In stock

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

SKU
CP-9020270-EU
£225.47 £187.89
850 W, 140 mm, FDB, 80 PLUS Gold, 150 x 160 x 86 mm, 3.28 kg

Note: These items come from the EU which will take 7-10 days to be delivered

  • Fully modular, Type-4 connectors
  • Cybenetics Gold-certified
  • ATX 3.1 compliant, supporting PCIe 5.1
  • Zero RPM Fan Mode for near-silent operation at lower loads
 
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Cooling
Fan diameter14 cm
Number of fans1 fan(s)
Cooling typeActive
Design
80 PLUS certification80 PLUS Gold
Product colourBlack
Fan diameter14 cm
Number of fans1 fan(s)
Cooling typeActive
Power
Total power850 W
AC input voltage100 - 240 V
AC input frequency47 - 63 Hz
Input current10 - 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
Power protection featuresOver current, Over power, Over voltage, Overheating, Short circuit
Efficiency90%
Ports & interfaces
Motherboard power cable length61 cm
SATA power cable length455,570,685,800 mm
Peripheral (Molex) power cable length450,550,650,750 mm
PCI Express power cable length75 cm
Motherboard power connector24-pin ATX
Number of SATA power connectors12
Peripheral (Molex) power connectors (4-pin)2
PCI Express power connectors (6+2 pin)3
Cabling typeFully-Modular
EPS power connector (4+4 pin)Yes
PCI Express power connectors (16-pin)1
Performance
Power supply unit (PSU) form factorATX
80 PLUS certification80 PLUS Gold
PurposePC/Server
ATX version3.0
EPS version2.92
Certificates
Compliance certificatesLow Voltage Directive (LVD), RoHS, UKCA
80 PLUS certification80 PLUS Gold
Packaging content
Cables includedAC, DC
Cable tie(s) includedYes
Weight & dimensions
Width150 mm
Depth160 mm
Height86 mm
Weight3.28 kg
Packaging data
Cables includedAC, DC
Technical details
Compliance certificatesLow Voltage Directive (LVD), RoHS, UKCA
RMx SERIES
THE GOLD STANDARD OF POWER SUPPLIES

QUIET, DEPENDABLE, EFFICIENT
Our best-selling PSU, updated. This fully modular, low noise, Cybenetics Gold-certified power supply is ATX 3.1 compliant and ideal for delivering dependable power to today's top-performing PCs.

50°C CONTINUOUS OPERATING TEMPERATURE
Ensures reliable power for your PC, even under high-stress conditions.

105°C-RATED CAPACITORS
Built with 100% Industrial-grade, 105°C-rated Japanese electrolytic capacitors for unwavering power and reliability.

ATX 3.1 CERTIFIED
Be confident your PSU supports the latest sleep and hibernate modes and modern CPU and GPU requirements. ATX 3.1 compliance ensures full compatibility with modern components and power states.

FULLY MODULAR CONNECTORS
Connect only what you need using sleek embossed cables with low-profile combs to make installations a breeze.

Native 12V-2x6 GPU cable included for use with modern graphics cards such as the NVIDIA® GeForce RTX™ 40 Series.

THE STRONG, SILENT TYPE

140mm LOW-NOISE FAN
A fluid dynamic bearing fan with magnetic dome structure keeps noise to a minimum, with Zero RPM mode to eliminate fan noise completely at low to medium loads.

MANUAL FAN OVERRIDE KNOB
Want to get more air through the PSU or to exhaust some heat from your case? You can override the Zero RPM Mode and low-noise profile of the RMx Series with our manual fan override knob, increasing fan speed and airflow.
Cooling
Fan diameter14 cm
Number of fans1 fan(s)
Cooling typeActive
Design
80 PLUS certification80 PLUS Gold
Product colourBlack
Fan diameter14 cm
Number of fans1 fan(s)
Cooling typeActive
Power
Total power850 W
AC input voltage100 - 240 V
AC input frequency47 - 63 Hz
Input current10 - 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
Power protection featuresOver current, Over power, Over voltage, Overheating, Short circuit
Efficiency90%
Ports & interfaces
Motherboard power cable length61 cm
SATA power cable length455,570,685,800 mm
Peripheral (Molex) power cable length450,550,650,750 mm
PCI Express power cable length75 cm
Motherboard power connector24-pin ATX
Number of SATA power connectors12
Peripheral (Molex) power connectors (4-pin)2
PCI Express power connectors (6+2 pin)3
Cabling typeFully-Modular
EPS power connector (4+4 pin)Yes
PCI Express power connectors (16-pin)1
Performance
Power supply unit (PSU) form factorATX
80 PLUS certification80 PLUS Gold
PurposePC/Server
ATX version3.0
EPS version2.92
Certificates
Compliance certificatesLow Voltage Directive (LVD), RoHS, UKCA
80 PLUS certification80 PLUS Gold
Packaging content
Cables includedAC, DC
Cable tie(s) includedYes
Weight & dimensions
Width150 mm
Depth160 mm
Height86 mm
Weight3.28 kg
Packaging data
Cables includedAC, DC
Technical details
Compliance certificatesLow Voltage Directive (LVD), RoHS, UKCA

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SKU
CP-9020270-EU
PWS-203-1H
PWS-563-1H
PWS-281-1H
PSU 250W_3
00FK936
Manufacturer
Corsair
Supermicro
Supermicro
Supermicro
Synology
Lenovo
Purpose
PC/server
N/A
server
N/A
server
server
Power supply unit (PSU) form factor
ATX
1U
1U
1U
N/A
2U