1200W Lian Li SX Platinum White ATX 3.1 Fully Modular PSU

The Lian Li SX Series 1200W is a fully modular power supply with 80 PLUS Platinum efficiency, delivering robust and stable power for high-end gaming PCs and workstations.

Key Features

• 1200W Power Output – Easily supports modern CPUs and GPUs, including the NVIDIA RTX 5090.
• 80 PLUS Platinum Efficiency – Up to 92% efficient at half load, reducing energy waste and heat.
• Fully Modular Design – Braided cables for cleaner builds; connect only the cables you require.
• ATX 3.1 & PCIe 5.1 Compliant – Future-proof with native support for 12V-2x6 power connectors.
• 120mm FDB Fan with Zero RPM Mode – Silent operation under light loads for a quieter environment.
• 10-Year Warranty – Backed by Lian Li for long-term reliability and peace of mind.

Efficiency & Modularity

• Achieves 80 PLUS Platinum certification with premium Japanese 105°C capacitors for durability.
• Fully modular backplate minimises cable clutter, improving airflow and build aesthetics.
• Includes a full set of flexible white braided cables to match your build's colour scheme.

Connectors & Protections

• Connectors: 2x 4+4-Pin EPS (CPU), 1x 12V-2x6 (GPU), 3x 8-Pin PCIe, and 8x SATA for broad compatibility.
• Protections: OVP (Over Voltage), UVP (Under Voltage), SCP (Short Circuit), OPP (Over Power), OTP (Over Temperature), and OCP (Over Current) ensure system safety.