Will a 650W gold rated PSU be enough for 2x EVGA GTX 760 (sli)

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shaunfarmer

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Jul 4, 2015
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As title suggests, will a Thermaltake EVO BLUE 2.0 650W (http://www.newegg.com/Product/Product.aspx?Item=N82E16817153182) handle 2 EVGA gtx 760 superclocked in SLI? I have put my PC build below to give a more accurate analysis.

CPU - i7 3770k
CPU Cooler - Hyper 212 Evo air cooler
GPU - Nvidia EVGA GTX 760 Superclocked
Motherboard - GIGABYTE Z77 (GA-Z77X-UD3H)
RAM - 3x4GB Kingston 1333MHz (9905403-405.a00lf)
PSU - Thermaltake EVO BLUE 2.0 650W
FANS - 6 PC fans

I have heard conflicting opinions regarding how much will be required to run 2 760's, some say 650W is fine as long as its gold rated, some say 850W minimum, etc.
I'm not planning to overclock anything yet.
 
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Forgotten031511

Forgotten031511

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Jun 1, 2015
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Gold rated has nothing to do with how well it will work for your system. All that means is that it is more efficient in using the power it draws from the wall, hence keeping your electric bill lower and not wasting energy.

The Thermaltake EVO BLUE 2.0 650W is not even rated on the PSU Tier List and very poor ratings, this tells me it is not a quality PSU. Running your system on a that PSU is rather risky. It'd be like driving a cheep car at the red line consistently, it's question of WHEN not IF the system will fail.

I would suggest this PSU: http://www.newegg.com/Product/Product.aspx?Item=N82E16817438017
 
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shaunfarmer

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Jul 4, 2015
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Thanks for the links. For 8 hours a day (usual amount of time), result was 588W, and for 24 hours (just to have a look); was 651W. I might upgrade to a 750W. Interested to hear other peoples opinions as well if my 650W will manage, or upgrade.
 
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