Description
The Corsair RM850x V3 850W power supply represents the pinnacle of reliable, efficient power delivery for modern gaming and high-performance PC builds. Featuring 80 PLUS Gold certification, this fully modular PSU delivers exceptional energy efficiency whilst reducing heat and noise. With native ATX 3.0 and PCIe 5.0 support, the RM850x V3 is ready for the latest generation of power-hungry graphics cards, including a dedicated 12VHPWR connector for seamless compatibility with cutting-edge GPUs.
ATX 3.0 Ready for Next-Gen Performance
Built to meet the latest ATX 3.0 standard, the RM850x V3 handles the demanding power requirements of modern components with ease. The included 12VHPWR PCIe 5.0 connector ensures your next-generation graphics card receives stable, reliable power without the need for adapters, whilst supporting transient power spikes up to 200% of rated capacity.
80 PLUS Gold Efficiency
Achieve up to 90% energy efficiency under typical loads, reducing electricity costs and minimising heat generation. The 80 PLUS Gold certification means less wasted energy, lower operating temperatures, and a quieter computing experience thanks to reduced fan speeds during normal operation.
Fully Modular Cable Design
Connect only the cables you need with the fully modular design, creating a cleaner build with improved airflow. The flexible flat ribbon cables are easy to route and manage, helping you achieve a professional-looking build whilst optimising cooling performance throughout your chassis.
Zero RPM Fan Mode
Experience near-silent operation during low to medium loads thanks to the intelligent Zero RPM fan mode. The 135mm fluid dynamic bearing fan only spins up when needed, ensuring your system remains whisper-quiet during everyday tasks whilst providing robust cooling when performance demands increase.
Premium Japanese Capacitors
Built with 105°C rated Japanese capacitors, the RM850x V3 delivers rock-solid performance and exceptional reliability even under sustained heavy loads. Backed by Corsair’s 10-year warranty, this PSU is engineered to provide years of dependable service in even the most demanding systems.



