Lian Li UNI FAN SL-INF 140 ARGB PWM Fan - 140mm, black
- Fan diameter: 140
- Fan connector: 4-pin
- Single 140mm PWM ARGB fan with mirror effect
- Second-generation fan technology with 10% performance boost
- Maximum airflow of 72.7 CFM (123.5 m³/h) and 2.88 mmH2O air pressure
- 40 ARGB LEDs on the frame and central hub
- New 7-pin adapter for power and lighting
- Improved daisy chain and cable management features
- Note: Only compatible with LULI-039 or LULI-040
Second-Gen Performance
Take your airflow to the next level with the Lian Li UNI FAN SL-INF 140 series of PWM fans. This 140mm fan utilizes second-generation cooling technology, offering a 10% performance improvement over the previous SL140 model. Each fan features 40 ARGB LEDs built into the frame and central hub, alongside a mirror effect. With zero compromise on thermal efficiency or lighting brightness, the SL-INF 140 makes an excellent addition to any gaming PC.
The Lian Li UNI FAN SL-INF 140 leverages second-generation cooling technology to deliver its performance boost. Its seven-blade fan design is optimized for faster speeds, higher airflow, greater static pressure, and quieter operation. At top speed, the SL-INF 140 produces only 28 dBA noise. With a maximum static pressure of 2.88 mmH2O and airflow of 72.7 CFM, this fan effectively cools your gaming system.
As a PWM fan, its operating speed can be adjusted to match your workload. Thanks to L-Connect 3 software, you can use Start/Stop mode. When the CPU or GPU is below 50 °C, the fans completely stop. When active, speeds can be set from 200 RPM to 1,600 RPM, giving you maximum control.
ARGB Lighting
Each Lian Li UNI FAN SL-INF 140 is equipped with 40 ARGB LEDs set in the frame and central hub. With a layered infinity mirror and 0.5mm breaks for added definition, the lighting creates an incredible 3D effect viewable from any angle. The geometric frame and aluminium trim enhance this bold look, distributing lighting along both edges and sides of the fan.
Improved Features
Previously, Lian Li ARGB PWM fans required separate cables for lighting and power. The Lian Li UNI FAN SL-INF 140 introduces a combined cable with a 7-pin connector for both power and lighting. This connects to the new UNI HUB, available with SL-INF 120 triple packs or separately (LULI-032). Single pack models include a split cable with both a 4-pin PWM and 3-pin ARGB header for direct motherboard connection.
The daisy-chaining feature has also been enhanced. The Lian Li UNI FAN SL-INF 140’s connector key, which secures into the frame of a second fan, is now easily removable—just twist 90 ° and pull it out. This improves compatibility with radiators and offers a cleaner look with no protruding parts. If needed, the key can be reinstalled just as easily.
Cable management is improved as well. The cable module is smaller and now centrally positioned on the frame edge for better organization and flexibility in your build.
UNI HUB and L-Connect 3
The UNI HUB controller has been optimized for seamless support, now featuring two 3-pin ARGB SM ports specifically for other Lian Li ARGB devices like the LEDs on the Galahad AiO pump, along with four ports for connecting up to sixteen UNI FANs in four groups of four.
Lighting and fan controls are managed through the updated L-Connect 3 software or via motherboard control. Each cluster can be individually assigned fan speeds or modes to suit your setup. There are over 30 lighting effects and more than 16.8 million colors available. Effects can be assigned to just the fan center, just the fan edge, or both. With such flexibility, the Lian Li UNI FAN SL-INF 140 can create truly stunning lighting displays.
Technical Details:
- Dimensions: 140 x 142 x 25 mm (W x H x D)
- Materials: PBT, Aluminum
- Color: Black
- Fan:
Bearing Type: Fluid Dynamic Bearing
Fan Speed: 200 - 1,600 RPM
Acoustic Noise: max 28 dB(A)
Airflow: max 72.7 CFM (123.5 m³/h)
Air Pressure: max 2.88 mmH2O
Operational Voltage: 12 V
Start Voltage: 6 V
Input Current: 0.15 A
Input Power: 1.8 W - Lighting:
Type: digitally addressable RGB
No. of LEDs: 40
Input Current: 0.6 A - Connection: 7-Pin combined PWM ARGB