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Corsair RMx Series RM850x power supply unit 850 W 24-pin ATX ATX Black
159,01 €
Monthly payment from 4.99 €
3138728 CP-9020270-EU
0840006667445, 8400066674450
2026-07-17
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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.
Power | |
| Efficiency | 90% |
| Input current | 10 - 5 A |
| Power protection features | Over current, Overload, Over voltage, Overheating, Short circuit |
| 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 |
| AC input voltage | 100 - 240 V |
| AC input frequency | 47 - 63 Hz |
| Total power | 850 W |
Performance | |
| ATX version | 3.0 |
| EPS version | 2.92 |
| Purpose | PC/Server |
| 80 PLUS certification | 80 PLUS Gold |
| Power supply unit (PSU) form factor | ATX |
Design | |
| Product colour | Black |
| Number of fans | 1 fan(s) |
| Fan diameter | 14 cm |
| Cooling type | Active |
Ports & interfaces | |
| Number of SATA power connectors | 12 |
| Peripheral (Molex) power connectors (4-pin) | 2 |
| PCI Express power connectors (6+2 pin) | 3 |
| Motherboard power connector | 24-pin ATX |
| Cabling type | Fully-Modular |
| Motherboard power cable length | 61 cm |
| SATA power cable length | 570, 800, 455, 685 |
| Peripheral (Molex) power cable length | 450, 550, 650, 750 |
| PCI Express power cable length | 75 cm |
| EPS power connector (4+4 pin) | Yes |
| PCI Express power connectors (16-pin) | 1 |
Weight & dimensions | |
| Weight | 3.28 kg |
| Width | 150 mm |
| Depth | 160 mm |
| Height | 86 mm |
Packaging content | |
| Cables included | AC, DC |
| Cable tie(s) included | Yes |
Certificates | |
| Compliance certificates | RoHS, Low Voltage Directive (LVD), UKCA |