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I need a PSU for 1x 5970 + 2x 5870 please!

post #1 of 20
Thread Starter 
I need a recommendation on a PSU for 1x 5970 + 2x 5870. I basically don't have a budget but i don't need an overkill PSU also so please recommend me a good enough PSU. The CPU will be a low-end one and will run on stock so it really doesn't count. I'd prefer the PSU has enough cables (6-7 PCIe) for the GPUs as well, as my AX750 really only has 4x 6/8 PCIe. Thanks all and will rep!
Side question: Would this Seasonic X850 80+ Gold work?
Edited by Ocnewb - 5/18/11 at 1:56am
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~|Nanpa|~
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post #2 of 20
How about this?
    
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post #3 of 20
I recommend a good 1000W as a minimum for quadfire.
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post #4 of 20
The Corsair AX1200 wouldn't be to bad of an option. Good name, powerful PSU.
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post #5 of 20
Thread Starter 
Quote:
Originally Posted by Klue22 View Post
How about this?
That one looks good! Is ABS good?
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~|Nanpa|~
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post #6 of 20
Antec TruePower Quattro 1200W OC

Recently come down from $300 to $230
6 +12v rails
80 Plus Silver Certified
Modular
6 x 6-Pin & 6 x 6+2-Pin PCI-E Connections
Fan Control Knob/+12V Voltage Control Knob
post #7 of 20
You should get an 1000 W PSU for that setup, especially if it is going to be under sustained load for most of its time.
Edited by Riou - 5/18/11 at 7:12am
post #8 of 20
The TDP of a standard clocked 5870 is around 190w, and a 5970 is 295w from memory, so that's 675w A pretty solid 5ghz 2500k oc would be less than 150w I guess, taking you to 825 ish tdp, before you add anything else like drives etc. That's cutting it pretty fine on an 850w even one as good as the seasonic, I would say go for a decent 1000w. Personally I like the corsairs, and seasonics (same internals) for price and performance. But as long as you stick to a reputable psu brand (not coolermaster for example) you should be fine.

Disclaimer: All above TDP's are from memory and may or may not be even remotely accurate look them up yourself to be sure
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post #9 of 20
Quote:
Originally Posted by Dr216 View Post
The TDP of a standard clocked 5870 is around 190w, and a 5970 is 295w from memory, so that's 675w A pretty solid 5ghz 2500k oc would be less than 150w I guess, taking you to 825 ish tdp, before you add anything else like drives etc. That's cutting it pretty fine on an 850w even one as good as the seasonic, I would say go for a decent 1000w. Personally I like the corsairs, and seasonics (same internals) for price and performance. But as long as you stick to a reputable psu brand (not coolermaster for example) you should be fine.

Disclaimer: All above TDP's are from memory and may or may not be even remotely accurate look them up yourself to be sure
TDPs look accurate to me, those are stock though. OP if you plan on OCing then factor in some headroom.
    
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CPUMotherboardGraphicsRAM
i7 970 4.15 @ ~1.39v HT ON, Turbo Off EVGA x58 3x SLI 2x EVGA GTX 980 SLI (watercooled), 1x EVGA GTX ... 6 GB 1600 OCZ DDR3 Gold Edition 7-7-7-18 @1475Mhz 
Hard DriveOptical DriveOSMonitor
Samsung 840 SSD 250GB, 2xSamsungF3 1TB (Raid0) 22x Super Multi, 8x Blu-ray Reader Windows 7 Ultimate x64 2x Yamakasi Catleap Q270s (2560x1440) 
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post #10 of 20
Antec High Current Pro 1200/corsair ax1200/antec tp quattro 1200
is the best choice,
otherwise you can go with Silverstone Strider Gold 1000/corsair hx1000
http://www.newegg.com/Product/Produc...82E16817256068
silverstone strider gold1000
http://www.newegg.com/Product/Produc...82E16817139007
corsair hx1000
Edited by Aniket - 5/18/11 at 2:58am
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