LIAN LI SX1000P 1000W 80 PLUS Platinum Power Supply

Full Product Description

1000W High-Performance Power Delivery

The LIAN LI SX1000P is a 1000W power supply designed for high-performance desktop systems requiring stable and efficient power delivery. As part of the SX Platinum Series, it combines a high-output design with 80 PLUS Platinum certification and a powerful +12V rail capable of delivering 999.6W.

The high-capacity output makes the SX1000P suitable for demanding PC configurations where consistent power delivery is essential.

Key benefits:

• 1000W maximum DC output
• 999.6W combined +12V output
• 100W combined +3.3V and +5V output
• Designed for high-performance desktop systems
• Stable power delivery for demanding hardware

80 PLUS Platinum Efficiency

The SX1000P features 80 PLUS Platinum certification, providing an efficient power platform for modern desktop computers. LIAN LI also lists the SX Platinum series as PPLP Platinum certified.

Benefits

• 80 PLUS Platinum efficiency
• Reduced power conversion losses
• Lower heat generation
• Efficient operation
• Suitable for high-performance systems

ATX 3.1 Ready

The SX1000P supports the ATX 3.1 standard and is equipped with reinforced 12V-2×6 high-current terminals for next-generation graphics cards. LIAN LI states that the series supports power excursions of up to 200% of rated output.

Benefits

• ATX 3.1 compatibility
• 12V-2×6 support
• Designed for modern GPUs
• Supports high power excursions
• Suitable for next-generation PC hardware

Fully Modular Cabling

The SX1000P uses a fully modular DC output cable design, allowing builders to connect only the cables required for their configuration.

Benefits

• Fully modular cables
• Cleaner cable management
• Easier installation
• Less unnecessary cabling
• Improved space management inside the PC

This design is particularly useful when building systems where efficient cable routing is important.

12V-2×6 and PCIe GPU Support

LIAN LI equips the SX Platinum series with modern GPU power connectivity. The 1000W model includes three PCIe 6+2 cables plus two 12V-2×6-to-dual-PCIe 6+2 cables, providing flexible GPU power options.

Benefits

• 12V-2×6 high-current connector
• Three PCIe 6+2 cables
• Two additional 12V-2×6 to dual PCIe 6+2 cables
• Supports multiple GPU power configurations
• Designed for high-end graphics hardware

120mm FDB Cooling Fan

The SX1000P uses a 120mm Fluid Dynamic Bearing (FDB) fan with a maximum speed of 2000 RPM. The SX Platinum series also supports fanless operation under suitable load conditions.

Benefits

• 120mm FDB fan
• Up to 2000 RPM
• Fanless operation up to 40% load
• Smart fan stop/start
• Efficient PSU cooling
• Quiet operation during suitable loads

LIAN LI specifies a minimum 100,000-hour fanless operating time at 25°C and 75% load.

Japanese 105°C Capacitors

The SX Platinum series uses 100% Japanese Rubycon, Nippon Chemi-Con, or Nichicon capacitors, rated for 105°C operation.

Benefits

• Japanese capacitors
• 105°C-rated components
• Stable voltage regulation
• Reduced ripple
• Long-term reliability
• Designed for demanding operating conditions

Comprehensive Protection

The SX1000P includes multiple protection mechanisms designed to protect the PSU and connected components from various electrical conditions.

Protection Features

• OCP — Over Current Protection
• OVP — Over Voltage Protection
• OTP — Over Temperature Protection
• OPP — Over Power Protection
• SCP — Short Circuit Protection
• UVP — Under Voltage Protection
• NLP — No Load Protection
• SIP — Surge & Inrush Protection

These protections provide multiple layers of safety during normal and demanding system operation.

Compact 140mm Design

Despite its 1000W output, the SX1000P uses a 140mm depth, while its overall dimensions are 150 × 86 × 140mm. LIAN LI highlights the 140mm standard length as helping provide broader case compatibility and additional cable-routing space.

Benefits

• 150mm width
• 86mm height
• 140mm depth
• Standard ATX form factor
• Improved cable-routing space
• Suitable for various compact PC configurations

Ventilated Front Panel

The SX Platinum series features a patterned open-mesh front panel designed to improve airflow through the power supply.

Benefits

• Open-mesh front panel
• Improved airflow
• Better cooling performance
• Helps maintain efficient operation
• Functional ventilation design

Why Choose LIAN LI SX1000P?

• 1000W maximum output
• 80 PLUS Platinum certification
• PPLP Platinum certification
• ATX 3.1 ready
• 12V-2×6 high-current connector
• Supports power excursions up to 200%
• 999.6W combined +12V output
• Fully modular cabling
• 120mm FDB cooling fan
• Up to 2000 RPM fan speed
• Fanless operation up to 40% load
• 100% Japanese 105°C capacitors
• Comprehensive electrical protection
• Compact 140mm depth
• 10-year warranty

Frequently Asked Questions

What is the wattage of the LIAN LI SX1000P?

The SX1000P provides 1000W maximum DC output.

What efficiency certification does it have?

It carries an 80 PLUS Platinum efficiency certification and LIAN LI also lists PPLP Platinum certification for the SX Platinum series.

Is the SX1000P ATX 3.1 compatible?

Yes. The SX1000P is specified as ATX 3.1 and includes a reinforced 12V-2×6 high-current connection.

Is the PSU fully modular?

Yes. The SX1000P uses fully modular DC output cables.

What fan does the SX1000P use?

It uses a 120mm FDB fan with a maximum speed of 2000 RPM.

Does the fan always run?

No. LIAN LI specifies fanless operation up to 40% load with smart stop/start functionality.

What protections are included?

The SX1000P provides OCP, OVP, OTP, OPP, SCP, UVP, NLP, and SIP protection.

What are the dimensions?

The SX1000P measures 150 × 86 × 140mm.

How long is the warranty?

LIAN LI provides a 10-year warranty for the SX Platinum series.

Upgrade Your Setup Today

The LIAN LI SX1000P combines 1000W power output, 80 PLUS Platinum efficiency, ATX 3.1 compatibility, fully modular cabling, advanced 12V-2×6 connectivity, and comprehensive protection in a compact 140mm-depth design. Its 120mm FDB fan, fanless operation capability, Japanese 105°C capacitors, and 10-year warranty make it a strong foundation for demanding modern PC systems. For builders looking for a high-capacity power supply with modern GPU support and efficient thermal management, the SX1000P provides a well-rounded platform for powerful desktop configurations.