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Corsair RM850x power supply unit 850 W 24-pin ATX ATX Black

Corsair RM850x, 850 W, 100 - 240 V, 47 - 63 Hz, 10 - 5 A, 150 W, 849.6 W

Best offerPrice trend

£91.66

Rising
Price trend
Detailed analysis
Price history of Corsair RM850x power supply unit 850 W 24-pin ATX ATX Black over the last 3 months
DatePrice
24 April 2026£104.99
1 May 2026£125.62
1 May 2026£123.50
9 May 2026£125.55
17 May 2026£119.99
25 May 2026£119.99
2 June 2026£124.40
3 June 2026£123.50
11 June 2026£123.50
20 June 2026£120.90
28 June 2026£109.99
7 July 2026£123.50
13 July 2026£124.99
16 July 2026£123.10
Offres:

Compare Corsair RM850x power supply unit 850 W 24-pin ATX ATX Black prices UK

*Date of last price update

User Notice: We regularly reference new offers to provide you with the widest selection. However, the displayed results do not reflect all available offers on the market. By default, offers are sorted by price, with the lowest price appearing first.

Product Information

Corsair RM850x. Total power: 850 W, AC input voltage: 100 - 240 V, AC input frequency: 47 - 63 Hz. Motherboard power connector: 24-pin ATX, Motherboard power cable length: 61 cm, Cabling type: Fully-Modular. Purpose: PC/Server, Power supply unit (PSU) form factor: ATX, 80 PLUS certification: 80 PLUS Gold. Product colour: Black, Cooling type: Active, Number of fans: 1 fan(s). Cables included: AC

Power Supply Units Corsair

Product

Name
Corsair RM850x power supply unit 850 W 24-pin ATX ATX Black
Brand
Corsair

Power

Total power
850 W
AC input voltage
100 - 240 V
AC input frequency
47 - 63 Hz
Input current
10 - 5 A
Combined power (+3.3V)
150 W
Combined power (+12V)
849.6 W
Combined power (+5V)
150 W
Combined power (+5Vsb)
15 W
Max output current (+3.3V)
20 A
Max output current (+12V)
70.8 A
Max output current (+5V)
20 A
Max output current (+5Vsb)
3 A
Efficiency
90%
Power protection features
Over current, Over power, Over voltage, Overheating, Short circuit

Weight & dimensions

Width
150 mm
Depth
160 mm
Height
86 mm
Weight
3.28 kg

Ports & interfaces

Motherboard power connector
24-pin ATX
Peripheral (Molex) power connectors (4-pin)
2
Motherboard power cable length
61 cm
Number of SATA power connectors
8
Number of PATA power connectors
3
EPS power connector (8-pin)
No
EPS power connector (4+4 pin)
Yes
PCI Express power connectors (6+2 pin)
3
PCI Express power connectors (12+4 pin)
1
PCI Express connector
Yes
Cabling type
Fully-Modular

Performance

Purpose
PC/Server
Power supply unit (PSU) form factor
ATX
80 PLUS certification
80 PLUS Gold
ATX version
3.1
Silent mode
Yes

Design

Product colour
Black
Cooling type
Active
Number of fans
1 fan(s)
Illumination
No

Packaging content

Cables included
AC
Cable tie(s) included
Yes

Certificates

Compliance certificates
Low Voltage Directive (LVD), RoHS, UKCA

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