SKU CP-9020056-UK
RM Series™ RM850 — 850 Watt 80 PLUS® Gold Certified Fully Modular PSU (UK Plug)

£110.99 GBP

CORSAIR RM Series™ are fully modular, optimized for silence, and deliver gold-rated efficiency. Flat black modular cables help ensure fast and neat builds.

Power
Plug Type
OUT OF STOCK

Reliable operation, fully modular cabling, and optimized for silence.

The Corsair RM850 is fully modular and optimized for silence and high efficiency. It’s built with low-noise capacitors and transformers, and Zero RPM Fan Mode ensures that the fan doesn’t even spin until the power supply is under heavy load. And with a fan that’s custom-designed for low noise operation, it’s whisper-quiet even when it’s pushed hard.

80 PLUS Gold rated efficiency saves you money on your power bill, and the low-profile black cables are fully modular, so you can enjoy fast, neat builds. And, like all Corsair power supplies, the RM850 is built with high-quality components and is guaranteed to deliver clean, stable, continuous power. Want even more? Connect it to your Corsair Link system (available separately) and you can even monitor fan speed and +12V current directly from your desktop.

High-quality, low-noise capacitors and transformers

RM Series power supplies are designed with capacitors and transformers carefully selected to eliminate coil whine and other background noise that can be annoying in quiet environments.

Zero RPM Fan Mode

The efficient design of the RM850 means minimal excess heat generation, so the fan doesn't even need to spin under low to medium loads. And when you're pushing it hard, the thermal sensor controls the fan speed to ensure that it gets the cooling it needs without any extra noise.

Corsair NR135L Noise-Reducing Fan

The custom-designed fan has an optimized blade profile for low-turbulence airflow and near-silent operation even at full speed.

80 PLUS Gold-certified efficiency

Highly efficient RM Series power supplies produce less heat and have lower operating costs.

Flat black, low-profile modular cables

You can use only the cables you need, and leave the rest in the box for fast, easy, and great-looking builds.

Reliable, continuous power delivery

Power ratings are continuous, not peak, for superior protection for your valuable PC. Corsair uses high-quality internal components, and the RM850 is guaranteed to deliver clean, stable, continuous power.

Corsair Link compatible

Want even more? RM Series power supplies connect to Corsair Link hubs (available separately) for real-time monitoring of fan speed and power delivery directly from your desktop.

About Corsair Power Supplies

Corsair is the best-selling brand of enthusiast power supplies worldwide, and offers more power supplies with seven-year warranties than any other major brand. Corsair innovations, like the first DSP-controlled desktop PC power supply, drive our focus on providing reliable, quiet and efficient PSUs for everything from basic desktop systems to one-of-a-kind dream PCs.

CONTENTS AND SPECIFICATIONS



  • Package Contents

  • HX850 power supply
  • Modular cable pack
  • Accessory bag with mounting hardware, cable ties, and case badge
  • Compatibility

  • ATX12V v2.4 and EPS12V 2.92 standards

ATX Connector
1
Ability to toggle singlemultiple 12V rails
No
ATX12V Version
v2.4
Continuous output rated temperature C
40°C
Continuous power W
850 Watts
Corsair Link Support
No
Fan bearing technology
Rifled
Fan size mm
140mm
MTBF hours
100,000 hours
Multi-GPU ready
YES
Power
850 Watts
Warranty
Five years
80 PLUS Efficiency
Gold
PSU Form Factor
ATX
Zero RPM Mode
Yes
Cable Type
Low-Profile, All Black
C-Link Ready
No
Dimensions
150mm x 86mm x 180mm
EPS Connector
2
Floppy Connector
2
Modular
Fully
PCI-E Connector
6
Plug Type
UK
SATA Connector
10
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