750w good enough for cf 280

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900W is still overkill, R9 280X crossfire can run off a good quality 750W PSU.

I do recommend the HGC-900, I have one also. Best to have watt headroom, always.

an 800W PSU is just enough for R9 290/X crossfire.

Depending on the quality of the 750-850W PSU, you shall be fine.



900W is still overkill, R9 280X crossfire can run off a good quality 750W PSU.

I do recommend the HGC-900, I have one also. Best to have watt headroom, always.

an 800W PSU is just enough for R9 290/X crossfire.

Depending on the quality of the 750-850W PSU, you shall be fine.

 
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