Seasonic X Series XM2 1250 W @ techPowerUp
 

Along with their Platinum units, Seasonic also revamped their Gold-certified line-up, and the fresh X-1050 and X-1250 now get to add "XM2" to their model numbers. In this review, we will evaluate the X-1250 -- its promise is to deliver high efficiency and top performance at an honest price.

http://www.techpowerup.com/reviews/Seasonic/SS-1250XM2/