Power outages, unstable voltages and noisy fans can cripple a high-performance PC, leaving you frustrated and risking expensive components. The 850 W Power Supply delivers clean, reliable electricity to keep every part running smoothly, whether you’re gaming, editing video or over-clocking, and does it with whisper-quiet operation.
Why Choose GIGABYTE Power Supply
You need a power source that can handle demanding builds without overheating or failing. Inconsistent power can cause crashes, data loss and shorten component life, which is a real cost to you. This unit solves those issues with robust protection circuits, high-efficiency design and a compact form that fits most cases, ensuring stable performance and lower electricity bills.
Usages of a 850 W Power Supply
Ideal for high-end gaming rigs, workstations and custom builds that require multiple graphics cards or heavy CPU loads, this supply provides ample headroom for future upgrades while maintaining efficient power delivery.
Benefits of GIGABYTE Power Supply
You enjoy peace of mind from six built-in protection safeguards that guard against over-current, over-voltage and short circuits. The single +12 V rail offers consistent power for overclocked components, while the 80 PLUS Gold rating reduces waste heat and keeps your system quieter. Fully modular cables let you organise wiring for better airflow, and the compact 140 mm width fits tight cases without sacrificing performance.
Key Features of a 850 W Power Supply
- Ultra Durable design: high-quality Japanese capacitors and reinforced thermal solution for long-term reliability.
- Japanese capacitors: ensure efficient performance and extended lifespan.
- Enlarged heatsink: about 200 % larger, improving heat dissipation by over 10 %.
- 120 mm HYB fan: smart hydraulic bearing fan adjusts speed and stops under low load for silent operation.
- Six protection circuits: OCP, OTP, OVP, OPP, UVP and SCP keep your system safe.
- Fully-modular cables: only connect what you need, reducing clutter and improving airflow.
- 80 PLUS Gold certification: delivers 90 % efficiency at 50 % load, cutting power waste.
- Single +12 V rail: provides stable, high-current output ideal for overclocking.
- Compact dimensions: 86 mm × 150 mm × 140 mm fits most chassis without space issues.
- 100-240 V input range: works worldwide with 50/60 Hz frequency support.
Specifications
| Power |
| Power protection features |
Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage |
| Efficiency |
90% |
| Hold time |
16 ms |
| 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) |
105 W |
| Combined power (+12V) |
849.6 W |
| Combined power (+3.3V) |
105 W |
| Number of +12V rail(s) |
1 |
| Power Factor Correction (PFC) type |
Active |
| Power factor |
0.9 |
| Input current |
12 - 6 A |
| AC input frequency |
50/60 Hz |
| AC input voltage |
100 - 240 V |
| Total power |
850 W |
| Ports & interfaces |
| Cabling type |
Fully-Modular |
| Floppy drive power connector |
1 |
| ATX power connector (20+4 pin) |
Yes |
| CPU power cable length |
60 cm |
| CPU power connector (4+4 pin) |
Yes |
| PCI Express power cable length |
60 cm |
| PCI Express power connectors (6+2 pin) |
4 |
| EPS power connector (4+4 pin) |
Yes |
| Peripheral (Molex) power cable length |
500,620,740 mm |
| Peripheral (Molex) power connectors (4-pin) |
3 |
| SATA power cable length |
600,750,900,1050 mm |
| Number of SATA power connectors |
8 |
| Motherboard power cable length |
61 cm |
| Motherboard power connector |
20+4 pin ATX |
| Performance |
| Mean time between failures (MTBF) |
100000 h |
| Bearing technology |
HYB |
| ATX version |
2.31 |
| 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 |
12 cm |
| Product colour |
Black |
| Weight & dimensions |
| Height |
86 mm |
| Depth |
150 mm |
| Width |
140 mm |
| Packaging data |
| Package type |
Box |
