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Sli requirement

post #1 of 7
Thread Starter 
I am thinking about putting in another GTX 570, with my current set up, will I need a bigger PSU?

Not planning on overclocking anything.
post #2 of 7
Should be fine 750 is sort of the limit for sli 570s, plus that psu is a solid seasonic one.
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Intel Core i7 5930K  EVGA x99 Micro EVGA GTX 980 SC ACX 16GB Corsair DDR4 Vengeance LPX Black PC4-21300 
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500GB Samsung 840 EVO H105 Win 10 ASUS ROG PG279 
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Ducky Shine 1 MX-Red Corsair AX 860i  Fractal Design Node 804 Black 
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post #3 of 7
Thread Starter 
This question may sound dumb, but is there away to turn off the secondary GPU when I am not playing games? Would that be more energy efficient?
post #4 of 7
you're fine, plenty of threads on this issue already, which is why I felt comfortable putting 2 gtx470's (larger power consumption that 570) in my rig

good luck and enjoy the badassery of SLI

to your last question:

yes, change profile in Nvidia Manager (toolbar) ||or|| make individual profiles for each game
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i5-2500k @ 4.2ghz MSI P67A-GD65 (B3) EVGA GTX 670 FTW G.SKILLRipjawsX 8GB(2x4GB) 
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250gb Seasonic; 500gb WDCaviarBlack ASUS DRW-24B1ST H50 w/ 2 GT AP-15 Push/Pull as Intake Win 7 (64-bit) 
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CPUMotherboardGraphicsRAM
i5-2500k @ 4.2ghz MSI P67A-GD65 (B3) EVGA GTX 670 FTW G.SKILLRipjawsX 8GB(2x4GB) 
Hard DriveOptical DriveCoolingOS
250gb Seasonic; 500gb WDCaviarBlack ASUS DRW-24B1ST H50 w/ 2 GT AP-15 Push/Pull as Intake Win 7 (64-bit) 
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Asus VE248H 24" LED/LCD Thermaltake MEKA G1 Seasonic x750 HAF X 
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Razer Naga 
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post #5 of 7
/del
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CPUMotherboardGraphicsRAM
i5-2500k @ 4.2ghz MSI P67A-GD65 (B3) EVGA GTX 670 FTW G.SKILLRipjawsX 8GB(2x4GB) 
Hard DriveOptical DriveCoolingOS
250gb Seasonic; 500gb WDCaviarBlack ASUS DRW-24B1ST H50 w/ 2 GT AP-15 Push/Pull as Intake Win 7 (64-bit) 
MonitorKeyboardPowerCase
Asus VE248H 24" LED/LCD Thermaltake MEKA G1 Seasonic x750 HAF X 
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Razer Naga 
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CPUMotherboardGraphicsRAM
i5-2500k @ 4.2ghz MSI P67A-GD65 (B3) EVGA GTX 670 FTW G.SKILLRipjawsX 8GB(2x4GB) 
Hard DriveOptical DriveCoolingOS
250gb Seasonic; 500gb WDCaviarBlack ASUS DRW-24B1ST H50 w/ 2 GT AP-15 Push/Pull as Intake Win 7 (64-bit) 
MonitorKeyboardPowerCase
Asus VE248H 24" LED/LCD Thermaltake MEKA G1 Seasonic x750 HAF X 
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Razer Naga 
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post #6 of 7
Quote:
Originally Posted by komichi View Post
This question may sound dumb, but is there away to turn off the secondary GPU when I am not playing games? Would that be more energy efficient?
When you not in game they run in 2D specs which is like a fraction of the top speeds, therefore they use a lot less power.
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CPUMotherboardGraphicsRAM
Intel Core i7 5930K  EVGA x99 Micro EVGA GTX 980 SC ACX 16GB Corsair DDR4 Vengeance LPX Black PC4-21300 
Hard DriveCoolingOSMonitor
500GB Samsung 840 EVO H105 Win 10 ASUS ROG PG279 
KeyboardPowerCase
Ducky Shine 1 MX-Red Corsair AX 860i  Fractal Design Node 804 Black 
CPUGraphicsRAMHard Drive
Core i7 @ 2.6  GT650 16GB of 1600 MHz DDR3L SDRAM 256GB SSD 
OSMonitorKeyboard
Mac OSX Lion Retina Display US layout 
  hide details  
Reply
^3
(11 items)
 
   
CPUMotherboardGraphicsRAM
Intel Core i7 5930K  EVGA x99 Micro EVGA GTX 980 SC ACX 16GB Corsair DDR4 Vengeance LPX Black PC4-21300 
Hard DriveCoolingOSMonitor
500GB Samsung 840 EVO H105 Win 10 ASUS ROG PG279 
KeyboardPowerCase
Ducky Shine 1 MX-Red Corsair AX 860i  Fractal Design Node 804 Black 
CPUGraphicsRAMHard Drive
Core i7 @ 2.6  GT650 16GB of 1600 MHz DDR3L SDRAM 256GB SSD 
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Mac OSX Lion Retina Display US layout 
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post #7 of 7
From what I've seen in other threads 750-800 is more than enough for two SLI 580's plus leaves room for small amounts of OC on both GPU and CPU.
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