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post #11 of 13
LOL, that calculator says I need 1000w for my rig without the oc and I never pull more than 700w from the wall.

Edit: It says that my brothers rig I just built him needs a 900w and he runs just fine on a 650w.

You should be just fine on your current psu, but if you really want a new one for the upgrade, anything over 1000w is just a waste of money unless you plan on running 3-4 cards. I got my 1000w so I could tri-fire hten later realized I need more pci slots in my case to fit the third card sad-smiley-002.gif
Edited by john1016 - 6/3/13 at 5:46am
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post #12 of 13
Quote:
Originally Posted by Noviets View Post

I was told I would need well over 1000 watts for two 7970's and was referred to use This Calculator which tells me I need 1200 >.<<br /> And that's before the streamrollers crazy TDP

Again Your Rig Overclocked heavily isn't going to pull much more power then mine. And thats only if you have everything being pushed really hard.
Don't listen to those crummy PSU calculators as they over estimate by a long shot.
If anything getting a quality 1000w PS unit would be more then fine for you if you really want the extra headroom.

TDP does not equal wattage being used.


STOP using those calculators, they do nothing for you other then make you more confused.
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post #13 of 13
Thread Starter 
Thanks guys, Just saved me $400 biggrin.gif

I'll stay with the 875, No point in getting a bigger one unless I have problems. Reps given, cheers guys
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