GTX970 SLi psu question?

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MaTpr0F

MaTpr0F

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Nov 8, 2013
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Hello Everyone!

So, I'm planning to buy a GTX970 and another one in the future.

I have a Seasoninc G650 PSU. I've used two GTX760's and an FX8350 with this psu before. Now I have a 4670K wich needs less power and according to the specifications the 970 consumes less power than the 760.

So should I try an other 970 in the future or I need a better PSU?
 
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nostall
I just answered this for another forum member. Here you go:
The card itself is maxxed out at 145watts (or a little over 12amps) according to Nvidia. Nvidia recommends a 500watt PSU with 28amps on the +12V rail for the entire system when running one 970 card and NOT overclocking anything.
RealHardTechX (http://www.realhardtechx.com/index_archivos/Page362.htm) has a chart showing a recommendation of 700 watts for two GTX 970's in SLI.
That Seasonic(Iam assuming you are talking about the S12G-650 of SSR-650RT) has 54amps on the 12volt rail, and that is a continuous power rating at 50Celsius; Even at full power the 970 cards should not take more then a little over 24amps, leaving power for the rest of the system; and nothing in your PC is...
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nostall

nostall

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Nov 28, 2012
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I just answered this for another forum member. Here you go:
The card itself is maxxed out at 145watts (or a little over 12amps) according to Nvidia. Nvidia recommends a 500watt PSU with 28amps on the +12V rail for the entire system when running one 970 card and NOT overclocking anything.
RealHardTechX (http://www.realhardtechx.com/index_archivos/Page362.htm) has a chart showing a recommendation of 700 watts for two GTX 970's in SLI.
That Seasonic(Iam assuming you are talking about the S12G-650 of SSR-650RT) has 54amps on the 12volt rail, and that is a continuous power rating at 50Celsius; Even at full power the 970 cards should not take more then a little over 24amps, leaving power for the rest of the system; and nothing in your PC is going to draw full power all the time.
You will probably be just fine with that Seasonic power supply and two 970's
980's will require more power.
 
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