Corsair RMx Series RM850x Fully Modular Power Supply (AU): 850W, 80+ Gold, 3x PCIe, 8x SATA, 2x EPS, Zero RPM, ATX 3.1 | CP-9020270-AU

Corsair RMx Series RM850x Fully Modular Power Supply (AU)

Power your next build with a CORSAIR RMx Series fully modular PSU for quiet, Cybenetics Gold-certified efficient performance.

Includes
•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

PSU WATTAGE
850 Watts

PSU PLUG TYPE
AU-10A/250V

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.

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-2×6 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.

TECH SPECS
Cybenetics Efficiency Gold
Cybenetics Noise A
PATA Connector 3
EPS Connector 2
SATA Connector 8
Modern Standby Yes
Dimensions 160x150x86
Modular Fully
Cable Type Type 4
PCIe Connector 3
Zero RPM Model Yes
Continuous Power W 850 Watts
ATX Connector 1
ATX12V Version 3.1
MTBF Hours 100,000 hours
Warranty 10 Year
Weight 3.28kg

Product Last Updated: 11/12/2025

* Whilst we endevour to have the correct information on our products provided from the supplier/manufacturer errors do occur. If you would like to double check the information, please feel free to contact us and we will be more than happy to confirm information on the item prior to purchase. In the event that product information is incorrect due to information we received from our supplier or manufacturer, we do not take responsibility or be held liable for damage(s) or loss(s). We will work with you and do our best to make the best of a bad situation and work with our supplier(s) and/or manufacturer(s) to supply the correct information for the item purchased etc..