Lian Li

Lian Li UNI FAN SL-Infinity 140mm ARGB PWM Fan Black (Boxed)

SKU 27636 Brand Lian Li EAN13 4718466013156
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.
Cooling (CPU & Case) - Device Type Case Fan
Cooling (CPU & Case) - Fan Size 140 mm
Cooling (CPU & Case) - Lightning RGB
Cooling (CPU & Case) - Connector 7-Pin
Cooling (CPU & Case) - Color Black
Cooling (CPU & Case) - Special Features Daisy-Chain Low Noise Magnetic Bearing

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 TypeCase Fan
Fan Size140 mm
ColorBlack
Dimensions (W x H x D)140 x 142 x 25 mm
MaterialsPBT, PC, Aluminum
Bearing TypeFluid Dynamic Bearing (FDB)
Fan Speed Range200–1600 RPM
Maximum Airflow72.7 CFM (123.5 m³/h)
Maximum Air Pressure2.88 mmH2O
Acoustic Noise Level28 dB(A) maximum
Connector Type7-pin combined PWM ARGB
Addressable LEDs40
LED TypeDigitally addressable RGB
Fan VoltageDC 12V
LED VoltageDC 5V
Fan Input Current0.15 A
LED Input Current0.6 A
Fan Input Power1.8 W
LED Input Power3.6 W
Start-up VoltageDC 6V
Daisy-Chain SupportYes, up to 4 fans
Software ControlL-Connect 3
Warranty2 years
Blade DirectionForward Blade
Quantity per Unit1 fan
Controller IncludedNo