Corsair RM850x

850 W
Price in EUR including VAT, free shipping
451Ratings
BrandMore from Corsair
Test reportsVery good based on 2 tests
Delivered between 7/1/2025 and 18/1/2025
More than 10 items in stock at supplier

Performance

Product details

Corsair RM Series fully modular power supplies are built with the highest quality components to deliver efficient 80 PLUS Gold performance to your PC. The ML fan utilizes magnetic levitation bearings and
custom rotors for optimal performance and low noise levels. With over 90% peak efficiency, the RMx series offers reduced heat and noise, so you can devote yourself to your gaming with complete peace of mind. Fully modular cables mean you only connect the cables your system needs. The wide selection of included cables also ensures broad compatibility with cutting-edge graphics cards and motherboards.

Key specifications

Form factor
ATX
80 PLUS certificate
Gold
Modularity
Modular cable management
Internal connection options
15-pin S-ATA (14x), 
20+4 PIN ATX power connector (1x), 
4-pin Molex (4x), 
4+4-pin 12V (3x), 
6+2-pin PCI Express (4x)
Item number
15626046

General information

Manufacturer
Corsair
Category
Power Supply PC
Manufacturer no.
CP-9020200-EU
Release date
26.3.2021
External links
Manufacturer's site (de)

Colour

Colour group
Black
Exact colour description
Black

Power supply properties

Form factor
ATX
Efficiency
90 %
80 PLUS certificate
Gold
Modularity
Modular cable management

Power supply connectors

Internal connection options
15-pin S-ATA (14x), 
20+4 PIN ATX power connector (1x), 
4-pin Molex (4x), 
4+4-pin 12V (3x), 
6+2-pin PCI Express (4x)
Power supply unit Power connection
C14

Cooling properties

Fan location
Bottom side
Cooling method
Active cooling
Number of fans
1 x
Fan diameter
140 mm
LED colour
without LED

Safety

Power protection features
EIA, 
OPP, 
OTP, 
OVP, 
SCP

Power supply

Power
850 W

Sustainability

Manufacturer commitment
SBTi

Scope of delivery

Scope of delivery
AC, 
Cpu, 
DC, 
PCIe, 
Peripheral (Molex), 
SATA

Product dimensions

Length
16 cm
Width
15 cm
Height
8.60 cm
Weight
1700 g

Package dimensions

Length
30.40 cm
Width
21.70 cm
Height
13.30 cm
Weight
3.22 kg

14-day cancellation right
30-day right of returnReturn policy
24 Months Statutory warrantyGuarantee provisions

Reviews & Ratings

Statutory warranty score

How often does a product of this brand in the «Power Supply PC» category have a defect within the first 24 months?

Source: Galaxus
  • 1.be quiet!
  • 1.Corsair
  • 1.Fortron
  • 1.MSI
  • 1.Xilence

Statutory warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Galaxus
  • 1.Xilence
  • 4.Gigabyte
  • 5.Corsair
  • 5.Thermaltake
  • 7.be quiet!

Return rate

How often is a product of this brand in the «Power Supply PC» category returned?

Source: Galaxus
  • 4.NZXT
  • 4.Seasonic
  • 6.Corsair
  • 7.Thermaltake
  • 8.Deepcool
Source: Galaxus

Translation: machine translated
Overall ratingVery good87/100
Very good85/100
Toms Hardware Guide Logo
Toms Hardware GuideSingle testReleaseSeptember 2021
  • PositiveFull power at 47 degrees Celsius
  • PositiveHigh overall performance
  • PositiveQuiet operation
  • PositiveFully compliant with ATX v2.52
  • PositiveHighly efficient at light loads
  • PositiveLong hold-up time
    Very good90/100
    Toms Hardware Guide Logo
    Toms Hardware GuideSingle testReleaseSeptember 2021
    • PositiveFull power at 47 degrees Celsius
    • PositiveHigh overall performance
    • PositiveSilent at low and mid loads
    • PositiveFully compliant with ATX v2.52
    • PositiveHighly efficient at light loads
    • PositiveLong hold-up time