LIAN LI UNI FAN SL-INF FLEX 120 BLACK / WHITE

High-Performance 120mm Cooling

The LIAN LI UNI FAN SL-INF FLEX 120 combines a 120mm fan format with strong airflow and static-pressure performance. The standard-blade version operates from 200 to 2300 RPM, producing up to 67 CFM airflow and 3.4 mmH2O static pressure, while maximum acoustic noise is rated at 29.2 dBA.

This makes the fan suitable for both general case ventilation and applications where stronger airflow is required.

Key Benefits

• Up to 2300 RPM
• Up to 67 CFM airflow
• Up to 3.4 mmH2O static pressure
• 29.2 dBA maximum noise
• PWM speed control
• Suitable for case airflow and cooling
• 120mm form factor

Fluid Dynamic Bearing for Reliable Operation

The UNI FAN SL-INF FLEX 120 uses a Fluid Dynamic Bearing (FDB). This bearing design supports smooth rotation and reliable long-term operation while maintaining the performance expected from a high-end PC cooling fan.

Key Benefits

• Fluid Dynamic Bearing
• Smooth fan operation
• Designed for long-term reliability
• Suitable for continuous PC use
• Supports balanced performance and acoustics

58-LED Three-Zone ARGB Lighting

The SL-INF FLEX 120 includes 58 integrated LEDs arranged across its RGB lighting system. LIAN LI uses a three-zone design incorporating the fan blades, side infinity mirror, and edge lighting.

This gives the fan a distinctive appearance from different viewing angles and makes it particularly suitable for showcase PC builds.

RGB Features

• 58 integrated LEDs
• Three-zone ARGB lighting
• Illuminated fan blades
• Side infinity-mirror lighting
• Edge lighting
• Customizable lighting effects
• Individual lighting control through supported software

Signature Infinity-Mirror Design

The SL-INF FLEX maintains LIAN LI’s recognizable infinity-mirror aesthetic. Its dual-sided frame and asymmetrical infinity-mirror styling create a layered lighting effect that remains visible from multiple angles.

Benefits

• Infinity-mirror visual effect
• Dual-sided frame design
• Asymmetrical lighting appearance
• Enhanced RGB presentation
• Designed for premium showcase builds

FLEX Receiver and Multiple Control Options

The UNI FAN SL-INF FLEX introduces LIAN LI’s FLEX Receiver, providing multiple ways to control the fan and lighting. Depending on the configuration, users can control the fan through L-Wireless, USB, or motherboard PWM/ARGB connections.

The standard one-pack SL-INF FLEX 120 includes an LED FLEX Receiver and a 5V 3-pin ARGB cable. The three-pack adds the L-Wireless Controller and a 1-to-3 PWM-to-SATA cable.

Control Benefits

• FLEX Receiver included
• L-Connect 3 support
• Motherboard ARGB synchronization
• PWM fan control
• Wireless control available with compatible controller
• USB control options
• Cleaner cable management

L-Connect 3 Software Support

The UNI FAN SL-INF FLEX 120 supports L-Connect 3, allowing users to manage compatible fan settings and RGB lighting from LIAN LI’s software environment. The product also supports motherboard ARGB synchronization and PWM fan control.

L-Connect 3 Features

• Fan-speed management
• RGB customization
• Lighting synchronization
• Multiple lighting effects
• Centralized LIAN LI device control
• Motherboard synchronization support

Standard and Reverse-Blade Configurations

LIAN LI offers the SL-INF FLEX 120 in both standard-blade and reverse-blade versions. The standard version reaches up to 2300 RPM, while the reverse-blade version reaches up to 2200 RPM.

Standard Blade

• Up to 2300 RPM
• 67 CFM airflow
• 3.4 mmH2O static pressure
• 29.2 dBA

Reverse Blade

• Up to 2200 RPM
• 65.7 CFM airflow
• 2.85 mmH2O static pressure
• 31 dBA

The reverse-blade configuration is particularly useful when you want the visible side of the fan to face inward while maintaining the desired airflow direction, helping create cleaner-looking showcase builds.

Black and White Color Options

The UNI FAN SL-INF FLEX 120 is available in Black and White, making it easy to coordinate the fans with different case, motherboard, GPU, and RGB themes.

Color Options

• Black
• White
• Standard blade
• Reverse blade

This makes the series suitable for both dark gaming systems and clean white-themed builds.

1-Pack and 3-Pack Options

LIAN LI offers the SL-INF FLEX 120 in single-fan and three-fan packages. The included accessories differ depending on the package.

1-Pack

The standard 1-pack includes:

• 1 × SL-INF FLEX 120 fan
• 1 × LED FLEX Receiver
• 1 × 5V 3-pin ARGB cable
• No L-Wireless Controller

3-Pack

The 3-pack includes:

• 3 × SL-INF FLEX 120 fans
• 1 × L-Wireless Controller
• 1 × LED FLEX Receiver
• 1 × 5V 3-pin ARGB cable
• 1 × 1-to-3 PWM-to-SATA cable

This makes the three-pack a convenient choice for users installing several fans at once.

Why Choose the LIAN LI UNI FAN SL-INF FLEX 120?

• High-speed 120mm cooling
• Up to 2300 RPM
• 67 CFM airflow
• 3.4 mmH2O static pressure
• Fluid Dynamic Bearing
• 58 ARGB LEDs
• Three-zone RGB lighting
• Infinity-mirror design
• L-Connect 3 support
• PWM fan control
• Motherboard ARGB synchronization
• FLEX Receiver support
• Wireless control ecosystem
• Black and White options
• Standard and reverse-blade versions
• 1-pack and 3-pack options
• 3-year warranty

Frequently Asked Questions

What size is the LIAN LI UNI FAN SL-INF FLEX?

It is a 120mm fan with overall dimensions of 120 × 124 × 28mm.

How fast does the standard SL-INF FLEX 120 spin?

The standard-blade model operates from 200 to 2300 RPM.

How much airflow does it provide?

The standard version provides up to 67 CFM airflow.

What is the static pressure?

The standard-blade version provides up to 3.4 mmH2O static pressure.

How many LEDs are included?

The standard SL-INF FLEX 120 has 58 LEDs.

Does it support RGB lighting?

Yes. It features three-zone addressable RGB lighting covering the fan blades, side infinity mirror, and edge lighting.

Does it support L-Connect 3?

Yes. The SL-INF FLEX supports L-Connect 3, motherboard ARGB synchronization, and PWM fan control.

Is the L-Wireless Controller included?

The 1-pack does not include the L-Wireless Controller. The 3-pack includes one L-Wireless Controller.

Is a FLEX Receiver included?

Yes. The standard 1-pack includes an LED FLEX Receiver, while the three-pack also includes an LED FLEX Receiver.

Is a reverse-blade version available?

Yes. LIAN LI offers a reverse-blade version with up to 2200 RPM, 65.7 CFM airflow, and 2.85 mmH2O static pressure.

Is it available in white?

Yes. The SL-INF FLEX 120 is available in both Black and White.

What type of bearing does it use?

It uses a Fluid Dynamic Bearing (FDB).

What is the warranty?

LIAN LI provides a 3-year warranty for the UNI FAN SL-INF FLEX 120.

Upgrade Your Cooling Setup Today

The LIAN LI UNI FAN SL-INF FLEX 120 combines strong cooling performance with LIAN LI’s signature infinity-mirror RGB design and flexible control options. With up to 2300 RPM, 67 CFM airflow, 3.4 mmH2O static pressure, 58 ARGB LEDs, FDB bearing, L-Connect 3 support, and FLEX Receiver compatibility, it is designed for users who want both effective airflow and a premium-looking PC interior. Available in Black and White, with standard and reverse-blade configurations, the SL-INF FLEX 120 can be integrated into a wide range of gaming and enthusiast PC builds.