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Will this PSU be enough for a GTX 670

post #1 of 13
Thread Starter 
Bought this PSU a while back for my new build and already submitted my rebate form... getting kind of worried now.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817371016
will this be able to power a gtx 670 or even one of those windforce gtx670's with an 8 pin power plug?(I will have to use one of the molex adapters.)
post #2 of 13
You should be fine with a single 670.
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Millenium Falcon
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post #3 of 13
Thread Starter 
even one of the windforce cards?
http://www.newegg.com/Product/Product.aspx?Item=N82E16814125423
i will have to use a molex adapter for the 8 pin section but it still will be sufficient correct?
post #4 of 13
What else do you have in your system? GTX 670s don't draw a lot of power, so you should be fine with a 550W. My system draws 450W at the wall fully loaded, if that gives you any idea.
post #5 of 13
Thread Starter 
3770k (will overclock)
2ssds
1hd
optical drive
couple of case fans
post #6 of 13
Even with the windforce, the extra fans add maybe 5 watts max, the bulk of the power consumption stems from the GPU chip, which is the same.

It's when you're overclocking with major voltage increases (currently impossible with nVidia 6xx cards) that power consumption goes way up.
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post #7 of 13
Thread Starter 
So in the end the antec bp 550 I have, http://www.newegg.com/Product/Product.aspx?Item=N82E16817371016 , with its given specs (rails/amps) should be fine for my system with a windforce gtx 670 using a molex to 8 pin adpater, I won't run into any issues down the road? Thanks for all the help guys!
post #8 of 13
Don't worry about it, I've got my i7-3770K overclocked and drawing 100W along with my GTX 670 drawing an extra +10% power and my Corsair 650W has been serving me just fine for a couple of years now.
 
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post #9 of 13
Quote:
Originally Posted by bobblaine View Post

So in the end the antec bp 550 I have, http://www.newegg.com/Product/Product.aspx?Item=N82E16817371016 , with its given specs (rails/amps) should be fine for my system with a windforce gtx 670 using a molex to 8 pin adpater, I won't run into any issues down the road? Thanks for all the help guys!

That's odd. According to the specs the Antec BP550 has all the PCI-Express Connector you need ( 1 x 6-Pin and 1 x 6+2-Pin). That 6+2 works as a 8-pin. Power vice you should not have any issues even with a overclock on the CPU though I do recommend doing a load test to see how hot the PSU gets. What you should absolutely not do is use molex adapter if you can at all avoid it. They can very easily cause as many problems as they solve.
    
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post #10 of 13
Thread Starter 
Oh wow that's great! I didn't see that, I only saw "2 x PCI-E" so I assumed it only had 2, 6 pins. How can I test to see how hot the PSU gets and what should would be a normal temp range. Thanks so much for the help! Day just got a bit better but going to bed soon haha.
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