Need good enough psu

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killer1850

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Jul 28, 2014
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Hello all, so here is my problem... Im building myself a gaming desktop, and im not sure about the psu... since Im putting into it 2 Sapphire tri-x r9 290x I don't know how many W are enough to be good... my cpu is a i7 4790k @4.0Ghz, and I have a MSi z97 gaming 9 AC.. tell if you neeed more specs
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The total draw of crossfire 290x has been measured at around 550w, and the tdp on the i7 is 88w in base configuration, so between those two components you're looking at a max draw of at least 638w just for those, plus whatever you need for mobo and other components. I would suggest at least 750w to be on the safe side, and make sure you have a pair of 6 and 8 pin pcie connectors, since you need one of each for the 290x
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viewtyjoe

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Jul 28, 2014
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The total draw of crossfire 290x has been measured at around 550w, and the tdp on the i7 is 88w in base configuration, so between those two components you're looking at a max draw of at least 638w just for those, plus whatever you need for mobo and other components. I would suggest at least 750w to be on the safe side, and make sure you have a pair of 6 and 8 pin pcie connectors, since you need one of each for the 290x
 
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volcanoscout

volcanoscout

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Jan 5, 2014
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