Which PSU should I buy to support my SLI?

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Bernardo Oliveira

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Mar 8, 2014
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My actual config: i7 4770k, Z87-PRO, kingston hyperX beast 16gb, gtx 780, corsair CX750M

Planning on buying my second gtx 780, and my SSD drive. What PSU should I get?
 
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coastie65


The wattage is fine, it depends on what is on the rail and if it can handle sli. This thing ( see sig ) is pulling about 425w. Adding a second card would not add that much more to it.
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coastie65

coastie65

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May 26, 2010
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I have the Samne processor & Motherboard, but running a 680. I am using a Corsair AX850. Seasonic with full modular would also be nice. Either one will give you plenty for sli and a little headroom on the rail.
 
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C12Friedman

C12Friedman

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Jan 25, 2012
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Although I wouldn't recommend a CX750M for that build in SLI, if you have the PSU already, I don't see any need to up the wattage from 750. Sure, a SeaSonic 860XP would be nice but not really needed.
I say, run the CX750M.

If you want to invest in something electrical, I'll suggest a Kill-A-Watt meter to plug your PC into - you may just be surprised at how little power you actually need for SLI (less than 600W in most cases)
 
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coastie65

coastie65

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May 26, 2010
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The wattage is fine, it depends on what is on the rail and if it can handle sli. This thing ( see sig ) is pulling about 425w. Adding a second card would not add that much more to it.
 
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