The HX series power supplies from Corsair are characterized by extremely precise voltage regulation, virtually silent operation, Platinum-certified efficiency, and a fully modular cable set. Thanks to the exclusive use of Japanese 105-degree capacitors, these power supplies are excellent for high-performance PCs where reliability is essential. Corsair Power Supply HX850W 850W, Cooling Type: Active, 80 PLUS Certification: Platinum, Power Supply Rated Power: 850 W, Power Supply Cable Type: Fully modular, Power Supply Form Factor: ATX.