Corsair RM850x – 850W 80 PLUS Gold Fully Modular ATX Power Supply, Black, Used - Like New

The Corsair RM850x (Black) is a premium 850W 80 PLUS Gold-certified power supply unit (PSU) designed to deliver quiet, efficient, and reliable performance for high-end PCs. Built with 100% Japanese capacitors , a 135mm magnetic levitation fan , and fully modular cabling , it provides exceptional power stability and long-term durability. Perfect for gaming rigs, workstations, and custom PC builds, the RM850x combines performance with whisper-quiet operation and effortless cable management. 850W of continuous power output , ideal for high-performance GPUs and overclocked CPUs. 80 PLUS Gold certification ensures up to 90% efficiency , reducing energy waste and heat output. Fully modular design allows you to connect only the cables you need — improving airflow and aesthetics. 135mm magnetic levitation fan provides near-silent cooling with superior longevity. Zero RPM Fan Mode keeps the fan completely off at low loads for silent operation. 100% industrial-grade Japanese capacitors guarantee reliability, stability, and long lifespan. ATX form factor with wide hardware compatibility , supporting the latest Intel and AMD motherboards. Extremely fast wake-from-sleep time , ideal for modern systems and low-power states. Compliant with ATX 3.0 standards and compatible with PCIe 5.0 GPUs via included connectors. Comprehensive protection against over-voltage, under-voltage, short circuits, and overcurrent. Corsair’s trusted engineering and 10-year warranty ensure peace of mind for long-term builds. The Corsair RM850x delivers premium performance and quiet efficiency — a benchmark choice for enthusiasts building powerful, future-ready PCs. Specification Details Model Corsair RM850x (CP-9020200-UK) Power Output 850 Watts Certification 80 PLUS Gold (Up to 90% Efficiency) Form Factor ATX Fan Type 135mm Magnetic Levitation Fan Cooling Technology Zero RPM Fan Mode (Silent Operation at Low Loads) Modularity Fully Modular (Flat Black Cables) Capacitors 100% Japanese 105°C Rated ATX Version ATX 3.0 / PCIe 5.0 Ready Input Voltage 100–240V Protections OVP, UVP, SCP, OTP, OPP MTBF (Lifespan) 100,000 Hours Dimensions 150 × 86 × 160 mm Weight Approx. 1.65 kg Colour Black ...