Corsair

Corsair CP-9020270-NA RM850x 850W ATX 3.1 Power Supply

4.7 (10533 reviews)
850W

Power Your System with Uncompromising Reliability The CORSAIR RM850x Fully Modular Low-Noise ATX Power Supply is designed for demanding PC builds. Compliant with ATX 3.1 and PCIe 5.1 standards, this power supply delivers stable and efficient power with a Cybenetics Gold rating. Its fully modular ...

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Overview

Power Your System with Uncompromising Reliability

The CORSAIR RM850x Fully Modular Low-Noise ATX Power Supply is designed for demanding PC builds. Compliant with ATX 3.1 and PCIe 5.1 standards, this power supply delivers stable and efficient power with a Cybenetics Gold rating. Its fully modular design and native 12V-2x6 connector simplify cable management and ensure compatibility with the latest graphics cards.

Specifications:

  • Form Factor: ATX
  • Wattage: 850 Watts
  • Efficiency: Cybenetics Gold
  • Modularity: Fully Modular
  • Compliance: ATX 3.1, PCIe 5.1
  • Connector: Native 12V-2x6
  • Fan: 140mm FDB Fan
  • Color: Black

Key Features

Fully Modular: Reliable and efficient low-noise power supply with fully modular cabling, so you only have to connect the cables your system needs.

Cybenetics Gold-Certified: Rated for up to 91% efficiency, resulting in lower power consumption, less noise, and cooler temperatures.

ATX 3.1 Compliant: Compliant with the ATX 3.1 power standard from Intel, supporting PCIe 5.1 and resisting transient power spikes.

Native 12V-2x6 Connector: Ensures compatibility with the latest graphics cards with a direct GPU to PSU connection – no adapter necessary.

Embossed Cables with Low-Profile Combs: Sleek, ultra-flexible embossed cables look great and make installing and connecting the RMx a breeze.

Specifications

Brand
Corsair
Model Number
CP-9020270-NA
Wattage
850W
Cabling
Fully Modular
Efficiency Certification
Cybenetics Gold-Certified (up to 91% efficiency)
ATX Standard
ATX 3.1 Compliant
PCIe Support
PCIe 5.1
GPU Connector
Native 12V-2x6 Connector
Cables
Embossed with Low-Profile Combs

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Frequently Asked Questions

A fully modular design allows you to connect only the cables your system requires, which helps in reducing cable clutter, improving airflow within your PC case, and simplifying the build process.
Being Cybenetics Gold-Certified means the Corsair RM850x is rated for up to 91% efficiency. This results in lower power consumption, reduced heat generation, and quieter operation for your system.
Yes, the Corsair RM850x is ATX 3.1 compliant and features a native 12V-2x6 connector, ensuring direct compatibility with the latest graphics cards without the need for adapters.
ATX 3.1 compliance means this power supply supports PCIe 5.1 and is designed to resist transient power spikes, providing stable and reliable power delivery to modern components.
The RM850x comes with sleek, ultra-flexible embossed cables and low-profile combs. These cables look great and are designed to make installing and connecting components simple and clean.