Corsair CS Modular 550W
 

If you are in need of a mid-range power supply, make sure you check out this review of the Corsair CS modular 550W PSU. They say you can't have too much of a good thing. Component manufacturer Corsair is clearly of this thinking as the company is adding yet another range of power supplies to its burgeoning line-up, now encompassing eight distinct models. The latest entrant is dubbed the CS Series Modular, available in capacities from 450W through to 750W, and rated to the 80 PLUS Gold standard with respect to efficiency.

http://www.hardocp.com/news/2013/11/..._modular_550w/