CORSAIR CMPSU-1200AX Modular Power Supply 1200W

( Brand: Corsair ), ( Manufacturer Part Number: CMPSU-1200AX ), ( Part Type: Supply ), ( Compatible Brand: Universal ), ( Voltage Compatibility: 240 V ), ( Cooling: 1 Fan ), ( Color: Black ), ( Maximum Input Current: 15 A ), ( Form Factor: Atx ), ( Maximum Power: 1200 W ), ( Unit Type: Unit ), ( Manufacturer Warranty: 10 Years ), ( Features: Modular ), ( Country Of Origin: China )

Review CORSAIR 1200w Fully Modular Power Supply Model

The Corsair CMPSU-1200AX, a part of the renowned AX series of power supplies, is a top-tier 1200-watt modular unit designed to cater to the power needs of high-end systems and configurations. This power supply delivers exceptional efficiency and reliability with 80 PLUS Platinum certification, ensuring that up to 92% of the input power is converted into usable electricity under typical loads.

The CMPSU-1200AX's modular design allows users to connect only the cables they need, reducing clutter and improving airflow within the case. It features a total of ten modular cables, including two EPS12V cables, two ATX12V cables, four Peripheral Power Connectors, and two additional SATA and four additional 6 2-pin PCIe cables. This flexibility enables customization for various system configurations.

The power supply is housed in a robust, compact form factor, measuring 150mm (W) x 86mm (H) x 160mm (D), and its quiet operation is ensured by a 140mm hydraulic dynamic bearing fan. This fan is controlled by a fanless mode, which can be activated when the power supply's load is below 40%, ensuring that the fan remains off for silent operation under light loads.

The CMPSU-1200AX is protected against various power surges and short-circuits with features such as Over Voltage Protection (OVP), Under Voltage Protection (UVP), Over Power Protection (OPP), Over Temperature Protection (OTP), and Short Circuit Protection (SCP). Additionally, it comes with a 10-year warranty, providing users with peace of mind and assurance of Corsair's commitment to quality.

This 1200-watt power supply is an excellent choice for those seeking a reliable, efficient, and customizable solution for powering their high-performance systems. With its advanced features, quiet operation, and robust protection mechanisms, the Corsair CMPSU-1200AX is an ideal companion for powering the most demanding configurations.

Corsair CMPSU-1200AX 1200W Modular Power Supply: A Detailed Analysis

The Corsair CMPSU-1200AX is a high-performance, 1200-watt modular power supply unit (PSU) designed for PC enthusiasts and power users. In this analysis, we will discuss its key features, pros, cons, and provide an ending conclusion.

1. 1200-watt capacity

2. 80 Platinum efficiency

3. Modular design

4. Single 12V rail

5. Active PFC (Power Factor Correction)

6. Fan control with a semi-passive operation mode

7. 140mm cooling fan

8. Overvoltage, under-voltage, short circuit, and over temperature protection

9. 10-year warranty

1. High wattage capacity to power high-end components

2. Modular design for cable management and ease of use

3. 80 Platinum efficiency for better energy usage and lower heat generation

4. Single 12V rail for simplified voltage distribution

5. Fan control for quiet operation

6. Overvoltage, under-voltage, short circuit, and over temperature protection for safety

7. 10-year warranty for peace of mind

1. Large size and weight, requiring ample space inside the case

2. Higher price point compared to some other PSUs

3. Semi-passive operation mode may not be suitable for all systems

4. Limited connectors for peripherals, requiring additional adapters for some setups

The Corsair CMPSU-1200AX 1200W Modular Power Supply is a reliable and high-performance option for powering demanding PC systems. Its modular design, 80 Platinum efficiency, and extensive safety features make it an attractive choice for enthusiasts and power users. However, its larger size, higher price point, and limited peripheral connectors may deter some users. Ultimately, if you require a high-wattage, efficient, and safe power supply for your system, the Corsair CMPSU-1200AX is a strong recommendation.

Details:

Mon-Fri: 7am-6pm MST. Items must be in original condition. Item has been tested and is in working condition. Sat Sun: Limited Support.

Only pictured items are included -, NO power adapter/charger/cables/accessories unless or otherwise stated. May Contain Blemishes/Scuffs/Dust from normal wear and tear. 1x 24pin power - 8pin CPU SATA/PATA MOLEX 2x Pie.

part #: cmpsu1200ax prices

• $84.99-$155.00

specifications powsuppy:

• brand: Corsair
• mpn: Cmpsu-1200ax
• part type: Supply
• compatible brand: Universal
• voltage compatibility: 240 V
• cooling: 1 Fan
• color: Black
• maximum input current: 15 A
• form factor: Atx
• maximum power: 1200 W
• unit type: Unit
• manufacturer warranty: 10 Years
• features: Modular
• country of origin: China

returns powsuppy:

• policy: No Returns

seller powsuppy:

• rating: 99.4%
• # reviews: 7032
• city: Phoenix, Arizona

general powsuppy:

• condition: Used
• Computers/Tablet's Networking > Computer Components Parts > Power Supplies

payments powsuppy:

• wallet: Google-pay
• credit card: Diners-club
• other

offer powsuppy:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: June 1, 2026
• best offers: True
• quantity: 1

shipping powsuppy:

• transit: 3-8 Days
• class: Standard
• service: USPS Ground Advantage
• carrier: USPS
• cost: $0.00
• type: Fixed

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