Is a 750 Watt PSU enough for this build?

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AJScott755

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Mar 11, 2014
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Hey guys I have just put together a new build and plan to run another graphics card, here are my current specs:

i5-4670k
Coolermaster hyper 212 evo
ASUS Z87-A
16GB Corsair 1866mhz low profile ram
SanDisk Extreme 120GB SSD
Western Digital 2TB Black
Generic 24x CD/DVD Drive (can't remember brand, not that important.)
3 Chassis fans
MSI GTX 660 Ti Power Edition 2GB

I plan to buy another 660 Ti, ideally the Zotac one as you cannot buy that exact MSI one anymore.

I currently have a 750 Watt PSU, is this going to be enough, or will I need a bigger one for when I get the graphics card?

Edit: My PSU is a modular one, I'll need 2 more 6 pin connectors for a new 660 Ti, and my PSU only has enough cables for my current 660 Ti, where is a good place to get them? It's a Novatech branded PSU.
 
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HiTechObsessed
As said above, 750w is plenty for your setup. I would definitely not trust that PSU though. A 750w PSU that only supplies power connectors for a single GPU means they don't trust it enough to do anymore (bad sign lol)

Here's a perfect power supply for the setup you're looking for:

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: Rosewill Capstone 750W 80+ Gold Certified Semi-Modular ATX Power Supply ($69.99 @ Newegg)
Total: $69.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-05-20 09:49 EDT-0400)


And Dylzan, obviously a 780 would be better, but you're talking about a price difference of hundreds...
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Dylzan

Dylzan

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Aug 2, 2013
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AJScott755

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Mar 11, 2014
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What about the Corsair RM850, I can get one of these locally cheaper than on the Corsair website?
http://www.corsair.com/en-gb/rm-series-rm850-80-plus-gold-certified-power-supply
 
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marc79

marc79

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Feb 14, 2013
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Which 750W psu do you have exactly? A quality 750W psu will run that setup with a lot of heardroom for overclocking both cpu and gpu's. My SLI 660's non ti pulled less than 400W from the wall with a 4770k in games. That setup won't pull more than 450W from the wall, each 660 Ti has low tdp of around 150W.

 
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HiTechObsessed

HiTechObsessed

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Dec 3, 2013
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As said above, 750w is plenty for your setup. I would definitely not trust that PSU though. A 750w PSU that only supplies power connectors for a single GPU means they don't trust it enough to do anymore (bad sign lol)

Here's a perfect power supply for the setup you're looking for:

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: Rosewill Capstone 750W 80+ Gold Certified Semi-Modular ATX Power Supply ($69.99 @ Newegg)
Total: $69.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-05-20 09:49 EDT-0400)


And Dylzan, obviously a 780 would be better, but you're talking about a price difference of hundreds of dollars, and I wouldn't trust that power supply to not kill the 780 anyway lol
 
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