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Product Code: PSEL-047
MPN #: CP-9020232-UK
Power-hungry builds often suffer from unstable voltages and noisy fans that ruin the gaming experience. The Corsair RM850, 850 W, 100 - 240 V, 47 - 63 Hz, 10 A, Power Supply Unit delivers reliable, ultra-quiet power so you can push your components to the limit without worrying about crashes or constant fan whine. It is a fully modular, 80 PLUS Gold certified PSU designed for high-performance PCs.
Modern PCs demand clean, consistent electricity, especially when multiple graphics cards or over-clocked CPUs are involved. Unstable power can cause system instability, data loss, or reduced component lifespan. This unit solves those issues by providing 91 % peak efficiency, a zero-RPM fan mode for silent idle, and a robust resonant LLC topology that keeps voltage ripple to a minimum. The result is a stable platform that lets you focus on gaming, content creation, or heavy multitasking without power-related interruptions.
A short list of the real-world advantages you’ll notice:
This power supply is ideal for high-end gaming rigs, workstations handling 3D rendering, and any system that requires multiple PCI-Express power connectors. Its 850 W capacity comfortably supports dual-GPU setups, high-performance CPUs, and numerous storage devices, making it a versatile choice for both enthusiasts and professionals.
| Power | |
| Efficiency | 91% |
| Max output current (+5Vsb) | 3 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5V) | 20 A |
| Max output current (+12V) | 70.8 A |
| Max output current (+3.3V) | 20 A |
| Combined power (+5Vsb) | 15 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5V) | 150 W |
| Combined power (+12V) | 850 W |
| Combined power (+3.3V) | 150 W |
| Maximum input current (@220V) | 10 A |
| Maximum input current (@110V) | 5 A |
| 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 |
| ATX Power connector (24-pin) | Yes |
| PCI Express power cable length | 60 cm |
| PCI Express power connectors (6+2 pin) | 4 |
| EPS power connector (4+4 pin) | Yes |
| EPS power connector (8-pin) | Yes |
| SATA power cable length | 750,850 mm |
| Number of PATA power connectors | 4 |
| Number of SATA power connectors | 14 |
| Motherboard power cable length | 61 cm |
| Motherboard power connector | 24-pin ATX |
| Performance | |
| Mean time between failures (MTBF) | 100000 h |
| Bearing technology | Rifle |
| Noise level | 30 dB |
| ATX version | 2.4 |
| Supported motherboard form factors | ATX |
| 80 PLUS certification | 80 PLUS Gold |
| Power supply unit (PSU) form factor | ATX |
| Purpose | PC |
| Design | |
| On/off switch | Yes |
| Number of fans | 1 fan(s) |
| Fan diameter | 14 cm |
| Product colour | White |
| Certificates | |
| Certification | Cybenetics "Gold", Cybenetics "A -" |
| Packaging content | |
| Cables included | AC, DC, PATA, PCIe, SATA |
| Weight & dimensions | |
| Weight | 1.65 kg |
| Height | 86 mm |
| Depth | 150 mm |
| Width | 160 mm |
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We are retiring PICOPC Products MNHO-073, MNHO-048 and MNHO-043 and they have reached EOL (End Of Life) as we are introducing new products with better technology. We would recommend you to look into MNHO-095. For Untangle, pfSense, OPNsense, Windows 11, Proxmox VE etc. we recommend MNHO-095 whereas for Sophos, Kerio Control and Endian, we would recommend MNHO-069. (A complete list of supported OS can be found in each product's listing)