Cooler Master GX550 CM Storm 80 PLUS Bronze certified: up to 85% efficiency @ typical load | 100% Japanese capacitors | Powerful Single +12V rail for superior load balancing and VGA | compatibility. All series supports VGA up to Nvidia Titan. | Custom DC-DC module design offers higher efficiency and voltage | stability | Haswell C6/C7 support & zero load operation. | Stylish honeycomb vents design to keep better heat dissipation and | airflow. | ALL black flat cable for easier cable management. | Multiple Protection Design & High reliability.