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.

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

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