Corsair RM850x SHIFT Fully Modular ATX Power Supply – 80 PLUS Gold – ATX 3.1 – PCIe 5.1 – Zero RPM – Modular Side Interface – Black

Corsair RM850x SHIFT – Fully Modular 850W Power Supply with Side-Interface and 80 PLUS Gold Efficiency

The Corsair RM850x SHIFT delivers clean, reliable power in a revolutionary new layout, designed to make cable management and installation easier than ever. With a side-mounted modular interface, this 850-watt PSU allows for more accessible cable connections in tight spaces, especially in modern compact or airflow-focused PC cases.

Backed by CORSAIR’s award-winning RMx Series pedigree, the RM850x SHIFT is built with 100% Japanese electrolytic capacitors rated for 105°C, ensuring long-term reliability and excellent electrical performance. It delivers consistent, stable power with 80 PLUS Gold certification, offering up to 90% efficiency under typical loads—translating to lower heat output and reduced energy waste.

The fully modular design means you only connect the cables you need, keeping your build clean and improving airflow. Thanks to its innovative side cable interface, cables plug into the side of the unit rather than the front, providing more clearance for GPU and motherboard connectors, and simplifying routing—especially in cases with tight rear space.

Equipped with a 140mm fluid dynamic bearing fan, the RM850x SHIFT runs quietly, even under heavy load. The fan features a zero RPM mode at low to medium loads, ensuring silent operation during light workloads or idle.

Supporting the latest ATX standards, including ATX 3.0 and PCIe 5.0 compatibility, this PSU is future-ready and can power next-gen GPUs and processors with ease. It includes a 12VHPWR cable for PCIe 5.0 graphics cards and robust over-current, over-voltage, and short-circuit protections.

With a compact footprint, efficient performance, and an innovative cable design, the Corsair RM850x SHIFT is ideal for PC builders who demand both power and practicality in a modern power supply.