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how much power for sli 570

post #1 of 11
Thread Starter 
what kind of power supply would i need to run 2x gtx 570's in sli in my sig rig. with both gpu's and my cpu overclocked fairly heavily.

if this helps, i have 4 hard drives 2 dvd/bluray drives, xspc rasa 750 water cooling kit, and 8x gt ap-15s
Edited by AliceInChains - 2/28/11 at 6:20pm
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post #2 of 11
Corsair 750 would be perfect
post #3 of 11
a quality 750 or mediocre 850.. i had 570 sli oc'd on a corsair ax750 no problems
post #4 of 11
Thread Starter 
Quote:
Originally Posted by koven View Post
a quality 750 or mediocre 850.. i had 570 sli oc'd on a corsair ax750 no problems
so my corsair could handle it no problems? its a tx 750.
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CPUMotherboardGraphicsRAM
2600k p8p67 deluxe reference gtx 680 Ripjaws(blue)1866, 8-9-8-24-2t 
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c300, 2X WD CAVAIAR BLACK 640GB RAID 0 LG Bluray/Dvd Rewriter 7 Ult Gateway 24" lcd 1920x1200 
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My System
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CPUMotherboardGraphicsRAM
2600k p8p67 deluxe reference gtx 680 Ripjaws(blue)1866, 8-9-8-24-2t 
Hard DriveOptical DriveOSMonitor
c300, 2X WD CAVAIAR BLACK 640GB RAID 0 LG Bluray/Dvd Rewriter 7 Ult Gateway 24" lcd 1920x1200 
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Lycosa Corsair 750w tx Cooler Master HAF 932 black g9 
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post #5 of 11
GTX570 is a 220w GPU. 750TX can pull 60a/720w on 12v and usually does a bit more than its specs (not recommend full load) so it should be fine.
post #6 of 11
You'll need a quality 750W IMO, will provide sufficient OC headroom. TX750 should handle it just fine.
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post #7 of 11
Thread Starter 
ok i pulled the trigger. now that i got what i wanted ill let you guys in. newegg has msi gtx 570's twin frozr on open box sale for $275 each.

grab em while you can. this is one hell of a deal.

+rep to all

edit: wow that was fast! they are out of stock already. good thing i ordered my second after i got a couple responses in this thread.
Edited by AliceInChains - 2/28/11 at 6:29pm
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
2600k p8p67 deluxe reference gtx 680 Ripjaws(blue)1866, 8-9-8-24-2t 
Hard DriveOptical DriveOSMonitor
c300, 2X WD CAVAIAR BLACK 640GB RAID 0 LG Bluray/Dvd Rewriter 7 Ult Gateway 24" lcd 1920x1200 
KeyboardPowerCaseMouse
Lycosa Corsair 750w tx Cooler Master HAF 932 black g9 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
2600k p8p67 deluxe reference gtx 680 Ripjaws(blue)1866, 8-9-8-24-2t 
Hard DriveOptical DriveOSMonitor
c300, 2X WD CAVAIAR BLACK 640GB RAID 0 LG Bluray/Dvd Rewriter 7 Ult Gateway 24" lcd 1920x1200 
KeyboardPowerCaseMouse
Lycosa Corsair 750w tx Cooler Master HAF 932 black g9 
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post #8 of 11
like others said, corsair 750w and you're good to go
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Corsair TX 850W V2 HAF 932 
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Corsair TX 850W V2 HAF 932 
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post #9 of 11
Your current Corsair 750W is good enough, at least when you do not overclock the two GTX570s.

Guru3d tested a single GTX570 and a pair and this is their recommendations: 800 to 1000W (the higher the overclocking are the cards, the closer to 1000W should the PSU be)

http://www.guru3d.com/article/geforc...-sli-review/13
http://www.guru3d.com/article/geforce-gtx-570-review/8

post #10 of 11
i ran it with 2 580 so your good
Kill Bill
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Kill Bill
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2x Crucial M4 64GB Raid-0 2x WD Caviar Blue Raid-0 not in service Vista 64Bit Dell U2412M 1920x1200 IPS :) 
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9 Year old HP Antec Truepower Quattro 1200w Antec 1200 Razer DeathAdder 3500DPI 
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Stock Intel Realtek 
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