Will 850W Be Enough For 3 R9 270x's

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You can't run 270s in 3 way Crossfire so I am assuming you will be using them for mining? That means continuous 100% GPU usage. I would feel better with a 900w unit myself but a very high end 850w Seasonic built or Super Flower built unit would probably do it.
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Deleted member 217926

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You can't run 270s in 3 way Crossfire so I am assuming you will be using them for mining? That means continuous 100% GPU usage. I would feel better with a 900w unit myself but a very high end 850w Seasonic built or Super Flower built unit would probably do it.
 
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nvalhalla

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Mar 14, 2006
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Yeah, thats enough. GPU has max of 225w, so 3 will do 675w, giving you about 200w for the rest of the PC. Realistically, the cards will likely only pull about 200w fully loaded, so you should be fine.

Also, make sure you get a very good 80Plus rating if you are using this for bitmining.
 

JoshuaTreezz

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What about a high end Corsair?