Power Supply Unit GIGABYTE UD850GM PG5 V2 ICE — 850W, PCIe Gen 5.1, 80 PLUS Gold, Fully Modular, 120mm Fan, ATX 3.1, UK Plug, White

GIGABYTE UD850GM PG5 V2 ICE is an ATX power supply delivering 850 W of stable output for high-performance desktop systems. It supports Intel ATX 3.1 and PCIe Gen 5.1 standards, features 80 PLUS Gold efficiency and a fully modular cable design in a compact white housing with a 120 mm cooling fan.

Advantages

The unit combines high efficiency with a powerful single +12V rail and 100% Japanese capacitors to ensure stable voltage and long-term reliability. A smart 120 mm hydraulic bearing fan and an optimized thermal solution provide effective cooling while keeping noise levels low. Multiple built-in protections (OVP/OPP/SCP/UVP/OCP/OTP) protect components and the system during operation.

Suitable for

• High-performance gaming PCs and workstations
• Systems requiring PCIe Gen 5.1 GPU support
• Compact ATX builds where space optimization is needed
• Upgrades that need 850 W continuous power with efficient operation

Key specifications

• Total power: 850 W
• Efficiency rating: 80 PLUS Gold (approx. 90% efficiency)
• Compatibility: Intel ATX 3.1, PCIe Gen 5.1 ready
• Design: Fully modular cables
• Cooling: 120 mm smart hydraulic bearing fan
• Rail: Single +12V rail
• Capacitors: 100% Japanese capacitors
• Input: 100–240 V, 50/60 Hz
• Motherboard connector: 20+4 pin ATX
• Colour: White
• Weight: 2.4 kg

How to use

Install the PSU into a compatible ATX case following the case and motherboard manufacturer instructions. Connect the fully modular cables to the PSU and then to the motherboard, GPU and drives as required, ensuring the 20+4 pin ATX connector is seated firmly. Verify input voltage range (100–240 V) and use the appropriate mains plug. Power on the system and monitor voltages and temperatures during initial operation.

Recommendations

For optimal reliability, ensure adequate case airflow and periodic dust cleaning of the 120 mm fan. Use cables provided and verify compatibility with PCIe Gen 5.1 devices; avoid overloading beyond the specified 850 W continuous rating.