Lian Li UNI FAN SL-Infinity 140mm ARGB PWM Fan Black
140mm infinity mirror ARGB case fan with 4-pin PWM, 1600 RPM max, 72.7 CFM airflow, 28 dB(A) noise, daisy-chain support, 40 LEDs, black, single unit, no controller included.
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The Lian Li UNI FAN SL-Infinity 140mm is a premium case fan featuring a distinctive infinity mirror design with multi-layer optical effects visible from any angle. This fan combines the original UNI FAN SL aesthetic with advanced ARGB lighting, delivering both performance and visual appeal for gaming and high-performance PC builds.
Equipped with a fluid dynamic bearing for smooth operation, this 140mm fan delivers up to 1600 RPM with a maximum airflow of 72.7 CFM and air pressure of 2.88 mmH2O, while maintaining a low acoustic noise level of just 28 dB(A). The fan features 40 fully addressable RGB LEDs distributed across the infinity mirror center, side frame strips, and rear logo ring, all controllable via the L-Connect 3 software. The innovative daisy-chain design allows up to 4 fans to be connected with a single cable, simplifying cable management and improving case aesthetics.
Key specifications and features include:
- Dimensions: 140 x 142 x 25 mm (W x H x D)
- Materials: PBT, PC, and aluminum construction
- Bearing Type: Fluid Dynamic Bearing (FDB)
- Fan Speed: 200–1600 RPM
- Maximum Airflow: 72.7 CFM (123.5 m³/h)
- Maximum Air Pressure: 2.88 mmH2O
- Acoustic Noise: 28 dB(A) maximum
- Connector: 7-pin combined PWM ARGB
- Addressable LEDs: 40 total
- Voltage: DC 12V (fan) & 5V (LED)
- Input Power: 1.8W (fan) + 3.6W (LED)
- Warranty: 2 years
- Daisy-chain compatible with up to 4 fans
- L-Connect 3 software control for lighting and fan speed
| Device Type | Case Fan |
| Fan Size | 140 mm |
| Color | Black |
| Dimensions (W x H x D) | 140 x 142 x 25 mm |
| Materials | PBT, PC, Aluminum |
| Bearing Type | Fluid Dynamic Bearing (FDB) |
| Fan Speed Range | 200–1600 RPM |
| Maximum Airflow | 72.7 CFM (123.5 m³/h) |
| Maximum Air Pressure | 2.88 mmH2O |
| Acoustic Noise Level | 28 dB(A) maximum |
| Connector Type | 7-pin combined PWM ARGB |
| Addressable LEDs | 40 |
| LED Type | Digitally addressable RGB |
| Fan Voltage | DC 12V |
| LED Voltage | DC 5V |
| Fan Input Current | 0.15 A |
| LED Input Current | 0.6 A |
| Fan Input Power | 1.8 W |
| LED Input Power | 3.6 W |
| Start-up Voltage | DC 6V |
| Daisy-Chain Support | Yes, up to 4 fans |
| Software Control | L-Connect 3 |
| Warranty | 2 years |
| Blade Direction | Forward Blade |
| Quantity per Unit | 1 fan |
| Controller Included | No |