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What PSU would you recommend for new gaming rig?

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Last Modified: 2013-12-27
I'm in the process of planning a new PC but it's been afew years since i built one so not sure on the current power requirements of PC's.

CPU: I7- 920
MB: GA-EX58-UD4P
RAM: 6 gig
Graphics: ATI HD4870  times two.
Misc: 1gig HDD, DVD Burner
Case: CM - Storm Scout

Was going to add 3x 120mm fans to the case, already comes with 2x 140mm and a 120mm. Not sure about aftermarket cooler on the CPU or not, was going to wait and see how how it runs with good case cooling.

So my question is what wattage do i need from a PSU? Prices go up dramatically from 750w costing almost double for a 850w. I can get a 1300w Tagan for twice the price of a 750w Tagan and only $30 more than a 850w Tagan. But what do i really need? It's a gaming PC so i won't be stacking HDD's or CD Drives into it.

Cheers.
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Sr Windchill Consultant
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Billy RothSr Windchill Consultant
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Commented:
and just to clarify on two 4870s, with less than 700w you will see performance decrease.

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Commented:
I was under the impression that 'Tagan' are well known for quality PSU's, not true?
I like Antec but they make you pay more by making in LED's and stuff that's not needed.
Billy RothSr Windchill Consultant
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Commented:
i think antec has a flashy image but i do not think they are overpriced.  they tend to be quiet and cool for thier product class.  tagan is decent but i still recommend pc power and cooling well before anyone else, then coolermaster and ocz, then antec.  check out maximum pc forums, they have used pcpowerandcooling on thier dream machine issue every year because they simply are the best.

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Commented:
Thanks i'll go with a 750w Antec as my supplier doesn't sell pc power and cooling psu's.
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