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What power supply for 2xGTX 580 and SB 2600?

post #1 of 16
Thread Starter 
What power supply should I use for Dual SLI'd GeForce GTX 580 and a Sandybridge? I'm thinking a 1000W Corsair. Is that enough or too much power? Are there any brands you prefer over Corsair?
post #2 of 16
a decent 850w would handle it. I always feel more comfortable going with a little more power. 1000w is too much

seasonic is real solid
post #3 of 16
I'm thinking a good quality 750w should be fine. IIRC they aint power hungry like 480s.
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post #4 of 16
Thread Starter 
Quote:
Originally Posted by CtrlAltElite View Post
a decent 850w would handle it. I always feel more comfortable going with a little more power. 1000w is too much

seasonic is real solid
Is Seasonic better than Corsair at 850W?
post #5 of 16
Quote:
Originally Posted by Bamboozled View Post
Is Seasonic better than Corsair at 850W?
quality-wise they're about the same
post #6 of 16
Quote:
Originally Posted by Bamboozled View Post
Is Seasonic better than Corsair at 850W?
Corsair is just a Seasonic rebadge tbh. I prefer the Seasonics though.

Seasonic x850 has my vote.
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post #7 of 16
i have both the seasonc x850w and corsair ax 850w... both will handle 580s in sli fine... i prefer corsair for the all black sleeving
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post #8 of 16
Quote:
Originally Posted by CtrlAltElite View Post
a decent 850w would handle it. I always feel more comfortable going with a little more power. 1000w is too much

seasonic is real solid
Why not get a 1000w? Be prepared if you want to add another card, or power up water pumps, ect.
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post #9 of 16
Quote:
Originally Posted by Bamboozled View Post
What power supply should I use for Dual SLI'd GeForce GTX 580 and a Sandybridge? I'm thinking a 1000W Corsair. Is that enough or too much power? Are there any brands you prefer over Corsair?
Make sure you get the 2600K, the non-K edition CPU's have extremely limited overclocking.

An AX750 will do you nicely, if you plan on using the PSU for a long time and running a whole bunch of peripherals/more than 1 loop (not advised anyway, as testing has proven little to no gains over 1 loop) I would get the AX850.

Quote:
Originally Posted by Bamboozled View Post
Is Seasonic better than Corsair at 850W?
Between the Corsair AX850 and SeaSonic X850, the AX850 is better ONLY due to 7 year warranty being longer. Internally they are EXACTLY the same, as Corsair rebrands the SeaSonic units for most of their PSUs.

Quote:
Originally Posted by steadly2004 View Post
Why not get a 1000w? Be prepared if you want to add another card, or power up water pumps, ect.
AX750 can handle that, AX850 if you want to use this for more than 5 years and want that extra ~100w buffer.
Edited by Alex132 - 5/24/11 at 8:36am
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post #10 of 16
Are you going to oc the card? I would go for a 900w one don't trust cards with current limiters personally. would save you from getting one again if you ever go 3x way. They do 3x so smashing as well

With that said
Here's is a bargain
http://www.newegg.com/Product/Produc...82E16817322011

Here's the review
http://www.hardwaresecrets.com/artic...Review/1289/10
Edited by Spooony - 5/24/11 at 12:27pm
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