RE: r9 290 crossfire

Hi,
You are fine with this power supply. It has a single rail design with 70.8A which is enough for a CrossFire configuration with the 290 cards.

OUTPUT

Rail +3.3V +5V +12V +5Vsb -12V
Max output 24A 24A 70.8A 3.0A 0.5A
849.6W
120W 849.6W 15W 6W
Total 850W @ +50C

Regards

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