Corsair RMx Series (2021) RM850x 80PLUS Gold

100% modular power supply 850W ATX 12V / EPS 12V - 80PLUS Gold

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The Corsair RM850x is a 100% modular PC power supply with an innovative 135mm fan. Ideal for the latest gaming or power user PCs, it delivers stable, reliable power and is 80PLUS Gold certified.

100% modular power supply 850W ATX 12V / EPS 12V - 80PLUS Gold

Overview

Corsair RMx Series 2021

TheCorsair RM850x is a 100% modular PC power supply with an innovative 135mm fan. Ideal for the latest generation of gaming and power user PCs, it delivers stable, reliable power and is 80PLUS Gold certified for high power efficiency and low power loss.

Full modularity and high efficiency

CORSAIR RM fully modular power supplies are designed with the highest quality components to bring 80 PLUS Gold efficiency to your PC. With a maximum efficiency of over 90%, RMx power supplies produce low levels of heat and noise: that means less hassle and more time to play.

Magnetically levitated fan

The 135mm ML fan uses magnetically levitated bearings and custom designed rotors for unmatched performance and absolute discretion. The result: your power supply is perfectly cooled and your PC runs almost silently!

Specifications
Select your criteria

General information

Product name

Corsair RMx Series (2021) RM850x 80PLUS Gold

Brand

Corsair

Model

CP-9020200-EU

Power and Efficiency

Power

850 W

80 PLUS certification

Yes

80 PLUS certification

80 PLUS Gold

Connectivity

Modular

Yes

Modularity

100% modular

Power connector(s)

3 X +12V (Power supply P8 - 2 x P4)
14 X Serial ATA power supply
1 X ATX 24 Pin
4 X Molex (4 Pin) Female
4 X PCI Express 6 + 2 Pin

Configurator

PSU-CM compatibility

+12V P4
+12V P4 and +12V P4
+12V P8
+12V P8 and +12V P4
+12V P8 and +12V P8

Cooling

Fan size

1 X 135mm

Silent

Yes

Power supply type (PC)

Active

Design

Power format

ATX/EPS

Power supply standard

EPS12V
ATX12V

ATX 3.0

No

Multi-GPU

CrossFireX
SLI

Typical use

Desktop computer

Physical characteristics

Color

Black

LED RGB

No

Height

86 mm

Width

150 mm

Length

160 mm

Weight

1.5 kg

Warranties

Commercial warranty

Seller 3 years

Legal warranty

See terms & conditions

Product referenced on 26 Apr 2021

Customer reviews
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    6 reviews
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  • by Montero79
    Posted on 16 Jan 2024
    Product bought from LDLC on 3 Jan 2024
    Number of reviews: 27 Average rating: 8

    Very good nutrition

    This must be the 3rd one I've ordered in the last few years.
    Very stable voltage, in the silence of a cathedral

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  • by velleneuve@aol.com
    Posted on 13 Oct 2023
    Product bought from LDLC on 27 Sep 2023
    Number of reviews: 3 Average rating: 10

    Extra power supply

    Hello,

    Powerful, well designed, easy to install, supplied with quality cables. Would definitely recommend it.

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  • by Lydesko
    Posted on 29 Apr 2023
    Product bought from LDLC on 16 Mar 2023
    Number of reviews: 10 Average rating: 10

    Great nothing to say :)

    I ordered the complete PC assembly without the Windows installation and frankly everything was fine, I have nothing to say about it, it was very well organised and the customer service I spoke to before the purchase was very good.

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  • by Archi
    Posted on 13 Jan 2022
    Product bought from LDLC on 13 Dec 2021
    Number of reviews: 28 Average rating: 9

    Very good

    The power supply seems to be of good quality, very good for the most part, no buttons to switch between passive and active ventilation. Works quietly, component power cables are solid and flexible at the same time and of good quality.

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  • by AdelFred
    Posted on 5 Jan 2022
    Product bought from LDLC on 1 Jan 2022
    Number of reviews: 6 Average rating: 10

    WELL RECEIVED

    It's a good quality power supply, in fact several youtubers use it, and I needed it to have more margin of safety with the new components I plan to add to my PC.

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In the same universe: corsair 850 | corsair rm850x psu | corsair rmx | cp-9020277 | rme | rmx | corsair rm850x | rm850x