Corsair RM850x SHIFT, 850 W, 100 - 240 V, 47 - 63 Hz, 10A-5A, Power Supply

Tired of cramped cable management and noisy power units? The Corsair RM850x SHIFT, 850 W, 100 - 240 V, 47 - 63 Hz, 10A-5A, Power Supply delivers clean, reliable power while keeping your build tidy and whisper-quiet, so you can focus on performance, not troubleshooting.

Usages of a 850 W Power Supply

A 850 W power supply is ideal for high-end gaming rigs, content-creation workstations and future-proof builds that may add multiple graphics cards or storage drives. It fits comfortably in any ATX-compatible case, providing the headroom you need for upgrades without rewiring.

Benefits of Corsair Power Supply

• Quiet operation: Zero-RPM fan mode keeps the unit silent during low loads.
• High efficiency: 80 PLUS Gold rating means up to 90 % of drawn power reaches your components, lowering electricity costs.
• Future-ready: ATX 3.0 certification ensures compatibility with the latest CPUs and GPUs, including PCIe 5.0 devices.
• Reliable longevity: 105 °C-rated Japanese capacitors give stable performance over many years.
• Easy wiring: Side-mounted modular connectors let you plug cables from the side, reducing strain and simplifying installation.

Corsair Power Supply Choice

Choosing this Corsair power supply means you get a unit built for demanding builds without the hassle of traditional cable routing. The fully modular design lets you use only the cables you need, freeing up space and improving airflow inside your case. Combined with a 140 mm fluid-dynamic bearing fan, it stays cool under load while remaining virtually silent.

Beyond performance, the PSU offers peace of mind with a 100 000-hour MTBF rating and world-class support from Corsair. Whether you’re assembling a new rig or upgrading an existing system, the reliable power delivery and smart features help you avoid common pitfalls like overheating or unstable voltages.

Key Features of a 850 W Power Supply

• Wattage: 850 W. Provides ample power for high-performance components and future upgrades.
• Efficiency: 90 %. Ensures most of the electricity is converted to usable power, reducing waste.
• Certification: 80 PLUS Gold. Guarantees high efficiency across a wide load range.
• ATX version: 3.0. Meets the latest industry standards for stability and compatibility.
• Fan: 140 mm with Zero RPM mode. Keeps the unit quiet when full cooling isn’t required.
• Capacitors: 105 °C-rated Japanese electrolytic. Offers superior durability and thermal performance.
• Modular type: CORSAIR Type 5 micro-fit. Allows you to connect only the cables you need, saving space.
• Weight: 1.7 kg. Light enough for easy handling yet solidly built.
• Input range: 100-240 V, 47-63 Hz. Works worldwide without needing a voltage converter.
• Connectors: Includes PCIe 5.0 12VHPWR cables for the latest RTX 40-series GPUs.

Specifications