Lian Li SX Series 80 PLUS Platinum Power Supply, fully modular, PCIe 5.1, ATX 3.1 - 850 Watts, black

The Lian Li SX Series 850 W Power Supply is perfect for anyone building a powerful gaming PC or workstation. With up to 850 watts, it delivers enough power for high-end processors, modern graphics cards, and extensive cooling systems.

Thanks to the 120 mm fan with Zero-RPM mode, the power supply remains quiet when your system is under light load. The fully modular design also ensures a tidy interior – you only plug in the cables you actually need.

Features:

–  850 Watts Power: Ideal for high-end PCs with powerful hardware
– 80 PLUS Platinum Efficiency: Up to 92% efficiency at half load
– Fully modular design: includes flexible, sleeved cables
– ATX 3.1 & PCIe 5.1 Standard: Future-proof and GPU compatible
– Quiet Operation: 120mm fan with Zero RPM mode
– Lian Li SX Platinum: Maximum Performance for Modern Hardware

Lian Li SX Series 850W Power Supply
The Lian Li SX Series 850 W reliably powers even high-end components. It supports current AMD and Intel processors as well as large graphics cards like the RTX 5000 series.

Thanks to ATX 3.1 and PCIe 5.1 compatibility, it is also well prepared for upcoming hardware generations. The power supply also offers a native 12V 2×6 connector for modern GPUs – no adapters required.

High Efficiency & Quiet Operation
Power supply with fan
Inside, high-quality Japanese capacitors ensure stable power delivery and long lifespan. With an efficiency of up to 92%, the power supply works particularly energy-efficiently.

The 120 mm FDB fan runs up to 2,000 RPM under heavy load, ensuring cool temperatures. At low load, it automatically switches to Zero-RPM mode – for completely silent operation.

Clean Cable Management Thanks to Modular Design
Fully modular power supply
The Lian Li SX Series offers fully modular connectors. You only connect the cables you actually need – keeping your system tidy and airflow unobstructed.

The included braided cables are flexible and easy to route. The 12V 2×6 connector has a two-color marking that shows when the connection is securely locked in place. You can be confident that the plug is properly seated.

Safe & Durable
For maximum safety, the power supply protects your system with multiple protection features such as overvoltage, overload, short circuit, and no-load protection. This keeps your hardware protected in the long term.