Description
The Lian Li UNI FAN SL-Infinity 140mm Black delivers exceptional cooling performance with stunning visual effects. Featuring an infinity mirror design, daisy-chain connection, and PWM fan control, it combines efficient airflow with sleek, modular aesthetics for high-end PC builds.
Product Specifications
- Brand: Lian Li
- Model: UNI FAN SL-Infinity 140
- Fan Size: 140mm x 140mm x 28mm
- Color: Black
- Bearing Type: Fluid Dynamic Bearing (FDB)
- Fan Speed: 0–1600 RPM (PWM controlled)
- Airflow: Up to 72.7 CFM
- Air Pressure: 2.88 mmH₂O
- Noise Level: 28 dBA (max)
- Connector: 4-pin PWM + 3-pin ARGB
- Lighting: Addressable RGB with infinity mirror effect on both sides and center
- Power Input: 12V (fan) / 5V (LED)
- Compatibility: UNI HUB and L-Connect 3 software
Key Features
Infinity Mirror Lighting: Features dual-sided infinity mirrors and center ARGB illumination for deep, layered lighting effects.
Modular Daisy-Chain Design: Connect multiple fans together with a single cable for a clean, efficient cable layout.
Powerful Cooling Performance: High static pressure and optimized blade design ensure strong airflow even through dense radiators.
Silent, Durable Operation: Fluid Dynamic Bearings provide quiet performance and long-term reliability.
Full Software Control: Customize fan speed, lighting patterns, and sync effects using L-Connect 3 for complete system integration.
How It Works
The Lian Li UNI FAN SL-Infinity 140mm uses an innovative interlocking design that allows multiple fans to snap together for streamlined installation. Each fan connects through a single power and lighting cable, reducing clutter inside the case. Its PWM control adjusts fan speed automatically based on system temperature, balancing cooling efficiency and noise levels. The infinity mirror ARGB lighting creates a striking visual effect from any angle, easily customizable via Lian Li’s L-Connect 3 software. This makes it ideal for enthusiasts who want top-tier cooling performance with a visually stunning finish.
FAQs
Do I need a UNI HUB to use the lighting effects?
Yes, the ARGB lighting and control features require the Lian Li UNI HUB and L-Connect 3 software.
How many fans can be daisy-chained together?
Up to four UNI FAN SL-Infinity fans can be connected per cluster with one cable.
Is this fan compatible with other UNI FAN models?
No, SL-Infinity fans are only compatible with their specific controller and cables.
Can the fan speed be controlled manually?
Yes, via PWM connection or through L-Connect 3 software control.







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