Razer Deathadder 2013 Razer goliathus Sound Blaster X-FI Xtreme Audio PCIe 
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Tha Beast!
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7 4770K 4.4Ghz 1.25V ASUS Z87 Sabertooth EVGA GTX 1080 FTW2 iCX 2126/11GHz 16GB DDR3 2400Mhz 
Hard DriveHard DriveCoolingOS
Kingston 480GB SSD HGST 2TB Corsair H100i Windows 10 Home 64-bit 
MonitorKeyboardPowerCase
AOC I2269VW-B 22" Razer BlackWidow Ultimate 2014 Corsair HX650 Corsair Vengance C70 Gunmetal 
MouseMouse PadAudio
Razer Deathadder 2013 Razer goliathus Sound Blaster X-FI Xtreme Audio PCIe 
  hide details  
Reply
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