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Corsair hx850 Gtx580 sli

post #1 of 8
Thread Starter 
Hey

I built my rig this Year. And was wondering if a Corsair hx850 would be enough to power 2 reference 580's. I have done some reading around. I am still not sure. Or should I just upgrade to something bigger like a ax1200

Cheers
Cosmo
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Cosmo
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post #2 of 8
You are fine, that psu will handle your setup a ok
Galbus
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Galbus
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post #3 of 8
HX850 will power them just fine.
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post #4 of 8
HX850 will handle it perfectly ok even with ur 2600k clocked very high. It will do stock and mild OCing comfortably but anything crazy like 900 core with 1.2v on the GTX 580 might be on the riskier side.
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post #5 of 8
will it handle it? hell yeah! will you be pushing it? hell yeah. If you already have it, keep it and use it.

What else will you be using in the build? I once had a corsair tx850 will a load at about 820-830 watts for about 6 weeks folding 24/7 and that thing held up strong. used it for another 7 months folding on and off and that thing never game up on me. recently sold it. i think the hx is a little better than the tx model.
post #6 of 8
Quote:
Originally Posted by Uncivilised View Post
HX850 will handle it perfectly ok even with ur 2600k clocked very high. It will do stock and mild OCing comfortably but anything crazy like 900 core with 1.2v on the GTX 580 might be on the riskier side.
if he needs that much for 900 core than his psu is the least of his concern (my 580 needs 1.088v for 900 core)

to op... you can overclock the heck out of everything if you want... your hx should be able to pull ~1000w from the wall without a hiccup. The only thing you'll lose is some efficiency.

I'd only recommend changing psus if you are going to add another 580 for trisli or if you are doing some subzero benching on your 580s.
Galbus
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Galbus
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CORSAIR AXi Series AX1500i Digital 1500W 80 PLU... Corsair Obsidian 750D Black Aluminum / Steel AT... Logitech G900 Chaos Spectrum Logitech 
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onboard Canon i-SENSYS LBP7680Cx (5089B014) Duplex 9600... Canon imageFORMULA DR-F120 (9017B002) 600 dpi U... Brother Personal Plain Paper Fax Machine, FAX-575 
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post #7 of 8
Thread Starter 
Awesome good stuff Thanks guys, I will be pushing my cpu.
Cosmo
(13 items)
 
  
CPUMotherboardGraphicsRAM
2600k Asus p8p67 Deluxe Asus Gtx 580 Corsair Vengeance 8Gb 
Hard DriveOptical DriveOSPower
Western Digital Caviar Black 2x 1TB Samsung 12X Blu-ray Win 7 Corsair HX-850 
Case
Corsair Graphite 600T 
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Cosmo
(13 items)
 
  
CPUMotherboardGraphicsRAM
2600k Asus p8p67 Deluxe Asus Gtx 580 Corsair Vengeance 8Gb 
Hard DriveOptical DriveOSPower
Western Digital Caviar Black 2x 1TB Samsung 12X Blu-ray Win 7 Corsair HX-850 
Case
Corsair Graphite 600T 
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post #8 of 8
Quote:
Originally Posted by CrimsonCube View Post
Hey

I built my rig this Year. And was wondering if a Corsair hx850 would be enough to power 2 reference 580's. I have done some reading around. I am still not sure. Or should I just upgrade to something bigger like a ax1200

Cheers
850W is plenty of power.


You'll even be able to OC them and your CPU heavily with headroom still.
Thoreal
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Thoreal
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