850W Enough for 2 Way SLI GTX 770s?

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Conor4011

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Feb 18, 2013
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I was going to get the Corsair HX850 850W 80 plus Gold Modular Power Supply and I need to know if it will handle these cards when I plan to add the second 770 in the future.

CPU: Intel i5 4670k
Mobo: ASUS Z87 PRO
GPU: EVGA GTX 770 SuperClocked w/ ACX Cooling (x2)
PSU: Corsair HX850
RAM: 8GB G.SKILL Ripjaws X Series (2x4GB)
HDD: 1TB Western Digital Black
Cooler: Cooler Master Hyper 212 EVO
SSD: Samsung 840 EVO 120GB
Optical Drive: Samsung DVD-ROM Drive

Is 850W enough or should I go for an 1000W PSU? The above parts are what my PC will be at its fullest, the SSD and 2nd 770 will be added later on.
 
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senkasaw

senkasaw

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Aug 2, 2010
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I am currently running 2 680's on that exact psu...it is enough. I am running a decent overclock on my cpu, but not the gpu's. If you want to overclock them you might want to get something bigger.
 
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houldendub

houldendub

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Dec 19, 2011
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1000w is just NOT needed. I'm running 2 760s on a Corsair 650TX and had recently been running two 7950s on it. I'd fathom a guess and say that you might even get away with a 750W PSU, but 850W will be absolutely fine either way.
 
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edogawa

edogawa

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Jan 4, 2012
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You will not need 1000 wattage unit.

This unit has enough amps and wattage to run 770's in SLI great.

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151120&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-na-_-na-_-na&cm_sp=&AID=10446076&PID=3938566&SID=
 
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Conor4011

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Feb 18, 2013
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That is an incredible deal actually. It is cheaper than the Corsair 850W even without $25 off. i guess it comes down to is Cooler Master a reliable brand? I would think so as it is rated 80 plus gold...
 
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