Cougar CMX V3 Series 850 W @ techPowerUp
 

Cougar revamped their CMX series, and today, we take a close look at the CMX 850 W unit slotting in behind the 1 kW and 1.2 kW models of the series. It is Bronze certified, but achieves, according to Cougar, up to 89% efficiency, which is noteworthy for a unit of the bronze efficiency class.

http://www.techpowerup.com/reviews/Cougar/CMX_850W/