Corsair RM650 - Is it any good?

BPTMatthew

Honorable
Oct 11, 2013
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I am looking at building a new PC in a few weeks with the following parts:

Fractal Define R4
AMD FX8350
Corsair H80i
GTX 770
Corsair RM650 PSU

And have been reading reviews on the Corsair RM series power supplies, which seem to be quite mixed.
The main question is: are they any good?