CORSAIR RMx Series RM850x 850W ATX 3.1 Fully Modular PSU — PCIe 5.1, Native 12V-2x6 Connector, Cybenetics Gold, Low-Noise 140mm FDB, Japanese Capacitors

The CORSAIR RMx Series RM850x delivers 850 watts of reliable power in a fully modular ATX 3.1 design, built for modern high-performance builds. Cooling is handled by a low-noise 140mm FDB fan with Zero RPM fan mode for silent idle operation, and a fan speed adjustment knob for fine-tuning acoustics and airflow. It Supports PCIe 5.1 and includes a Native 12V-2x6 connector to meet current GPU power requirements. Cable management is improved with ultra-flexible embossed cables with low-profile combs for neat routing. Internal reliability is assured by 100% Japanese 105°C-rated electrolytic capacitors, and the unit is Cybenetics Gold-certified for efficiency. Designed to operate up to a 50°C Maximum operating temperature, the RM850x balances performance, silence, and long-term stability.