Can I use this PSU with SLI 780's

VikramKumar · Jan 5, 2014

Hi guys quick question here regarding my setup. This is my setup currently.

Intel 15-4670k
Asus Maximus VI hero
8GB Corsair 1866 Dominator ram
Samdisk 480GB SSD
1TB Western Digital Black
LG DVD Rom
PNY 780 video card
Antec Tru Power 850watt PSU

Here is the link to the PSU. http://www.amazon.com/Antec-TruePower-Quattro-Supply-TPQ-850/dp/B000QW5X5Y/ref=sr_1_1?ie=UTF8&qid=1388981605&sr=8-1&keywords=antec+tpq+850

So I want to add a second 780. Can I do it with this PSU and also my I5-4670K is overclocked to 4.2.

Thanks

unknownofprob · Jan 5, 2014

yes you can with plenty of watts to spare. each card draws 250 watts and that's a total of 500 + the cpu which is 125 I think and the rest will be something around 770 watts. plenty enough there

esco_sid · Jan 5, 2014

GeForce GTX 780 Ti 2-way SLI - On your average system the cards require you to have a 800 Watt power supply unit as minimum. so should be fine as 780 is 1 bracket lower.

Sakkura · Jan 5, 2014

GTX 780 has a TDP of 250W and requires a 6-pin and an 8-pin connector. That power supply has 2 6-pin and 2 8-pin connectors, which is enough for two 780s. It also delivers sufficient power for a pair of 780s and an overclocked Core i5-4670K (the CPU won't draw much more than 100W).

patrick47018 · Jan 5, 2014

850W is the minimum recommended for SLI 780's. So it should be fine, but I'd get around a 1000W for OC room and such, but that's just me

Sakkura · Jan 5, 2014

unknownofprob :

The CPU has a TDP of 84W, but of course overclocking will push it somewhat higher. 4.2 isn't that far above stock though, so it's not a massive difference.

unknownofprob · Jan 5, 2014

Sakkura :

My bad I said i think but I was looking at the i7. 84 Watt TDP is correct.

EvgaLover · Jan 5, 2014

you will be just fine. Might wanna cut down on the overclocking but else you are just fine

VikramKumar · Jan 5, 2014

Ok Great but what about amps? Am I covered there? I just wanna make sure that is taken care of as well.

Thanks for all your help guys.

unknownofprob · Jan 5, 2014

VikramKumar :

looking at the PSU, yes, It'll run fine but make sure your case has good ventilation as dual 780's in LSI can get hot.

VikramKumar · Jan 5, 2014

My case is an Antec 1200. Great airflow and the 780's are the reference design. I chose that design cause I wanted the hot air that the cards will create to be exhausted out of the case. I guess then I am all set to install the second card then?

Thanks again

unknownofprob · Jan 5, 2014

VikramKumar :

Antec 1200, great choice and There shouldn't be any airflow issues there, enjoy!

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Can I use this PSU with SLI 780's

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