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Is 750W enough for my build? (SLI)

Tags:
  • Power Supplies
  • 780
  • Components
  • Build
  • Corsair
  • Nvidia
  • Gtx
  • SLI
Last response: in Components
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September 8, 2014 10:11:15 PM

Here's my current build
CPU: Intel core i5 4670k
Graphics Card: GTX 780
Motherboard: Gigabyte z87x-ud3h
RAM: 16 GB Corsair vengeance
Cooler: Corsair H80i
Hard drive: 2x Western Digital Caviar Black 1TB
Fans: 4x AF140 and the two fans mounted on the H80i
and my PSU, which is a Corsair TX750

I am upgrading my display to a 1440p monitor, so I want to run SLI GTX 780's in my system to run that. Is my current PSU powerful enough for two 780's or would I need to upgrade to a 800w or 1000w PSU? Would a bigger PSU really be necessary for SLI, or could I stick with my current PSU? Thanks for taking the time to read this, I hope to hear what you may think :) 

EDIT:
I also dont plan on doing any overclocking to my CPU or Graphics cards

More about : 750w build sli

September 8, 2014 10:13:37 PM

Yes man! 850 to 1000W.
750W psu is for r9 280 crossfire.
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September 8, 2014 10:25:10 PM

i have a pair of overclocked GTX 780 cards and according to my APC unit i never drew more than 680 watts from the wall. and that's with an H110 water cooling unit, 2 SSDs, 5 HDDs, 4 fans and my phone and ipad charging from the USB ports.

i think 750 watts would suffice as long as it can provide around 65 amperes on the 12V rail or better.
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!