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Corsair

Corsair RM850x Black – 850W 80 PLUS Gold Fully Modular PSU

  • Wattage: 850W
  • Japanese Capacitors: 100%
  • 80 PLUS Efficiency: Gold
  • PSU Form Factor: ATX
  • Zero RPM Mode: Yes

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£119.99

or 4 interest-free payments of £30.00 with Clearpay

Next working day delivery

In stock

Brand Corsair SKU PSU-CORSRMXB-850 Manufacturer part CP-9020180-UK EAN 00843591035200

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4 × £30.00 Four interest-free instalments with Clearpay
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Product Description

Corsair RM850x Black Series fully modular power supplies are built with the highest quality components to deliver 80 PLUS Gold efficient power to your PC. Using only Japanese 105°C capacitors, users can depend on an RM850x PSU across multiple system builds—backed by a ten-year warranty. Zero RPM Mode makes the Corsair RM850x PSU virtually silent at low and medium loads. Even at maximum power, a low noise fan ensures quiet operation. Fully modular, flat black cables make PC builds and upgrades easy—you only need to install the cables your system requires. Quiet, efficient and dependable, the RM850x PSU has everything you need to power your high-performance PC for years to come.

Specifications

  • Wattage: 850W
  • Japanese Capacitors: 100%
  • 80 PLUS Efficiency: Gold
  • PSU Form Factor: ATX
  • Zero RPM Mode: Yes
  • Modular: Fully
  • PCIe Connectors: 6
  • SATA Connectors: 10

About the Corsair RM850x Black Power Supply Unit

Corsair RM850x Black Side Angled View

PRISTINE BLACK CASING

Sleek black finish to make your build truly stand out.

Corsair RM850x Black Fan View

TUNED FOR LOW NOISE OPERATION

A specially set fan curve ensures that, even at full load, fan noise is kept to a minimum.

80 PLUS Gold Logo

80 PLUS GOLD CERTIFIED

The RM850x Black can deliver power with over 90% efficiency, lowering energy consumption, noise, temperatures, and your power bill.

100% ALL JAPANESE CAPACITORS

By using high-end electrolytic capacitors, the RM850x delivers the unwavering power and long-term reliability you’ve come to expect from a CORSAIR power supply.

Corsair RM850x Black Cables View

FULLY MODULAR, FLAT CABLES

Flexible fully modular, flat white cables mean that you only connect the cables your system needs, making clean and tidy builds easier.

Specification

Specification

80+ Rating Gold
Cable Type Flat, Wrapped Bunches
Connectors 1 x 20 + 4 pin, 10 x SATA, 6 x 6 + 2 pin PCIe
Cooling 1 x 140mm Fan
Form Factor ATX
Internal +12V Rails 1
Modular Fully
Rail 1 +12V Amperage 70.8A
RGB No
Silent Mode Yes
Wattage 850 Watts
Japanese Capacitors Yes

Product identity

Brand Corsair
SKU PSU-CORSRMXB-850
Manufacturer part CP-9020180-UK
Barcode 00843591035200

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Delivery

Your Corsair RM850x Black – 850W 80 PLUS Gold Fully Modular PSU ships tracked — order before 2pm Monday to Friday and it goes out the same day. Next working day delivery. Standard tracked delivery £3.95, express £7.95, Highlands & Islands £8.95.

Delivery information

Returns

Changed your mind? Send your Corsair RM850x Black – 850W 80 PLUS Gold Fully Modular PSU back unopened within 30 days for a full refund. Anything faulty can be rejected for a full refund within 30 days of delivery.

Returns policy

Ways to pay

Pay by card, or spread the cost of your Corsair RM850x Black – 850W 80 PLUS Gold Fully Modular PSU over four interest-free instalments with Clearpay. Every order earns loyalty points towards the next one.

Ways to pay

Need a hand?

Not sure the Corsair RM850x Black – 850W 80 PLUS Gold Fully Modular PSU is right for your build, or whether your power supply is up to it? Ask us.

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