what PSU would this build need?

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Rogue Leader
750 is plenty, 550 would be fine as well if you want to save a few bucks. With 750 you could run 2 R9 280X in crossfire if you want to.

Look for the EVGA 750 B2, much higher quality than the one you picked and usually around the same price.
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Rogue Leader

Rogue Leader

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Dec 22, 2014
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750 is plenty, 550 would be fine as well if you want to save a few bucks. With 750 you could run 2 R9 280X in crossfire if you want to.

Look for the EVGA 750 B2, much higher quality than the one you picked and usually around the same price.
 
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Solution
Rogue Leader

Rogue Leader

It's a trap!
Moderator
Dec 22, 2014
32,772
2,837
113,640


900 watts is excessive for that, according to that site I need 800 for my 2 R9 280's. My system being AMD and with 3 drives surely uses more power than his and I pull a max of 605 watts from the wall during a benchmark test. Not sure why they over estimate so much, but I think maybe they base it on really really low efficiency PSU's.
 
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