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GTX 580 SLI with my sig rig?

post #1 of 10
Thread Starter 
I'm about 2 days from purchasing another 580. What I need to know is if 850W is enough. I am not planning on overclocking the video cards, but my processor is overclocked to 4.7 GHz. Any ideas?
post #2 of 10
Yes it would be fine.

System Wattage with GPUs in FULL Stress = 719W

I'm certain that's from the wall and when using furmark (furmark usually generates 50/100w extra, making it a little unrealistic)

If you take into consideration PSU efficiency of 85%, the actual power drawn by the PSU would be 611w. Your 850w is more than enough.
[source]
Edited by munaim1 - 10/9/11 at 7:08pm
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post #3 of 10
Thread Starter 
Is there any wattage points I should be worried about or am I like for sure safe with the wattage? Any necessary cooling options also?
post #4 of 10
u have enought power to overclock too
post #5 of 10
Yep you're fine with 850W, even with heavy overclocking on the CPU and your video cards.
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LG 34UM88C-P Logitech G810 Corsair HX850W Pro Series Corsair 750D 
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post #6 of 10
Thread Starter 
Quote:
Originally Posted by Juanchioo View Post
u have enought power to overclock too
Alright cool sweet. One question, even though it doesn't regard PSU at this point, I can't seem to tell the difference.

Any difference between the Fermi labeled one and the other? Same model number but one's labeled with Fermi and the specs and the other isn't. I'm going more for the one with the game since, hey, it's free :-)

One I want with game labeled as Fermi: http://www.tigerdirect.com/applicati...&sku=E145-1585

One that has same model number but doesn't have a free game :-(
http://www.tigerdirect.com/applicati...892&CatId=3669

BTW Gave rep to everyone whose answered.
Edited by lpjz50 - 10/9/11 at 6:54pm
post #7 of 10
^^^
specs look like they are the same between the two cards... and they both say Fermi under specifications. Good luck with your soon to be sli 580's.
And hey nice monitor
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post #8 of 10
Thread Starter 
Quote:
Originally Posted by gotasavage2 View Post
^^^
specs look like they are the same between the two cards... and they both say Fermi under specifications. Good luck with your soon to be sli 580's.
And hey nice monitor
Danke! I can't wait :3 Thank you all!
post #9 of 10
a quality unit (such as yours) will push an older (1156 and 1366 I7) and 2GTX580's in sli all overclocked easy.
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post #10 of 10
Quote:
Originally Posted by lpjz50 View Post
Alright cool sweet. One question, even though it doesn't regard PSU at this point, I can't seem to tell the difference.

Any difference between the Fermi labeled one and the other? Same model number but one's labeled with Fermi and the specs and the other isn't. I'm going more for the one with the game since, hey, it's free :-)

One I want with game labeled as Fermi: http://www.tigerdirect.com/applicati...&sku=E145-1585

One that has same model number but doesn't have a free game :-(
http://www.tigerdirect.com/applicati...892&CatId=3669

BTW Gave rep to everyone whose answered.

both are EVGA 015-P3-1582-AR so exactly the same lol get the one with the free game = win
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it looks alive
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Sandy Transformed
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Hard DriveHard DriveCoolingOS
Intel X25-M G2 80GB 3x Samsung F3 500GB RAID 0 EK Supreme HF Full Copper Windows 7 Ultimate 64bit 
MonitorPowerCaseAudio
LG42SL9500 42" 1080p [Surround Soon] XFX XXX Edition 650w Xigmatec Elysium JVC HA-RX700 [foam mod] 
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