New PSU that will support 780 ti in SLI

ChrisR83 · Apr 20, 2014

So come to find out my 850W AZZA Dynamo PSU is crap. I am looking around for a new PSU that will have enough power to run GTX 780 ti in SLI that is compatible with my Asus P9X79 LE board.

Would the PSU listed below work? Any other suggestions would be appreciated I would like to keep it under $200 if possible.

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139011

Ahmadjon · Apr 20, 2014

I would recommend you Seasonic X-850, it's probably the best 850W PSU on the market. Fully modular with gold efficiency

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: SeaSonic X Series 850W 80+ Gold Certified Fully-Modular ATX Power Supply ($167.98 @ SuperBiiz)
Total: $167.98
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-04-20 14:31 EDT-0400)

Danbuscus25 · Apr 20, 2014

http://pcpartpicker.com/part/xfx-power-supply-p1850bbefx this will also work, the one you posted is just fine.

Henrik Jensen DK · Apr 20, 2014

According to this list:
http://www.realhardtechx.com/index_archivos/Page362.htm

- you need at least 950 Watt to power a system with 2 x GTX 780 Ti.

I'd get this:
http://www.newegg.com/Product/Product.aspx?Item=N82E16817207019

XFX ProSeries P1-1000-BELX 1000W ATX12V V2.2 & ESP12V V2.91 SLI Ready CrossFire Ready 80 PLUS PLATINUM Certified Full Modular Active PFC Power Supply

Ahmadjon · Apr 20, 2014

Henrik Jensen DK :

850W PSU is sufficient for GTX-780ti SLI http://www.tomshardware.com/answers/id-1986849/850w-psu-power-build-gtx-780-sli-4770k.html

Danbuscus25 · Apr 20, 2014

henrick, that estimation is incorrect, each card has a max draw of 290 watts, so 2 of them is 580 watts, cpu is ~85 so 665 watt, and everything else will only take up ~100-150 watt.

Henrik Jensen DK · Apr 20, 2014

Thank you for correcting me, guys!
I won't use that homepage anymore for estimates since it's incorrect

Danbuscus25 · Apr 20, 2014

no problem

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New PSU that will support 780 ti in SLI

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