Corsair HX850 850 Watt 20+4 Pin ATX Power Supply - Black by Corsair

 

Platinum efficiency, fully modular and virtually silent
CORSAIR HX series power supplies give you extremely tight voltage regulation, quiet operation, Platinum-certified efficiency, and a fully modular cable set. Built with all Japanese 105°C capacitors, they’re a great choice for high performance PCs where reliability is essential.

Quiet, efficient operation
80 PLUS Platinum efficiency reduces operating cost and excess heat, and Zero RPM fan mode ensures virtual silence at low and medium loads.

100% Japanese 105°C capacitors
Premium internal components ensure solid power delivery and long term reliability.

Zero RPM Fan Mode
Since the fan doesn’t turn on until it’s needed, you’ll enjoy virtually silent operation at low and medium loads.