Lian Li SX1200P Platinum ATX3.1 1200W ATX Power Supply Black

Deliver next-level stability and efficiency to your high-performance build with the Lian Li SX1200P Platinum 1200W power supply. This PSU achieves elite 80 PLUS Platinum and PPLP Platinum certification by delivering up to 94% conversion efficiency, reducing heat and energy waste. It is fully compliant with the latest ATX 3.1 and PCIe 5.1 standards, featuring a reinforced native 12V-2x6 connector with high-current copper alloy terminals to safely power next-generation graphics cards and handle power excursions up to 200% of its rated output. Built exclusively with 100% premium Japanese 105degC capacitors, this unit guarantees exceptional durability and stable voltage regulation. Experience whisper-quiet operation thanks to a smart stop/start 120mm FDB fan that remains completely fanless up to a 40% load. The fully modular, compact 140mm ATX chassis ensures wide case compatibility and easy installation, while the included premium braided-texture cables with cable combs provide a clean, professional finish right out of the box, the SX Platinum is the definitive choice for a reliable and future-proof system.

Features

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Lian Li SX Platinum PSU Series

Platinum Performance, built for stability

• 80 PLUS Platinum & PPLP Platinum certified for efficiency and reduced heat.
• ATX 3.1 ready with reinforced 12V-2x6 high-current terminals for next-gen GPUs.
• Delivers stable 12V power with support for power excursions up to 200% of rated output.
• Fanless operation up to 40% load with smart stop/start for whisper-quiet performance.
• Equipped with 100% Japanese Rubycon / Nippon Chemi-Con / Nichicon 105°C capacitors.
• Compact 140 mm ATX length for wide-case compatibility.
• 10-year warranty for long-term confidence and system stability.