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Item#: N82E16817139014

CORSAIR Professional Series Gold AX1200 (CMPSU-1200AX) 1200W ATX12V v2.31 / EPS12V v2.92 SLI Certified 80 PLUS GOLD Certified Full Modular Active PFC Power Supply

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  • ATX12V v2.31 / EPS12V v2.92
  • Full Modular
  • 80 PLUS GOLD Certified
  • 90 - 264 V
  • +3.3V@30A, +5V@30A, +12V1@100.4A, -12V@0.8A, +5VSB@3.5A
  • ATX12V & EPS12V Power Supply
  • 110 V AC 220 V AC
  • 80 Plus Gold

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

The Corsair Professional Series GOLD AX1200 modular power supply is 80 Plus Gold certified to deliver at least 90% efficiency at 50% load, cutting down your electricity bill and reducing heat generation. Flat, low-profile modular cables allow for easy cable routing and increased airflow.

Ideal for performance enthusiasts for whom consistent delivery of rated power output is essential, the GOLD AX1200 delivers 1200W of stable, continuous rated power at ambient temperatures of up to 50° C. Server-grade power train architecture and high quality Japanese capacitors provide uncompromised reliability and long lifespan. Fully compatible with the ATX12V v2.31 and EPS12V 2.92 standards, the GOLD AX1200 also builds in over-voltage, over-current, under-voltage and short circuit protections for maximum safety to your critical system components.

  • newegg ATX12V and EPS12V Compatible Supporting the latest ATX12V v2.31 and EPS12V v2.92 standards and backward compatible with ATX12V v2.2 and ATX12V v2.01 systems, the Corsair Professional Series GOLD AX1200 provides maximum power stability to drive the processors as well as other components for desktop and server computer systems.
  • newegg 80 PLUS Gold Certified The 80 PLUS Gold certified power supply provides high power efficiency of at least 87% at any load between 20% and 100%, saving your money on your electrical bill, reducing heat in your computer's system and prolonging its life.
  • newegg 1200W Continuous Power with Single Strong +12V Rail The Corsair Professional Series GOLD AX1200 delivers 1200W reliable, continuous output for high-end computer systems. A strong +12V single rail ensures the maximum provision of 12V power for ultra-high end NVIDIA SLI and ATI CrossFireX gaming PCs based around multi-core CPUs.
  • newegg Flat Modular Cable Design The fully modular cable design allows only use of the cables you need to improve internal airflow and reduce clutter. Additionally, low-profile, flat cable design reduces air friction and helps maximize airflow through your computer's chassis.
  • newegg Ultra-quiet 140mm Dual Ball-bearing Fan The Corsair Professional Series GOLD AX1200 utilizes a low-noise, thermally-controlled 140mm fan, and employs sophisticated techniques to enhance cooling performance and reduce noise. This includes a specially designed PCB that channels airflow to reduce back-pressure and maximize the fan’s cooling ability.
  • newegg SLI & CrossFire Ready With 6 x 6+2-pin PCI-E connectors, the Corsair Professional Series GOLD AX1200 is ideal for building flexible SLI or CrossFireX gaming system.

Learn more about the Corsair Gold AX1200 (CMPSU-1200AX)


Gold AX1200 (CMPSU-1200AX)
Professional Series


ATX12V v2.31 / EPS12V v2.92
Maximum Power
1 x 140mm double ball-bearing fan
Main Connector
+12V Rails
PCI-Express Connector
6 x 6+2-Pin
SATA Power Connector
SLI Certified
Haswell Support
Full Modular
80 PLUS GOLD Certified
Over Voltage Protection
Input Voltage
90 - 264 V
+3.3V@30A, +5V@30A, +12V1@100.4A, -12V@0.8A, +5VSB@3.5A
>100,000 Hours
UL, CUL, CE, CB, FCC Class B, TUV, CCC, -tick.
5.9" x 3.4" x 7.3"
ATX12V & EPS12V Power Supply
+12V Rails
> 90%
80 Plus Gold


Input Voltage
110 V AC 220 V AC


1 x Main connector (20+4Pin)
2 x 4+4-Pin ATX/EPS 12V
12 x Peripheral
16 x SATA
2 x Floppy
6 x PCI-E
The latest ATX12V v2.31 and EPS 2.92 standards and it is backward compatible with ATX12V 2.2 and ATX12V 2.01 systems.
An ultra-quiet double ball-bearing fan delivers excellent airflow at an exceptionally low noise level by varying fan speed in response to temperature.
80PLUS Gold certified, delivering up to 90% energy efficiency at real world load conditions.
Active Power Factor Correction (PFC) with PF value of 0.99.
Universal AC input from 90~264V. No more hassle of flipping that tiny red switch to select the voltage input!
A dedicated single +12V rail offers maximum compatibility with the latest components.
Over-voltage and over-current protection, under-voltage protection, and short circuit protection provide maximum safety to your critical system components.
High-quality Japanese capacitors provide uncompromised performance and reliability.
The completely modular cable system allows you to use only the cables you need. Power supply upgrade and replacement is easy, as the cables only need to be disconnected at the power supply.
Low-profile, flat cable design reduces air friction and helps maximize airflow through your computer's chassis.
A Seven year warranty and lifetime access to Corsair!¡¥s legendar technical support and customer service.
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 7 years
  • Limited Warranty period (labor): 7 years
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by's Standard Return Policy.
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