Corsair RM850x, 850 W, 100 - 240 V, 47 - 63 Hz, 6 - 12 A, 150 W, 850 W

Corsair RM850x power supply unit 850 W 20+4 pin ATX ATX Black

Corsair RM850x, 850 W, 100 - 240 V, 47 - 63 Hz, 6 - 12 A, 150 W, 850 W

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£403.93£403.93 del. incl.
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Corsair 850W Enthusiast Series RM850X PSU, Rifle Bearing Fan, Fully Modular, 80+ Gold

11/09/2025*
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*Date of last price update
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Product Information

ALL THE WATTS, NONE OF THE DECIBELS.
CORSAIR RMx series fully modular power supplies are built with the highest quality components to deliver 80 PLUS Gold efficient power to your PC, with virtually silent operation.

80 PLUS GOLD CERTIFIED
High efficiency operation for lower power consumption, less noise and cooler temperatures.

TUNED FOR LOW NOISE OPERATION
A specially set fan curve ensures that, even at full load, fan noise is kept to a minimum.

ZERO RPM FAN MODE
At low and medium loads the cooling fan switches off entirely for near-silent operation.

100% ALL JAPANESE 105°C CAPACITORS
Premium internal components ensure unwavering power delivery and long-term reliability.

FULLY MODULAR CABLES
Only connect the cables your system needs, making clean and tidy builds easier.

COMPACT SIZE
A 160mm-long casing ensures an easy fit in almost all modern enthusiast PC cases.

TEN-YEAR WARRANTY
Your guarantee of reliable operation that will last across several system builds.

Power Supply Units Corsair
Product
Name
Corsair RM850x power supply unit 850 W 20+4 pin ATX ATX Black
Category
Power Supply Units
Brand
Corsair
Power
Total power
850 W
AC input voltage
100 - 240 V
AC input frequency
47 - 63 Hz
Input current
6 - 12 A
Combined power (+3.3V)
150 W
Combined power (+12V)
850 W
Combined power (+5V)
150 W
Combined power (-12V)
9.6 W
Combined power (+5Vsb)
15 W
Max output current (+3.3V)
25 A
Max output current (+12V)
70.8 A
Max output current (+5V)
25 A
Max output current (-12V)
0.8 A
Max output current (+5Vsb)
3 A
Power protection features
Over power, Over voltage, Overheating, Short circuit, Under voltage
Weight & dimensions
Width
150 mm
Depth
160 mm
Height
86 mm
Weight
1.66 kg
Ports & interfaces
Motherboard power connector
20+4 pin ATX
Peripheral (Molex) power connectors (4-pin)
8
Motherboard power cable length
61 cm
Number of SATA power connectors
10
SATA power cable length
750,850 mm
Peripheral (Molex) power cable length
750 mm
EPS power connector (8-pin)
Yes
PCI Express power connectors (8-pin)
6
PCI Express power cable length
75 cm
Floppy disk drive connector
Yes
Floppy disk drive cable length
10.1 cm
PCI Express connector
Yes
Cabling type
Fully-Modular
Packaging data
Case badge included
Yes
Manual
Yes
Other features
Cable ties included
Yes
Performance
Purpose
PC
Power supply unit (PSU) form factor
ATX
80 PLUS certification
80 PLUS Gold
ATX version
2.4
EPS version
2.92
Bearing technology
Rifle
Mean time between failures (MTBF)
100000 h
Design
Product colour
Black
Cooling type
Active
Fan diameter
13.5 cm
Number of fans
1 fan(s)
On/off switch
Yes
Certificates
Compliance certificates
RoHS
Certification
FCC, ICES, CE, UL / CUL, CSA, C-Tick/RCM, TUV, CB, CU, KC Mark, WEEE, REACH
NOTE: The above information is provided for your convenience only, and we cannot guarantee its accuracy with the seller.

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