Corsair 850 Watt RM850x Series Fully Modular ATX Power Supply - 80 Plus Gold Certified

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RMx Series RMx850 850W '80 Plus Gold' Modular Power Supply from Corsair
Wattage: 850W
Fully Modular
80 PLUS Gold
135mm Fan
Zero RPM Fan Mode
100% All Japanese 105°c Capacitors
Ten-year Warranty

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Quickfind Code: Q4174 | Digitalpromo Code: CP-9020180-UK-PR21

Availability: In stock


£169.99 Save £30.00

Order within 10 hours and 38 minutes for delivery on Tuesday, 11th August

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Corsair 850 Watt RM850x Series Fully Modular ATX Power Supply - 80 Plus Gold Certified
RMx Series RMx850 850W '80 Plus Gold' Modular Power Supply - CP-9020180-UK
850W Corsair RMx Series RM850x, Full Modular, 80 PLUS Gold, SLI/CrossFire, Single Rail, 70.8A, 135mm Fan, ATX PSU
Manufacturers Code: CP-9020180-UK
EAN: 0843591035200

Prepare your PC for the latest component upgrades with the Corsair RM850x Modular PSU . With 850 W of power this modular PSU is ready to run powerful PCs with high-end graphics cards such as the NVIDIA GeForce GTX 1070, RTX 2070 etc. Its modular design means it's great for upgrades or new builds as you can manage the cabling the way you want. Corsairs' RMx series is designed to deliver extremely consistent power to prevent power spikes or drops in the middle of a session. Despite this, it has still manages an 80 PLUS Gold rating which certifies it doesn't waste energy or get overly hot. Zero Fan Mode cuts the sound of the fans to 0 dB when your PC isn't running under full load - great for watching films without distraction.

Corsair RM850x Power Supply - Fully Modular - 80 Plus Gold Certified

Corsair RMx 850W Power Supply

CORSAIR RM850x series power supplies are built with the highest quality components to deliver 80 PLUS Gold efficient power to your PC to reduce costs and excess heat. Fully modular cables make PC builds and upgrades easy, as you only need to install the cables your system requires. Zero RPM Mode means an RM850x series PSU is virtually silent at low and medium loads, and even at maximum power, a low noise fan ensures quiet operation. Quiet, efficient and dependable, an RM850x PSU has everything you need to power your high-performance PC for years to come.

Fully Modular Connectivity

Keep Your Build Looking Clean

The fully modular design of the RMx power supply means that during your build you can mount the PSU in the case first and then attatch only the cables you need, making builds and upgrades easy with great looking results. Simply connect the cables you need and keep the rest safe for future upgrades.

Ten Year Warranty

A 160mm-long casing ensures an easy fit in almost all modern enthusiast PC cases. Your guarantee of reliable operation that will last across several system builds.

Completely Modular

Build Like a Pro

Only connect the cables your system needs, making clean and tidy builds easier whilst improving airflow.

Corsair RM850x Key Features

Corsair Quality

80 PLUS Gold Certified
Gold certification ensures high efficiency operation for less excess heat and lower operating costs.

Japanese 105°C capacitors
Premium internal components ensure solid power delivery and long term reliability.

Zero RPM Fan Mode
Fan doesn’t turn on until it’s needed, so you’ll enjoy virtually silent operation at low and medium loads.

Corsair 10 Year Guarantee
Your guarantee of reliable operation that will last across several system builds.


Size     ATX
Edition     RMx Series RM850x
Wattage     850 W
80 PLUS Certification     80 PLUS Gold
Max. Efficiency (at 230Vac)     92 %
Cooling     Fan
Fans     1 x 135mm
Internal +12V Rails     Single Rail
Rail 1 +12V     70.8 A
Rail 2 +12V     N/A
Rail 3 +12V     N/A
Rail 4 +12V     N/A
Rail 5 +12V     N/A
Rail 6 +12V     N/A
Max. Combined Output +12V     70.8 A
Modular     Yes
Modularity     Full Modular
SLI/CrossFire     Yes
EPS 12V     Yes
Motherboard Connector     20+4-pin

2 x 4+4-pin CPU +12V (EPS)
1 x 4-pin FDD Power
8 x 4-pin Molex
6 x 6+2-pin PCIe
10 x SATA

Dimensions     150 x 86 x 160 mm (WxHxD)
Package Type     Retail

Additional Information
Model Number     CP-9020180-UK
GTIN     843591035200



12v Connector 4+4 Pin


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