Main Specifications

Corsair HX850W power supply specs include:

  • ATX12V 2.3
  • EPS12V 2.91
  • Nominal labeled power: 850 W at 50° C.
  • Measured maximum power: 1,000 W at 54.9° C.
  • Labeled efficiency: Up to 90%, 80 Plus Gold Certified.
  • Measured efficiency: Between 84.8% and 90.0% at 115 V (nominal, see complete results for actual voltage).
  • Active PFC: Yes.
  • Modular Cabling System: Yes.
  • Motherboard Power Connectors: One 20/24-pin connector and two ATX12V connectors that together form an EPS12V connector.
  • Video Card Power Connectors: Six six/eight-pin connectors (two permanently attached to the power supply, four using the modular cabling system).
  • Peripheral Power Connectors: Twelve in three cables (using the modular cabling system).
  • Floppy Disk Drive Power Connectors: Two converted from two peripheral power plugs.
  • SATA Power Connectors: Twelve in four cables (using the modular cabling system).
  • Protections: Over current (OCP), over voltage (OVP, not tested), over power (OPP), under voltage (UVP) and short-circuit (SCP, tested and working) protections.
  • Warranty: Seven years.
  • More Information:
  • Average price in the US*: USD 190.00.

* Researched at on the day we published this review.

Gabriel Torres is a Brazilian best-selling ICT expert, with 24 books published. He started his online career in 1996, when he launched Clube do Hardware, which is one of the oldest and largest websites about technology in Brazil. He created Hardware Secrets in 1999 to expand his knowledge outside his home country.