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Overview

You are ready for any challenge with the Corsair RMx 850W ATX Modular Power Supply. Compliant with Intel's ATX 3.1 standard, it's equipped to support high-performance hardware, including a native 12V-2x6 connector. Its fully modular design allows you to use only the cables you need. The 100% Japanese 105 degree Celsius-rated capacitors offer exceptional electrical efficiency.

Corsair RMx 850-Watt ATX Fully Modular Power Supply

Model: CP-9020270-NA
Web Code: 18479851
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Manufacturer's Warranty

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For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

What's included:

  • RM850x Power Supply
  • DC Cable Kit
  • Power Cord
  • Mounting Screws
  • Cable Ties
  • Reliable and efficient low-noise power supply with fully modular cabling allows you to connect only the cables your system needs
  • 850W of power provides ample energy for high-performance components, ensuring your system runs smoothly under heavy loads
  • Complies with the ATX 3.1 power standard, supporting PCIe 5.1 while effectively managing transient power spikes for enhanced system stability
  • Direct GPU connection with a native 12V-2x6 connector ensures hassle-free compatibility with advanced graphics cards
  • 140mm FDB fan with a specially calculated fan curve operates quietly, maintaining a peaceful environment even under maximum load
  • Fan speed adjustment knob on the back allows for easy manual control of cooling performance
  • Zero RPM Fan Mode ensures nearly silent operation during low-load conditions
  • With a maximum operating temperature of 50-degree Celsius, it delivers dependable power even during intense usage
  • Sleek and ultra-flexible embossed cables not only enhance aesthetics but also simplify the installation and connection of the RMx
  • 100% Japanese 105 degree Celsius-rated capacitors ensure consistent and reliable power delivery
  • Cybenetics Gold certification ensures up to 91% efficiency, leading to reduced power consumption, lower noise levels, and cooler operation
Product Condition
Brand New
Power
850 W
80 PLUS Certification
80 PLUS Gold

Configuration

Power Supply Form Factor
ATX
Modular Cables
Yes
Modular or Non-Modular
Modular
Fan Size
140 mm

Electric

Input Voltage
240 V
+3.3 V Rail
20 A
+5 V Rail
20 A
+12 V Rail
70.8 A
+5 V Standby
3 A

Connectors

Motherboard Connector
24 Pin
4-Pin/8-Pin EPS Connector
2
8-Pin PCI-E Connector
3
4-Pin Molex (Peripheral) Connector
3
SATA Power Connector
8
Other Connectors
PCIe CABLE 12+4-PIN(12+4)- 1 Connector

Physical Features

Special Features
Fully Modular; Cybenetics Gold-Certified; ATX 3.1 Compliant; Supports PCIe 5.1; Native 12V-2x6 Connector; Ultra-FlexibleEmbossed Cables with Low-Profile Combs; Fan Speed Adjustment Knob; 100% Japanese 105°C-Rated Electrolytic Capacitors; 50°C Maximum Operating Temperature; Low-Noise 140mm FDB Fan; Zero RPM Fan Mode; Ten-year Warranty
RGB Lighting
No
Width
2.48 cm
Height
6.3 cm
Depth
16 cm
Weight
8.6 kg

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.