Power outages and unstable voltages can crash your PC just when you need it most. The GIGABYTE UD850GM PG5W, 850 W, 100 - 240 V, 12 A, Power Supply delivers reliable, high-efficiency power to keep every component running smoothly, whether you’re gaming, creating content, or building a workstation.
Why Choose a GIGABYTE Power Supply
Many buyers worry about whether a PSU can handle the latest graphics cards and maintain efficiency under load. They also fear noisy fans and short lifespans. This unit meets the Intel ATX 3.0 standard, supports PCIe Gen 5.0 with a 16-pin cable, and carries an 80 PLUS Gold rating, removing those doubts with proven performance and quiet operation.
Key Features of a 850 W Power Supply
- Efficiency: 90 %. Guarantees low power waste and reduced heat.
- Certification: 80 PLUS Gold. Confirms high efficiency at typical loads.
- Modular design: Fully-Modular. Lets you connect only the cables you need for a tidy build.
- Fan: 120 mm Smart Hydraulic Bearing (HYB). Adjusts speed automatically and can stop at low loads for silent operation.
- Capacitors: Japanese capacitors. Provide long-term reliability and stable voltage.
- Thermal solution: Enlarged heatsink (≈200 % larger). Improves cooling and extends component life.
- Protection: OCP, OTP, OVP, OPP, UVP, SCP. Safeguards your system from electrical faults.
- Dimensions: 86 mm × 140 mm × 150 mm. Fits easily into most cases without space issues.
- Output: +12 V up to 61 A (732 W). Supplies ample power for high-end GPUs and CPUs.
Usages of a 850 W Power Supply
Ideal for gamers building a rig with the newest PCIe Gen 5.0 graphics cards, professionals needing stable power for workstations, and enthusiasts who want a future-proof PSU that fits compact cases while delivering quiet, efficient performance.
Benefits of GIGABYTE Power Supply
- Quiet operation: Fan stops at low loads, keeping your workspace noise-free.
- Long-term stability: Six circuit protections and high-quality components protect your investment.
- Energy savings: 90 % efficiency reduces electricity bills and heat output.
- Easy installation: Fully-modular cables minimise clutter and improve airflow.
- Future readiness: ATX 3.0 compliance and 16-pin support handle next-generation GPUs.
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) |
2.3 A |
| Max output current (+5V) |
20 A |
| Max output current (+12V) |
61 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) |
732 W |
| Combined power (+3.3V) |
105 W |
| Power Factor Correction (PFC) type |
Active |
| Input current |
12 A |
| AC input voltage |
100 - 240 V |
| Total power |
850 W |
| Ports & interfaces |
| Cabling type |
Fully-Modular |
| Floppy disk drive cable length |
15 cm |
| Floppy disk drive connector |
Yes |
| 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 |
120,500 mm |
| Peripheral (Molex) power connectors (4-pin) |
3 |
| SATA power cable length |
150,300,450,600 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 |
| Fan location |
Top |
| Number of fans |
1 fan(s) |
| Fan diameter |
12 cm |
| Cooling type |
Active |
| Product colour |
White |
| Packaging content |
| Cables included |
CPU, PCIe, Peripheral (Molex), SATA |
| Weight & dimensions |
| Height |
86 mm |
| Depth |
140 mm |
| Width |
150 mm |
