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Corsair Professional Series  AX 1200 Watt ATX/EPS Modular 80 PLUS Gold (AX1200)

4.4 out of 5 stars 366 customer reviews
| 56 answered questions

Currently unavailable.
We don't know when or if this item will be back in stock.
AX1200
  • An ultra-quiet double ball-bearing fan delivers excellent airflow at an exceptionally low noise level by varying fan speed in response to temperature.
  • A Seven year warranty and lifetime access to Corsair's legendary technical support and customer service.
  • 80PLUS Gold certified, delivering up to 90% energy efficiency at real world load conditions.
  • High-quality Japanese capacitors provide uncompromised performance and reliability.

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Technical Details

Style: AX1200
  • Brand Name: Corsair
  • Model Number: CMPSU-1200AX

Product Description

Style: AX1200

Product Description

The Corsair AX1200 provides the power level, reliability and stability required for the ultimate SLI and CrossFire gaming PCs. It delivers more than 90% energy-efficiency and is built to the highest quality standards with one aim alone - to deliver the precise features and performance that enthusiasts demand.

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.

Incredible Efficiency
With 90% efficiency at 50% load, the Corsair Professional Series Gold power supply runs quieter, generates minimal excess heat, and saves you money every month. It's earned the 80 Plus Gold seal of approval, your guarantee that you're making the right choice for smart, efficient power delivery.

From the Manufacturer

The Corsair AX1200 provides the power level, reliability, and stability required for the ultimate SLI and CrossFire gaming PCs. It delivers more than 90% energy-efficiency, and is built to Corsair's renowned quality standards with one aim alone — to deliver the precise features and performance that enthusiasts demand.

Product Features

  • Supports the latest ATX12V v2.31 and EPS 2.92 standards and is backward compatible with ATX12V 2.2 and ATX12V 2.01 systems
  • An ultra-quiet 120mm double ball-bearing fan delivers excellent airflow at an exceptionally low noise level by varying fan speed in response to temperature
  • 80 PLUS Gold certified to deliver at least 90% efficiency at 50% load
  • Active Power Factor Correction (PFC) with PF value of 0.99
  • 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
  • Completely modular cable system allows you to use only the cables you need
  • Low-profile, flat cable design reduces air friction and helps maximize airflow through your computer's chassis
  • Safety Approvals: UL, CUL, CE, CB, FCC Class B, TÜV, CCC, C-tick
  • What the Experts are Saying...
    Award 1

    "Corsair is well known for producing some of the best PC power supplies on the market today and the AX1200 continues that trend. The Corsair Professional Series Gold AX1200 power supply delivers clean DC outputs, with excellent efficiency and good voltage regulation. The AX1200 comes with an excellent assortment of all-modular cables that can support the latest CPUs and multiple, high-end video cards. And let's not forget active PFC, universal AC input and Corsair's 7-year warranty!" - PCPerspective July 26, 2010

    Award 2

    "There is a whole lot to like about the new Corsair AX1200, and very little indeed to hate. Lots of power, lots of connectors, and all of those connectors come off if you want them to. And we can't forget about the efficiency, which just about outclasses everything else I've ever tested. Do you need any other reason to buy one?" - JonnyGuru June 5, 2010

    Award 3

    "A near flawless product from Corsair which continues to enhance their reputation for producing the industry's best PSUs." - HardwareHeaven August 4, 2010

    Corsair Professional Series - Specifications

    Specifications AX750 AX850 AX1200
    Wattage Output 750 850 1204
    Efficiency 80+ Gold 80+ Gold 80+ Gold
    Hybrid Silent Fan Control Yes Yes No
    +12V Rating 62 Amps 70 Amps 100.4 Amps
    Continuous Power Output 750 Watts @ 50°C 850 Watts @ 50°C 1204 Watts @ 50°C
    Warranty 7 Years 7 Years 7 Years
    Size 150mm(W) x 86mm(H) x 160mm(L) 150mm(W) x 86mm(H) x 160mm(L) 150mm(W) x 86mm(H) x 200mm(L)
    Power Supply Image
    Corsair AX750 PSU
    Corsair AX850 PSU
    Corsair AX1200 PSU
    More Information
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    Click Here
    Click Here

    Efficiency
    AX1200 Efficiency
    Fan Noise
    AX1200 Noise

    Why choose a Corsair Professional Series AX power supply?

    Incredible Efficiency
    Incredible Efficiency

    With 90% efficiency at 50% load, the Corsair Professional Series Gold power supply runs quieter, generates minimal excess heat, and saves you money every month. It's earned the 80 PLUS® Gold seal of approval, your guarantee that you're making the right choice for smart, efficient power delivery.

    Fully Modular Cabling
    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.

    7 Year Warranty
    7 Year Warranty

    Corsair strives to ensure the quality and reliability of our power supplies, which is why the Corsair Professional Series Gold power supplies are provided with a seven year limited warranty. They are also backed by Corsair's legendary customer service and technical support.

    Connectors and Cable Length

    Connector Type Quantity Length (mm) Length (inches) Connectors per cable
    ATX Power Cable 1 610mm 24" 1
    EPS/ATX12V CPU Cable 2 610mm 24" 1
    PCI-E Cable (6+2 pin) 6 610mm 24" 1
    SATA Cable 3 850mm 33.46" 4
    SATA Cable 2 600mm 23.62" 2
    Peripheral Cable 3 850mm 33.46" 4
    Floppy Adapter 2 100mm 4" 1


    Product Information

    Style:AX1200
    Product Dimensions 10 x 6 x 4 inches
    Item Weight 1.3 ounces
    Shipping Weight 9.8 pounds
    Manufacturer Corsair
    ASIN B003PJ6QVU
    Item model number CMPSU-1200AX
    Customer Reviews
    4.4 out of 5 stars 366 customer reviews

    4.4 out of 5 stars
    Best Sellers Rank #1,169 in Electronics > Computers & Accessories > Computer Components > Power Supplies
    Date first available at Amazon.com June 4, 2010

    Warranty & Support

    Product Warranty: For warranty information about this product, please click here

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