LIAN LI RB Series 750W 80 Plus Bronze ATX 3.1 Power Supply

The LIAN LI RB Series 750W is a modern ATX power supply engineered to provide dependable performance, next-generation hardware compatibility, and efficient power delivery for gaming PCs, creator workstations, and everyday computing systems. Designed around the latest ATX 3.1 specification, this power supply delivers reliable power for modern processors and graphics cards while maintaining excellent efficiency and stability.

Featuring 80 Plus Bronze certification, a native 12V-2×6 connector, PCIe 5.1 compatibility, and a high-performance 135mm smart cooling fan, the RB Series 750W is built to support both current and future PC hardware. It offers an ideal balance between affordability, performance, and reliability, making it a strong choice for gamers, content creators, and PC enthusiasts.

Reliable 750W Continuous Power

The LIAN LI RB Series provides a full 750 watts of continuous power output, making it suitable for a wide range of PC configurations.

Ideal for:

• Gaming PCs
• Streaming Systems
• Content Creation Workstations
• Productivity Computers
• RTX 4070 / RTX 5070 Class Builds
• AMD Radeon Gaming Systems
• Multi-Storage Configurations

The strong single +12V rail ensures stable power delivery to critical components such as the processor and graphics card, helping maintain system stability under demanding workloads.

80 Plus Bronze Certified Efficiency

The RB Series 750W is certified under the 80 Plus Bronze efficiency standard, delivering up to 85% efficiency under typical operating conditions.

Benefits include:

• Lower Power Consumption
• Reduced Heat Generation
• Improved System Efficiency
• Lower Electricity Costs
• Better Thermal Performance

Higher efficiency means less wasted energy and improved overall system reliability.

ATX 3.1 Ready for Modern Hardware

Built according to the latest ATX 3.1 standard, the RB Series is designed to handle modern power excursion requirements and next-generation hardware demands.

Advantages include:

• Better GPU Power Handling
• Improved Power Stability
• Enhanced System Reliability
• Future Hardware Compatibility
• Compliance with Current Industry Standards

This ensures the PSU remains relevant and capable for future upgrades.

PCIe 5.1 & Native 12V-2×6 Support

One of the standout features of the RB Series 750W is support for modern graphics cards through its native 12V-2×6 connector.

Benefits include:

• Cleaner GPU Installation
• Improved Power Delivery
• Reduced Need for Adapters
• Enhanced Cable Management
• Compatibility with Next-Generation GPUs

The included native connector helps simplify modern gaming PC builds while ensuring reliable power delivery to high-performance graphics cards.

Smart Cable Routing System

Unlike many budget power supplies, the LIAN LI RB Series includes a built-in cable routing channel and integrated Velcro straps.

Features include:

• Deep Routing Channel
• Three-Sided Cable Exits
• Velcro Cable Straps
• Organized Cable Management
• Cleaner Internal Appearance

This innovative design helps builders maintain a neat and professional-looking system while improving airflow throughout the chassis.

Quiet 135mm HYB Smart Cooling Fan

Thermal performance is managed by a large 135mm HYB smart fan designed to deliver effective cooling while minimizing noise.

Advantages include:

• Efficient Heat Dissipation
• Intelligent Temperature Control
• Lower Noise Levels
• Improved Component Lifespan
• Stable Internal Temperatures

The fan automatically adjusts speed based on system load and temperature, ensuring optimal cooling performance at all times.

Active Power Factor Correction

The RB Series 750W incorporates Active PFC technology to improve energy efficiency and reduce wasted power.

Benefits include:

• Improved Electrical Efficiency
• Better Voltage Stability
• Reduced Power Loss
• Enhanced Reliability
• Cleaner Power Delivery

Active PFC contributes significantly to overall PSU performance and long-term reliability.

Comprehensive Protection Features

To protect both the power supply and connected hardware, the RB Series includes six industrial-grade safety protections.

Included Protections

• OVP – Over Voltage Protection
• UVP – Under Voltage Protection
• OCP – Over Current Protection
• OPP – Over Power Protection
• OTP – Over Temperature Protection
• SCP – Short Circuit Protection

These safety systems help ensure stable operation and safeguard valuable PC components from electrical abnormalities.

Compact ATX Design

With a depth of only 150mm, the RB Series fits comfortably into most ATX-compatible cases.

Benefits include:

• Easier Installation
• Better Case Compatibility
• Improved Airflow
• Cleaner Cable Routing
• Suitable for Compact Builds

Its compact footprint makes it ideal for modern gaming cases and space-conscious PC builds.

Why Choose LIAN LI RB Series 750W?

• 750W Continuous Power Output
• 80 Plus Bronze Certified
• ATX 3.1 Ready
• PCIe 5.1 Compatible
• Native 12V-2×6 Connector
• Strong Single +12V Rail
• 135mm HYB Smart Cooling Fan
• Active PFC Technology
• Integrated Cable Routing System
• Six Protection Mechanisms
• Compact 150mm Design
• 5-Year Warranty

Reliable Power for Modern Gaming Systems

The LIAN LI RB Series 750W 80 Plus Bronze delivers an excellent combination of performance, efficiency, and future-ready compatibility. With ATX 3.1 support, PCIe 5.1 readiness, native 12V-2×6 connectivity, and intelligent cooling, it provides a dependable foundation for gaming PCs, productivity systems, and workstation builds while maintaining the premium quality expected from LIAN LI.

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