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How much wattage is good for this 2X 7970 build?

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November 8, 2012 11:32:14 PM

Hey guys... just wondering about something that's been driving me mad for some time...
I'm thinking of building a gaming PC soon... here are the specs, just want to know what would be a suitable power supply, since all the PSU calculators give me diffent PSU recommendations...

CPU: AMD FX 8350
dual 7970s crossfire
crosshair V formula motherboard
samsung 830 128 GB SSD
2X2 T.B Seagate Barracuda @7200 RPM
Blu-ray reader/DVD writer
4X4 GB 1866MHZ ram
Antec water cooling kit
I'm thinking of an OK overclock, just reasonable stuff: CPU @4700MHZ and GPU just up a notch.
So guys, what PSU is good?
Thanx
a b ) Power supply
November 8, 2012 11:49:28 PM

Normally, I recommend a good 750w PSU for SLI/Crossfire setups but that card will pull some power. I would go with a good 1k PSU to be safe.

Although the "needed" wattage is probably somewhere between a good 750 and 1k.
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Anonymous
November 9, 2012 2:22:56 AM

overclocked fx 8350 takes up a ton of power
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November 9, 2012 2:40:06 AM

dsub1994 said:
Hey guys... just wondering about something that's been driving me mad for some time...
I'm thinking of building a gaming PC soon... here are the specs, just want to know what would be a suitable power supply, since all the PSU calculators give me diffent PSU recommendations...

CPU: AMD FX 8350
dual 7970s crossfire
crosshair V formula motherboard
samsung 830 128 GB SSD
2X2 T.B Seagate Barracuda @7200 RPM
Blu-ray reader/DVD writer
4X4 GB 1866MHZ ram
Antec water cooling kit
I'm thinking of an OK overclock, just reasonable stuff: CPU @4700MHZ and GPU just up a notch.
So guys, what PSU is good?
Thanx


Xfx 850w
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Best solution

a c 122 ) Power supply
November 9, 2012 3:29:42 AM

Actually because of price i would go for http://www.newegg.com/Product/Product.aspx?Item=N82E168... it's a great deal
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November 10, 2012 2:20:01 AM

get 1000watts. Cheaps are from OCZ. But I would recommend corsair if u had the cash. I would also recommend you to get 2 670 as they consume much less power.
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a b ) Power supply
November 10, 2012 2:29:22 AM

Well I wont lie to you but the PCP&C power supply listed is at a fantastic price right now. It's also a top notch brand, take a look at this tier list of power supplies and it falls within tier 2 just like the power supplies I listed. So I would go with Bigcyco's power supply as well.
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November 21, 2012 5:55:13 AM

Best answer selected by dsub1994.
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