Tom's Hardware > Forum > CPU & Components > Power Supplies, PC Cases & Case Mods > Is Corsair's 850watt Single Rail PSU Enough for Tri-SLI-GTX 260's?

Is Corsair's 850watt Single Rail PSU Enough for Tri-SLI-GTX 260's?

Forum CPU & Components : Power Supplies, PC Cases & Case Mods - Is Corsair's 850watt Single Rail PSU Enough for Tri-SLI-GTX 260's?

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wick001   06-02-2009 at 09:40:30 PM

Is the Corsair 850watt Single Rail PSU enough for Tri-SLI GTX 260's 216 core?

I'm building a system today and need to know asap. E8500, EVGA 780i board, 4 gigs ram.

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theAnimal   06-03-2009 at 12:12:32 AM
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Which 850W Corsair?

I would recommend 2x GTX275 instead.

------------------------------ *How To Ask For New Build Advice*
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AKM880   06-03-2009 at 12:19:12 AM
- 0 +

I think he's referring to the "new" modualr 850W Corsair PSU I think.

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jtt283   06-03-2009 at 02:19:41 PM
- 0 +

The PSU size calculator doesn't provide for 3-way SLI, but doing some extrapolating (another 117W for card #3), I got only 557W. That makes some assumptions, of course, including a CPU overclock and a total of 4 standard 120mm fans.
In any case, the answer appears to be a clear "Yes."

Edit: calculator at http://www.extreme.outervision.com/PSUEngine.


Message edited by jtt283 on 06-03-2009 at 02:20:27 PM
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cliffro   06-03-2009 at 02:23:35 PM
- 0 +

or the TX850.
Either way they should both be similar in performance.

------------------------------ Intel Xeon E3110@3.4ghz/GA-P35-DS3L/4gigs DDR2-800(@756)/EVGA GTX 260 Core 216 55nm
/2xSeagate 320 1x160/Corsair 850 TX/21" Dell P1130 & M781s/ Vista Ult. 64 SP1

 

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XMSYellowbeard   06-05-2009 at 06:01:47 PM
- 0 +

Yes it has enough power do run the 3 x SLI GTX 260s. However, as noted and if you don't already own the 260s, 2 x 275s would a better option all around.

------------------------------ Official Corsair Tech Support. If You Need Help, Just Ask.
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