Lian Li SX Platinum SX0850P 850W Full Modular Power Supply

Short Introduction

The Lian Li SX0850P is a premium, high-efficiency, fully modular ATX power supply unit designed to anchor modern, power-hungry desktop configurations. Engineered with direct compliance for the latest ATX 3.1 and PCIe 5.1 structural standards, it delivers absolute electrical stability and reliable power excursion safety under sudden peak hardware loads. Housed in an incredibly compact 140 mm chassis, the SX0850P pairs exceptional space optimization with top-tier cooling, quiet thermal performance, and clean aesthetics.

Key Highlights

• Dual Certification: 80 PLUS Platinum and PPLP Platinum Efficiency Ratings

• Full Structural Compliance with ATX 3.1 & PCIe 5.1 Framework Standards

• Safe High-Current Native 12V-2×6 PCIe GPU Power Delivery (Up to 600W)

• Premium Esthetics with Flexible Braided-Texture Power Cables & Included Cable Combs

• Compact 140 mm Depth Casing Enhancing Small Form Factor/mATX Layout Versatility

• Smart Zero-RPM Fan Stop/Start Control Switch for Silent Operation Below 40% Load

• Industrial-Grade 100% Japanese 105°C-Rated Thermal Capacitors

• Generous 10-Year Manufacturer Warranty Protection Plan

Product Overview

Next-Gen Power Delivery & Transient Safety

The SX0850P is purpose-built to handle the violent power spikes common to modern graphics cards. Fully compliant with ATX 3.1 and PCIe 5.1 guidelines, the unit safely tolerates massive power excursions up to 200% of its nominal rated output. For graphics hardware power delivery, it utilizes the updated, structural 12V-2×6 connector layout made with reliable high-current copper-alloy terminals. This design mitigates contact resistance and ensures a secure, high-wattage link to demanding PCIe 5.0/5.1 hardware components.

Dual Platinum Efficiency & Premium Internal Assembly

Boasting high-tier 80 PLUS Platinum and PPLP Platinum certifications, this power supply operates at up to 94% conversion efficiency under typical 50% system loads. This minimizes residual heat waste, saving power and lowering thermal strain. The internal circuitry is constructed with 100% Japanese 105°C-rated electrolytic and solid polymer capacitors from leading brands (including Nippon Chemi-Con and Rubycon), providing ripple suppression, tight voltage control, and a prolonged overall component lifespan.

Smart Silent Cooling & Compact Cable Management

Cooling is handled by a responsive 120 mm Fluid Dynamic Bearing (FDB) fan that balances high airflow with minimal operational noise. The rear panel houses a manual Fan ON/OFF switch that activates a hybrid zero-RPM mode. When active, the fan remains completely stationary at or below 40% load for silent operation during desk work or media streaming.

The fully modular architecture allows system builders to plug in only what they need. The main system lines feature premium braided-texture insulation sleeves and come bundled with matching cable combs, giving clean, professional aesthetics and optimal workspace airflow without requiring third-party extension cables.

Technical Specifications

Cable Configuration & Structural Interface Counts

• 1× Motherboard Main Power Connector (20+4 Pin) — Length: 600 mm

• 2× CPU / EPS Power Connectors (4+4 Pin) — Length: 700 mm

• 1× GPU High-Current Power Connector (12V-2×6 / 12+4 Pin, 600W Max) — Length: 600 mm

• 3× Traditional Graphics Connectors (PCIe 6+2 Pin) — (2 Cables at 550mm, 1 Dual Cable at 550mm+150mm)

• 8× Serial ATA Interface Power Outputs (Distributed across 2 modular flat cables)

• 4× Legacy Peripheral Outlets (Molex 4-Pin distributed across 1 modular flat cable)

Detailed System Protection Suites

To shield expensive computing hardware from erratic electrical faults, the SX0850P integrates a comprehensive safety monitor control loop covering:

• OPP (Over Power Protection) & OVP (Over Voltage Protection)

• OCP (Over Current Protection) & OTP (Over Temperature Protection)

• SCP (Short Circuit Protection) & UVP (Under Voltage Protection)

• SIP (Surge & Inrush Protection) & NLP (No Load Protection)

Compatibility

Fully compatible with:

• Modern high-end hardware, including NVIDIA GeForce RTX 40 and 50 series graphics cards requiring native 12V-2×6 / 12VHPWR power delivery.

• High-draw AMD Ryzen 7/9 and Intel Core i7/i9 processors on current socket configurations.

• Compact mATX cases, mid-tower setups, and dual-chamber cases (e.g., Lian Li O11 Vision Compact or A3-mATX) thanks to its shallow 140 mm depth.

What’s in the Box

• 1× Lian Li SX0850P 850W Platinum Modular PSU

• 1× Full Pack of Premium Braided/Flat Modular DC System Cables

• 1× Set of Snap-On Premium Acrylic Cable Alignment Combs

• 1× Heavy-Duty AC Wall Power Input Cable

• 1× Internal Mounting Hardware Accessory Screw Kit

• 1× Quick Start User Manual & Warranty Sheet

Pros

• Space-saving 140 mm depth footprint provides extra space for easy cable routing.

• Premium braided cables with included combs eliminate the need for expensive extensions.

• True ATX 3.1 and PCIe 5.1 integration ensures stable power delivery during sudden load spikes.

• High conversion efficiency runs cool, saving on electricity costs.

• Zero-RPM fan mode ensures completely silent operation under light desktop workloads.

Warranty & Support

• Official Warranty: 10-Year limited store and factory warranty protecting your purchase against component fatigue, internal fan bearing failure, and voltage regulation anomalies.

• Authentic Product: 100% genuine original retail Lian Li hardware item.

• Shipping & Delivery: Fast express logistics operational across all 69 wilayas in Algeria, featuring secure options for direct home parcel shipping or convenient localized stop-desk hub pickups.