Tired of power drops and noisy fans ruining your gaming sessions? The Power Supply Unit delivers clean, reliable energy to every component, keeping your rig stable and whisper-quiet even under heavy loads. With fully modular cables and 850 W of Gold-rated efficiency, it lets you build high-performance PCs without worrying about overheating or wasted power.
Why Choose a Corsair Power Supply Unit
Many buyers worry about choosing a PSU that can handle future upgrades while staying quiet. You might fear that a cheap unit will overheat or fail, forcing costly replacements. This unit removes those doubts with industry-leading 80 PLUS Gold certification, a zero-RPM fan mode for silent operation, and a ten-year warranty that guarantees long-term reliability.
Key Features of a 850 W Power Supply Unit
- Efficiency: 91 %. Guarantees most of the electricity you draw is turned into usable power, reducing heat and electricity bills.
- Zero RPM fan mode: Fan stops at low and medium loads, giving you near-silent operation when the system isn’t stressed.
- 140 mm rifle bearing fan: Keeps the fan running smoothly and quietly even when it does spin.
- Fully-modular cabling: You only plug in the cables you need, improving airflow and cable management.
- EPS12V connectors: Multiple connectors support modern motherboards and high-end CPUs.
- PCIe power: Four 6+2 pin connectors and 60 cm cables ready for the latest graphics cards.
- Input range: 100-240 V, 47-63 Hz, so it works worldwide without a voltage converter.
- Dimensions: 86 mm × 150 mm × 160 mm, fitting standard ATX cases while staying compact.
Usages of a 850 W Power Supply Unit
Ideal for gamers building high-end rigs, content creators needing multiple GPUs, and professionals assembling workstations that demand stable, efficient power for long hours of rendering or simulation.
Benefits of Corsair Power Supply Unit
- Silent operation: Zero-RPM mode means you won’t hear the fan during most tasks.
- Energy savings: 91 % efficiency cuts electricity costs and reduces heat output.
- Future-proof: Plenty of power and connectors for upcoming upgrades and new hardware.
- Peace of mind: Ten-year warranty and industrial-grade capacitors ensure lasting reliability.
- Easy installation: Fully modular design simplifies cable routing and improves airflow.
Specifications
| 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 |
