Corsair RM1200x, 1200 W, 100 - 250 V, 47 - 63 Hz, 10 A, 150 W, 1200 W

If your rig is struggling to keep up with power-hungry GPUs and over-clocked CPUs, you need a supply that delivers rock-solid stability without wasting energy. The Corsair RM1200x, 1200 W, 100 - 250 V, 47 - 63 Hz, 10 A, 150 W, 1200 W is a fully modular, ATX 3.0-certified power supply designed to feed high-end gaming and workstation builds with clean, efficient power, while keeping cables tidy and noise to a minimum.

Corsair RM1200x, 1200 W, 100 - 250 V, 47 - 63 Hz, 10 A, 150 W, 1200 W - the solution for power-starved builds

Modern components demand more than just raw wattage; they require reliable voltage regulation, low noise, and space-saving cable management. Without a capable PSU, you risk system crashes, reduced component lifespan, and a cluttered interior that hampers airflow. This unit solves those issues by offering ATX 3.0 certification, side-mounted modular connectors, and a silent 140 mm fan that only spins when needed, ensuring your high-performance PC runs smoothly and quietly.

Benefits

A quiet, efficient power source makes a noticeable difference in daily use.

• Zero-RPM fan mode keeps the PSU silent during light loads.
• Side-mounted connectors let you plug cables without straining, speeding up builds.
• 80 PLUS Gold efficiency reduces electricity costs and heat output.
• 105 °C-rated Japanese capacitors guarantee long-term reliability.
• Fully modular Type 5 cables free up space inside the case.

Usages of Corsair RM1200x, 1200 W, 100 - 250 V, 47 - 63 Hz, 10 A, 150 W, 1200 W

Ideal for enthusiast gaming rigs, professional workstations, and any system that uses the latest RTX 40-series graphics cards or high-core-count CPUs, this PSU fits any ATX-compatible case at least 210 mm wide and provides the power headroom needed for future upgrades.

Key Features of Corsair RM1200x, 1200 W, 100 - 250 V, 47 - 63 Hz, 10 A, 150 W, 1200 W

• Efficiency: 90 %. Delivers up to 90 % power conversion, lowering your electricity bill.
• Total power: 1200 W. Supplies ample wattage for the most demanding builds.
• ATX version: 3.0. Meets the latest industry standards for stability and compatibility.
• 80 PLUS certification: Gold. Confirms high efficiency across a wide load range.
• Fan diameter: 14 cm. A larger fan moves more air at lower speeds, reducing noise.
• Weight: 2 kg. Light enough for easy installation yet robustly built.
• Motherboard power connector: 24-pin ATX. Provides the main power feed for any modern motherboard.
• PCIe 5.0 12VHPWR cable included. Ready for the newest high-performance graphics cards.
• Cable type: Fully-Modular. Lets you use only the cables you need, improving airflow.
• Input voltage: 100 - 250 V. Works worldwide with automatic voltage selection.

Specifications