Features of CORSAIR RM850X 850W 80+ Gold ATX 3.1 Fully Modular Power Supply

CORSAIR RMx Series fully modular PSU for quiet, Cybenetics Gold-certified efficient performance.

• Fully modular, Type-4 connectors
• Cybenetics Gold-certified
• ATX 3.1 compliant, supporting PCIe 5.1
• Zero RPM Fan Mode for near-silent operation at lower loads

QUIET, DEPENDABLE, EFFICIENT

Our best-selling PSU, updated. This fully modular, low noise, Cybenetics Gold-certified power supply is ATX 3.1 compliant and ideal for delivering dependable power to today's top-performing PCs.

50°C CONTINUOUS OPERATING TEMPERATURE

Ensures reliable power for your PC, even under high-stress conditions.

105°C-RATED CAPACITORS

Built with 100% Industrial-grade, 105°C-rated Japanese electrolytic capacitors for unwavering power and reliability.

ATX 3.1 CERTIFIED

Be confident your PSU supports the latest sleep and hibernate modes and modern CPU and GPU requirements. ATX 3.1 compliance ensures full compatibility with modern components and power states.

FULLY MODULAR CONNECTORS

Connect only what you need using sleek embossed cables with low-profile combs to make installations a breeze.

Native 12V-2x6 GPU cable included for use with modern graphics cards such as the NVIDIA GeForce RTX 40 Series.

140mm LOW-NOISE FAN

A fluid dynamic bearing fan with magnetic dome structure keeps noise to a minimum, with Zero RPM mode to eliminate fan noise completely at low to medium loads.

MANUAL FAN OVERRIDE KNOB

Want to get more air through the PSU or to exhaust some heat from your case? You can override the Zero RPM Mode and low-noise profile of the RMx Series with our manual fan override knob, increasing fan speed and airflow.

Specifications of CORSAIR RM850X 850W 80+ Gold ATX 3.1 Fully Modular Power Supply