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AX750 and 580 SLI?

post #1 of 23
Thread Starter 
I've read a few people running GTX 580's in SLI on the Corsair AX750.

What do you guys think? I have one right now and a 560 that I can sell or Step Up from EVGA. Only running 2 HD's and a few fans on a sandy bridge rig biggrin.gif
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WD Black Windows 7 x64 Corsair AX750 
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My System
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i5 2500k MSI P67A-GD65 (B3) EVGA GTX 560 SLI Corsair Vengeance 2x4GB CL8 1600 
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WD Black Windows 7 x64 Corsair AX750 
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post #2 of 23
I assume you'd be fine, but you'll be really close to that 750 watts max. I would recommend stepping it up a little bit if it's within your budget.
Lian Li a05n
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Lian Li a05n
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post #3 of 23
Thread Starter 
Yeah, it's just a pain swapping out PSU's though lol
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k MSI P67A-GD65 (B3) EVGA GTX 560 SLI Corsair Vengeance 2x4GB CL8 1600 
Hard DriveOSPower
WD Black Windows 7 x64 Corsair AX750 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k MSI P67A-GD65 (B3) EVGA GTX 560 SLI Corsair Vengeance 2x4GB CL8 1600 
Hard DriveOSPower
WD Black Windows 7 x64 Corsair AX750 
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post #4 of 23
AX750 is full modular tongue.gif get an 850 or 1200 and keep all your wires where they are and plug them into the new PSU should be relatively painless
Lian Li a05n
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[Cavier Black x2] [Vertex 2] [Custom Water Loop] [Windows 7 Ultimate 64] 
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[Filco Majestouch Tenkeyless] [Corsair AX850] [Lian Li a05nb - modded] [Logitech G9x] 
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[Sennheiser HD598] 
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Lian Li a05n
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[Cavier Black x2] [Vertex 2] [Custom Water Loop] [Windows 7 Ultimate 64] 
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[Filco Majestouch Tenkeyless] [Corsair AX850] [Lian Li a05nb - modded] [Logitech G9x] 
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post #5 of 23
You'll be fine, but at the limit when gaming/benchmarking.
Halcyon.Redefined
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Halcyon.Redefined
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post #6 of 23
Running stock clocks on the cards, You will be fine..
Maxx clocks on everything my rig pulls 643 watts from my PSU PEAK..
580s only pull a bit more power..
post #7 of 23
You could theoretically get away with tri-sli GTX 580s.

Each card needs 20A on the 12v rail and the AX750 is good for 62A... You have more than enough.

Edit... Remember that they can pull more than its rated wattage. Judging by benchmarks the AX750 can pull 900+ watts and STILL maintain 80+ efficiency.
Edited by BizzareRide - 4/7/11 at 8:31pm
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Po' Pimpin'
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post #8 of 23
Quote:
Originally Posted by BizzareRide;13044227 
You could theoretically get away with tri-sli GTX 580s.

Each card needs 20A on the 12v rail and the AX750 is good for 62A... You have more than enough.

3 cards is no go on a 750W
Halcyon.Redefined
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Halcyon.Redefined
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post #9 of 23
750w is cutting it close, are you overclocking if so get something higher.
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no name
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post #10 of 23
Thread Starter 
Quote:
Originally Posted by Capwn;13044214 
Running stock clocks on the cards, You will be fine..
Maxx clocks on everything my rig pulls 643 watts from my PSU PEAK..
580s only pull a bit more power..

only a little more?

I'd probably not OC if I ran SLI since it should be enough power to run my games.

And 3 cards? I thought 2 was pushing it lol. Either way, my board only allows me to run 2 cards.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k MSI P67A-GD65 (B3) EVGA GTX 560 SLI Corsair Vengeance 2x4GB CL8 1600 
Hard DriveOSPower
WD Black Windows 7 x64 Corsair AX750 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k MSI P67A-GD65 (B3) EVGA GTX 560 SLI Corsair Vengeance 2x4GB CL8 1600 
Hard DriveOSPower
WD Black Windows 7 x64 Corsair AX750 
  hide details  
Reply
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