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How much power will be used? Will 500w psu be enough

post #1 of 7
Thread Starter 
Just curious here is my component list

i7-4770k @ 4.6ghz 1.31v
GTX 780
16gb DDR3 memory @ 1866mhz 1.5v *it overcloks well to 2400mhz @ 1.65v
2 or 3 ssds
the occasional USB device (thumb drives and external drives)
3.25 Liang DDC water pump

Will a 500w gold rated power supply be enough?


Thanks

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post #2 of 7
Personally I would go with a 600w minimum for that build. 500w would be cutting it might close with that system. Not to mention some 780s use two 8-pin connectors and most PSUs that low wattage have a single 6-pin and a 6+2-pin connector, not enough if the card has two eights.
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post #3 of 7
Thread Starter 
Quote:
Originally Posted by DiaSin View Post

Personally I would go with a 600w minimum for that build. 500w would be cutting it might close with that system. Not to mention some 780s use two 8-pin connectors and most PSUs that low wattage have a single 6-:opin and a 6+2-pin connector, not enough if the card has two eights.

Its a referance Asus 780 has a 6 and 8
post #4 of 7
Guru 3D says that the bare minimum for a 780 should be a 550w PSU, so I would personally not trust the 500w.

One thing though.. The PSU calc says 456w as minimum recommended, so a good 500w SHOULD work, but I personally would prefer more headroom than that. I would go with their minimum of 550w.


Sources
http://www.guru3d.com/articles_pages/geforce_gtx_780_review,9.html
http://www.extreme.outervision.com/psucalculatorlite.jsp
Edited by DiaSin - 3/14/14 at 2:11am
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post #5 of 7
Which PSU are you talking you listed wattage and 80 plus thhat does not say anything

And yes you could do it with a 500 watts

But as said above 550 watts would be better
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post #6 of 7
Depends how much you are overclocking the 780. If it's factory OC it's not too big of a deal, with oc you'd want 500-600 though.
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post #7 of 7
Thread Starter 
Quote:
Originally Posted by Cyro999 View Post

Depends how much you are overclocking the 780. If it's factory OC it's not too big of a deal, with oc you'd want 500-600 though.

Thanks
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