Corsair RMx Shift Series RM1200x Power Supply - 1200W - Black
- Fully modular design for cable customization •
- 80 Plus Gold energy efficiency certification •
- High-quality Japanese capacitors for reliable power •
- Low-noise operation with Zero RPM fan mode •
- More features
Offers updated on: 14/09/2025. Paid and non-exhaustive ads. ★ The ratings are generated from multiple sources, including data provided by the merchant and publicly available information.
Description
Unleash the full potential of your PC build with the Corsair RMx Shift Series RM1200x Power Supply. Released for those who demand the best, this 1200W powerhouse boasts an efficient design that satisfies the most rigorous gaming and work-from-home setups.
Designed with a focus on performance, the RM1200x features a 90% efficiency rating, allowing you to maximize power while minimizing waste. Here are some of the notable features that set this power supply apart:
- Total Power: 1200W of robust power delivery
- AC Input Voltage: Wide range of 100 - 240V to support various setups
- Fully-Modular Cabling: Simplifies your assembly and maximizes airflow
- 80 PLUS Gold Certification: Truly efficient, designed to enhance your system's performance
With multiple power connectors, including 24-pin ATX for your motherboard, 16 SATA connectors to power storage devices, and 8 PCI Express connectors for graphics cards, the RM1200x ensures that you have everything you need to build an advanced system. The 14 cm active cooling fan keeps the unit at optimal temperatures while providing silent operation.
This power supply unit is ideal for gamers and professionals who utilize high-end components, ensuring a reliable power source for demanding applications. The built-in protection features against over current, over voltage, and short circuits add peace of mind, letting you focus on what matters - performance.
Its compact dimensions and light weight allow for easy installation, making it a suitable choice for small PC cases or server setups. Moreover, with a Mean Time Between Failures (MTBF) of 100,000 hours, you can expect longevity backed by quality engineering.
The RM1200x is not just a power supply; it’s a foundation for your PC. Whether working from home, gaming, or running complex software tools, this power supply is engineered for excellence and reliability.
Features
Power
- Total power:1200 W
- AC input voltage:100 - 240 V
- AC input frequency:47 - 63 Hz
- Input current:7.5 - 15 A
- Combined power (+3.3V):150 W
- Combined power (+12V):1200 W
- Combined power (+5V):150 W
- Combined power (+5Vsb):15 W
- Max output current (+3.3V):20 A
- Max output current (+12V):100 A
- Max output current (+5V):20 A
- Max output current (+5Vsb):3 A
- Efficiency:90%
- Power protection features:Over current, Over power, Over voltage, Overheating, Short circuit
Ports & interfaces
- Motherboard power connector:24-pin ATX
- Motherboard power cable length:61 cm
- Number of SATA power connectors:16
- SATA power cable length:455,570,685,800 mm
- Peripheral (Molex) power connectors (4-pin):8
- Peripheral (Molex) power cable length:450,550,650,750 mm
- EPS power connector (4+4 pin):Yes
- PCI Express power connectors (6+2 pin):8
- PCI Express power connectors (16-pin):1
- PCI Express power cable length:75 cm
- Cabling type:Fully-Modular
Performance
- 80 PLUS certification:80 PLUS Gold
- Purpose:PC/Server
- Power supply unit (PSU) form factor:ATX
- ATX version:3.0
- EPS version:2.92
- Bearing technology:FDB
- Mean time between failures (MTBF):100000 h
Design
- Product colour:Black
- Cooling type:Active
- Fan diameter:14 cm
- Number of fans:1 fan(s)
- On/off switch:Yes
Packaging content
- Cables included:AC, DC
- Cable tie(s) included:Yes
Certificates
- Compliance certificates:Low Voltage Directive (LVD), RoHS, UKCA
Weight & dimensions
- Width:150 mm
- Depth:180 mm
- Height:86 mm
- Weight:2 kg
Technical details
- Sustainability compliance:Yes
Other features
- EPS cable length:65 cm
- Screws included:Yes
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