Lian Li SX1200P 1200W 80 Plus Platinum PPLP Platinum PCIe 5.1 ATX 3.1 Full Modular Power Supply White
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Lian Li SX1200P 1200W 80+ Platinum PPLP Platinum PCIe 5.1 ATX 3.1 Full Modular Power Supply White
Unleash limitless, pristine power for flagship multi-GPU and workstation systems with the Lian Li SX1200P White. Certified for both 80 PLUS® Platinum and PPLP Platinum, this stunning all-white 1200W powerhouse complies with Intel ATX 3.1 and PCIe 5.1 standards. Equipped with dual native 12V-2x6 600W connectors, premium individually braided white cables with cable combs, 100% Japanese 105°C capacitors, and a quiet 120mm FDB cooling fan with Zero-RPM silent mode.
Extreme RTX 4090 / 5090 Tier Gaming & Multi-GPU
Dual native 12V-2x6 600W outputs deliver unthrottled current to flagship cards with up to 235% transient excursion resilience.
Pristine All-White Heavy Workstations
Pure white aluminum styling, matching white modular sockets, and factory-sleeved braided cables bring ultra-clean luxury to open-view builds.
Power Architecture & Thermal Highlights
Dual Tier 80 PLUS & PPLP Platinum Certified
Exceeds 92% electrical efficiency under typical loads, rigorously validated under stringent PPLP lab testing for voltage ripple and power factor.
Dual Native 12V-2x6 600W Connectors
Equipped with two dedicated 16-pin PCIe 5.1 connectors to power heavy multi-GPU AI workstations or ultra-overclocked flagship GPUs.
Custom Individually Braided White Cables
Includes matching all-white custom-sleeved cables with pre-installed transparent cable combs for a flawless showcase finish.
120mm FDB Fan with Zero-RPM Silence
The fluid dynamic bearing fan stays completely off during light workloads and ramps up smoothly under heavy rendering and gaming.
Recommended Component Synergy
Processors (CPUs)
Continuous clean power delivery for multi-threaded CPUs under maximum boost.
Graphics Cards (GPUs)
Native 12V-2x6 single-cable feeding RTX 40 & 50 series graphics cards.
Motherboards
Dual EPS 8-pin connectors to feed reinforced VRM power stages.
PC Cases
Compact chassis length ensuring generous cable management clearance.
Build Your Dream Custom PC with Certified AHW Engineers
Select 100% compatible components and let our engineers assemble, cable-manage, and stress-test your rig.
Comprehensive Hardware Specifications
| Model Name | Lian Li SX1200P Platinum White |
| Continuous Power Rating | 1200 Watts |
| Chassis & Cable Color | Pristine All-White Edition |
| Efficiency Rating | 80 PLUS® Platinum & PPLP Platinum Certified (92%+ Efficiency) |
| Standard Compliance | Intel ATX 3.1 & PCIe 5.1 (ATX 12V v3.1) |
| PCIe 5.1 / 12V-2x6 Connectors | 2x Native 16-Pin 12V-2x6 Connectors (Up to 600W Each) |
| PCIe 6+2 Pin Connectors | 4x PCIe 6+2 Pin White Connectors |
| CPU EPS Connectors | 2x 8(4+4) Pin EPS White Connectors |
| Main ATX Connector | 1x 24(20+4) Pin White Motherboard Connector |
| SATA & Peripheral Connectors | 12x SATA Connectors + 4x 4-Pin Molex |
| Cable Finish | Custom Factory Braided Sleeved White Cables with Combs |
| Cooling Fan & Bearing | 120mm Fluid Dynamic Bearing (FDB) Silent Fan |
| +12V Rail Architecture | Single +12V Rail delivering up to 100A (1200W) |
| Circuit Topology | Active PFC with Full Bridge LLC Resonant & DC-to-DC Converter |
| Capacitor Grade | 100% Japanese 105°C Industrial-Grade Capacitors |
| Industrial Safety Suite | OCP, OVP, OPP, OTP, SCP, UVP |
| Physical Dimensions | 160 x 150 x 86 mm (Standard ATX) |
