Power Supply Unit Lian Li EG0850 850 W SFX, 20-pin ATX, 80 PLUS Gold, White

The Lian Li EG0850 is an 850 W SFX power supply unit for desktop PCs. It supports 100–240 V AC input, delivers high conversion efficiency (about 91.89%) and holds an 80 PLUS Gold certification. The unit provides stable auxiliary and peripheral power with combined output on the +3.3 V rail and comes in a white finish with a compact SFX form factor.

Advantages

The compact SFX design allows installation in small-form-factor and space-constrained cases while still offering 850 W of total power. 80 PLUS Gold certification and measured efficiency near 91.89% reduce power losses and heat generation. Included cables for CPU, PCIe, Molex and SATA provide compatibility with a wide range of system components, and the white housing offers a neutral, modern appearance for visible builds.

Suitable for

• Small-form-factor gaming and workstation PCs
• Compact HTPC and living-room systems
• Systems requiring high-efficiency power delivery
• Builds where a white PSU is preferred for aesthetics

Key specifications

• Total power: 850 W
• Input voltage: 100–240 V AC
• Efficiency: approximately 91.89%
• Certification: 80 PLUS Gold
• Form factor: SFX
• Motherboard power connector: 20-pin ATX
• Combined +3.3 V rail output: 100 W
• Noise level: 31.8 dB
• Product colour: White
• Motherboard cable length: 30 cm; SATA cable length: 120 mm

How to use

Install the Lian Li EG0850 into a compatible SFX or SFX-to-ATX adapter bracket following your case manufacturer’s instructions. Connect the 20-pin ATX motherboard cable and route the CPU, PCIe, Molex and SATA cables to the appropriate components. Ensure the AC input is connected to a grounded outlet within the 100–240 V range and verify connections before powering the system. Monitor initial operation for proper fan behavior and stable voltages.

Recommendations

For optimal cooling and longevity, maintain adequate case airflow around the PSU, avoid blocking intake or exhaust vents, and use a surge protector or UPS if your mains supply is unstable.