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Whats the power requirement on a 8800GS?

post #1 of 10
Thread Starter 
I have an old 8800GS that I want to add to my system to booast my folding points. I already have a 460 installed that is taking up the PCI-E power connectors but I have a molex to PCI-E connector somewhere. My PSU is in my sig, it be able to handle both my 460 with it OC'd and the 8800GS which is not OC'd?
post #2 of 10
It should have no problem, but what will you use the 8800 GS for?
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CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
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post #3 of 10
Thread Starter 
Folding at home.
post #4 of 10
Quote:
Originally Posted by TwoCables View Post
It should have no problem, but what will you use the 8800 GS for?
Folding
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post #5 of 10
Quote:
Originally Posted by Captain_cannonfodder View Post
Folding at home.
I don't fold, so I don't know the answer to the question I am about to ask: will you be folding on the CPU and both graphics cards simultaneously? I mean even if so, then the VX550 should still have enough power.
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Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
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Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
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Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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post #6 of 10
Thread Starter 
Only going to be folding on the GPU's.
post #7 of 10
You'll be absolutely fine.
You'll still have plenty of room left for overclocking as well.
    
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post #8 of 10
Thread Starter 
even running the 8800GS from a molex to PCI-E connector?
post #9 of 10
8800GS only had a TDP of 106W.
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post #10 of 10
Quote:
Originally Posted by Captain_cannonfodder View Post
Only going to be folding on the GPU's.
The reason why I'm confident is because NVIDIA recommends a 450W to power a system with one GTX 460 in it, and that's even concerning power supplies with a 450W "peak" rating. The VX550 has a 550W "continuous" rating.

In addition, the 8800 GS under full load appears to pull an additional ~50W from the power supply according to this:

http://www.techpowerup.com/reviews/E...800_GS/21.html

They're measuring the power draw at the wall.

While idling, their test system was pulling 136W from the wall, and then it pulled 185W from the wall under maximum load making for a difference of 49W.

Finally, NVIDIA says that the GTX 460 could pull a maximum of 160W from the PSU under full load. So if folding causes the GPUs to be maxed out, then it sounds to me like the maximum power draw from the PSU between the two cards would be about 210W which leaves tons of power left over for folding on the CPU at the same time.
It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
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