Corsair Professional AX850 ATX12V & EPS12V Power Supply - 90% - 850 W
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Product Information for Corsair Professional AX850 ATX12V & EPS12V Power Supply - 90% - 850 W

Highlights for Corsair Professional AX850 ATX12V & EPS12V Power Supply - 90% - 850 W

  • Output Power:850 W
  • Efficiency:90%
  • Form Factor:Internal

Marketing Information

Unprecedented Power Protection

The Corsair Professional Series Gold power supply pushes the state of the art for reliable delivery of clean power under imperfect conditions. If you require mission-critical stability or you simply want one of the best power supplies available, the Professional Series Gold is for you.

A Fully Modular Cabling System

All cables detach from the power supply. During installation, this gives you the flexibility of using only the cables you need for a clean system build with optimal airflow. And, when it's time to replace or upgrade your power supply, it can be removed from your system without interfering with your cabling ? the cables stay in place and connect to your new fully-modular Corsair power supply.



  • Receptacles: 1 x 20+4pin ATX Motherboard
  • Environmental Conditions

    General Information

  • Product Type: ATX12V & EPS12V Power Supply
  • Manufacturer Part Number: CMPSU-850AX A
  • Manufacturer Website Address:
  • Manufacturer: Corsair Memory
  • Product Model: AX850
  • Product Name: Professional AX850 ATX12V & EPS12V Power Supply
  • Product Line: Professional
  • Brand Name: Corsair
  • Miscellaneous

    Green Compliance


    Green Compliance Certificate/Authority

    80 Plus Gold

    Physical Characteristics

  • Dimensions: 3.39" Height x 5.91" Width x 6.30" Depth
  • Form Factor: Internal
  • Power Description

  • Input Voltage: 110 V AC
  • Output Power: 850 W
  • Output Voltage: 3.3 V @ 25 A
  • Input Current: 15 A @220 V AC
  • Input Voltage Range: 90 V AC to 264 V AC
  • Number of +12V Rails: 1
  • Reliability

  • MTBF: 100000 Hour
  • Technical Information

  • Efficiency: 90%
  • Protection Type: Over Current
  • Number of Fans: 1
  • Power Factor Correction (PFC): Active
  • Warranty

  • Standard Warranty: 7 Year Limited