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Power for SLI'ing 2 8800 GTS 512 G92's?

post #1 of 2
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Ok so i am thinking about picking up a 2nd MSI 8800 GTS 512 MB G92 and SLI'ing, my current power supply below as you can see is a Hiper Modular Type R 580 watt modular PSU. Now i have used the site below which is a power calculator to tell me how much power i would need. The calculator suggests i would need about 517 watts. Should my current PSU be able to handle this job or do i need to go out and get another PSU. I dont want to get a new PSU if i dont have to, but i think maybe i just need a 2nd opinion. All my specs r listed below, thanks

http://www.extreme.outervision.com/p...ulatorlite.jsp
    
CPUMotherboardGraphicsRAM
Phenom II X6 1075T (Thuban) ASUS M4A89TD PRO USB 3.0 890FX EVGA GTX 470 Super Clocked Mushkin Enhanced Ridgebacks DDR3 1600 2 X 2 GB 
Hard DriveOptical DriveOSMonitor
Western Digital Caviar Black 640 GB ASUS 24X DVD Burner SATA Window 7 Home 64 bit 22" LG Wide Screen 
KeyboardPowerCaseMouse
Saitek Eclipse III Corsair 750TX NZXT Tempest EVO Razer Imperator 
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CPUMotherboardGraphicsRAM
Phenom II X6 1075T (Thuban) ASUS M4A89TD PRO USB 3.0 890FX EVGA GTX 470 Super Clocked Mushkin Enhanced Ridgebacks DDR3 1600 2 X 2 GB 
Hard DriveOptical DriveOSMonitor
Western Digital Caviar Black 640 GB ASUS 24X DVD Burner SATA Window 7 Home 64 bit 22" LG Wide Screen 
KeyboardPowerCaseMouse
Saitek Eclipse III Corsair 750TX NZXT Tempest EVO Razer Imperator 
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Reply
post #2 of 2
If I were you I'd buy another PSU. I have never had an SLI setup so I can't speak from experience but I don't know if I would want to have my wattage draw that close to my PSU's limit. You can grab a really great 600-700w PSU for a good price anymore so hopefully it won't be too painful.
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(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel E2180 @ 3.2 DFI P965 Dark EVGA 8800GTS SC 320MB (648/1728/945) 2Gb Corsair XMS2 DDR2 800 
Hard DriveOSMonitorPower
80GB Max, 200gb Seagate Windows XP Pro SP2 Dell 2001FP OCZ Powerstream 520w 
CaseMouseMouse Pad
Rocketfish (Lian Li A71-B) Logitech MX510 Performance Func 
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Blackbox
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel E2180 @ 3.2 DFI P965 Dark EVGA 8800GTS SC 320MB (648/1728/945) 2Gb Corsair XMS2 DDR2 800 
Hard DriveOSMonitorPower
80GB Max, 200gb Seagate Windows XP Pro SP2 Dell 2001FP OCZ Powerstream 520w 
CaseMouseMouse Pad
Rocketfish (Lian Li A71-B) Logitech MX510 Performance Func 
  hide details  
Reply
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