Power outages and unstable voltage can crash a high-performance PC, wasting time and data. A reliable power supply keeps every component fed with clean, consistent energy, so you can game, create or work without interruptions. The Corsair RM850e, 850 W, 100 - 240 V, 47 - 63 Hz, 10 - 5 A, Power Supply delivers exactly that, offering quiet, efficient power for demanding builds.
Why Choose a Corsair Power Supply
Modern rigs demand more power and tighter efficiency, yet many supplies struggle with noise or overheating. This unit solves those issues with ATX 3.1 certification, a low-noise fan and fully modular cables, ensuring stable delivery even under heavy load. By meeting the latest standards, it protects your hardware and reduces electricity costs, giving you peace of mind.
Usages of an 850 W Power Supply
Ideal for high-end gaming PCs, content-creation workstations and servers that run multiple GPUs or overclocked CPUs, this supply handles the load of the latest graphics cards and processors while keeping cables tidy and airflow optimal.
Benefits of Corsair Power Supply
You get quiet operation thanks to a 120 mm rifle-bearing fan that only spins up when needed, and 80 PLUS Gold efficiency that cuts power bills. The fully modular design lets you use only the cables you require, improving cable management and airflow. ATX 3.1 certification guarantees compatibility with future components, and the robust resonant LLC topology ensures long-term reliability. Finally, world-class support means any issue is quickly resolved.
Key Features of an 850 W Power Supply
- Wattage: 850 W. Provides ample power for high-end GPUs and CPUs.
- Efficiency: 80 PLUS Gold. Delivers up to 90 % efficiency, lowering electricity use.
- Certification: ATX 3.1. Meets the newest reliability and safety standards.
- GPU Connectors: 12 V-2×6 and two 6+2 pin. Supports modern and next-gen graphics cards.
- Modular Cabling: Fully-Modular. Allows you to connect only the cables you need.
- Fan: 120 mm rifle-bearing fan. Keeps noise low even at full load.
- Size: 140 mm height, 86 mm depth, 150 mm width. Fits easily in most ATX cases.
- Weight: 2.93 kg. Sturdy yet manageable for installation.
- Capacitors: 105 °C industrial-grade. Ensures stable performance over many years.
- MTBF: 100 000 h. Offers exceptional longevity and dependable operation.
Specifications
| Power |
| Max output current (+5Vsb) |
3 A |
| Max output current (+5V) |
20 A |
| Max output current (+12V) |
62.5 A |
| Max output current (+3.3V) |
20 A |
| Combined power (+5Vsb) |
15 W |
| Combined power (+5V) |
150 W |
| Combined power (+12V) |
850 W |
| Combined power (+3.3V) |
150 W |
| Input current |
10 - 5 A |
| AC input frequency |
47 - 63 Hz |
| AC input voltage |
100 - 240 V |
| Total power |
850 W |
| Ports & interfaces |
| Cabling type |
Fully-Modular |
| PCI Express connector |
Yes |
| PCI Express power connectors (12+4 pin) |
1 |
| PCI Express power connectors (6+2 pin) |
2 |
| EPS power connector (4+4 pin) |
Yes |
| Number of PATA power connectors |
2 |
| Number of SATA power connectors |
6 |
| Motherboard power connector |
24-pin ATX |
| Performance |
| Mean time between failures (MTBF) |
100000 h |
| Bearing technology |
Rifle |
| Silent mode |
Yes |
| ATX version |
3.1 |
| 80 PLUS certification |
80 PLUS Gold |
| Power supply unit (PSU) form factor |
ATX |
| Purpose |
PC |
| Design |
| On/off switch |
Yes |
| Illumination |
No |
| Fan location |
Front |
| Number of fans |
1 fan(s) |
| Fan diameter |
12 cm |
| Cooling type |
Active |
| Product colour |
Black |
| Certificates |
| Compliance certificates |
CE, RoHS, UKCA |
| Weight & dimensions |
| Weight |
2.93 kg |
| Height |
140 mm |
| Depth |
86 mm |
| Width |
150 mm |
| Packaging data |
| Package type |
Box |
| Other features |
| Power plug type |
Type G |
