XFX 7870 Crossfire PSU Question

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trojan1107

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Hello guys I have a question about how many watts will I need to run this setup I got here. I want to do crossfire with 2 XFX 7870's.

GPU: 2X XFX 7870 GHz Edition 2GB
MOBO: ASRock H77 Pro4
HDD: Western Digital Caviar Blue 500 GB SATA III 7200 RPM
CPU: Intel Core i5 3550
RAM: Corsair XMS3 8GB (2 x 4GB) 1333MHz DDR3
SSD: OCZ Vertex Plus R2 60GB SSD
OPTICAL DRIVE: SONY Black 18X DVD-ROM

I am on a budget so I can't get like a $200 1000 Watt PSU or anything.
 
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drums101
so what is your budget? you could easily get away with a 750watt for two 7870s their tdp is around 175watts....I have been running 2 gtx 285's (tdp 205watts) and a power hungry first gen i7 at 4ghz for like 3 years now on a solid PCP&C 750watt unit.....I am partial to PCP&C I know their later models havent been the best but here is one from them for cheap
http://www.newegg.com/Product/Product.aspx?Item=N82E16817703027
$70 after Rebate and Promo Code and shipped

or
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139040
$86 shipped after rebate
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drums101

drums101

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so what is your budget? you could easily get away with a 750watt for two 7870s their tdp is around 175watts....I have been running 2 gtx 285's (tdp 205watts) and a power hungry first gen i7 at 4ghz for like 3 years now on a solid PCP&C 750watt unit.....I am partial to PCP&C I know their later models havent been the best but here is one from them for cheap
http://www.newegg.com/Product/Product.aspx?Item=N82E16817703027
$70 after Rebate and Promo Code and shipped

or
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139040
$86 shipped after rebate
 
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trojan1107

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My budget is about $60-$90 Thanks for the reply btw.
 
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drums101

drums101

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ok well both those PSU's fit into your budget...you prolly wont want to get anything cheaper than that...the PSU is the only component in a computer that can take other components with it so I wouldn't skimp on it.....both of the PSU's I linked to are great reliable PSU's I would have no problem putting either in my rig...if I had to choose I would get the PCP&C one bc I have had great luck with that brand bought a PSU in 2008 and its still powering my power hungry rig to this day without incident.
 
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bigcyco1

bigcyco1

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Feb 11, 2012
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lol just noticed and it depends where OP lives in Ca. not tax or shipping at tigerdirect at newegg there is tax and shipping
 
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trojan1107

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No it's not like I don't like the one that you gave me I am actually just waiting now for tommorow to order. Yes, I know you can't be cheap on the PSU which I'm not trying to at all. Thanks for all the suggestions. I think I'm gonna go with your 750 watt one.
 
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drums101

drums101

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really? newegg charges taxes and shipping if you live in CA? lol thats the same for tigerdirect I live near chicago and they charge me up the ass in taxes and shipping even though there is a store like 45mins from my house lol

and to the OP I didnt take it that way. I was just trying to convince you to go with the more "expensive" units... I was not insulted in anyway lol
 
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bigcyco1

bigcyco1

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Yeah newegg charge me tax and shipping i live in city Perris state California tigerdirect doesn't though
 
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trojan1107

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Lol what?!?! It says FREE SHIPPING for me.
 
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