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Introducing a new look to PC fans and a new level of installation simplicity and light effect customizability.
Infinity Mirror |
Daisy-Chain Design |
Silence at High Fan Speed |
L-Connect 3 Software |
Start/ Stop Fan |
Cableless with Controller |
![]() SLIN 120mm / SLIN 140mmBlack![]() ![]() |
![]() SLIN 120mm / SLIN 140mmWhite![]() ![]() |
A combination of the original UNI FAN SL and AL with a touch of infinity mirror, the SL-Infinity fans glow clear with multi-layer effects from any visible angle.
The circular-shaped infinity mirror at the center of the fan is tuned to have multiple layers spaced 0.5mm apart.
Following the iconic angular lighting style of SL fans, the SL-Infinity fans have 2 thin LED strips on both sides of the fan blade.
Surrounding aluminum trims are located on both sides of the frame. The geometric shape of the infinity mirror follows the front ARGB lighting strip in a top and bottom pattern that creates a 3D indented look.

Inspired by AL fans, there is a bright ARGB rim of light around the LIAN LI logo at the rear.
The 2nd generation of UNI FAN SL revisits the interlocking style that can connect up to 4 fans in a cluster and makes cable management simpler and improves compatibility with radiators fittings.

DAISY CHAIN FANA pin-to-pad contact point passes the signal and power through the fan cluster. |
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REMOVABLE KEYLOCKThe interlocking key on each fan is now removable to improve compatibility with radiators fittings. |
The cable module is now placed at the center of the fan and can switch orientation to reduce clearance issues with the radiator inlet and outlet.

The SL-Infinity 120 features a 10% performance optimization compared to the SL120 which results in better airflow (61.3 CFM), higher static pressure (2.66 mmH2O), and a larger range of fan speed (0, 200 ~ 2100RPM) at lower noise levels (29 dB(A)).

Control and preview with precision the lighting effect of the SL-Infinity fans with the new L-Connect interface.

| 1. Select lighting effect of blades / fan frame / both LED | 2. Set personalized color / brightness / speed / direction |
Similar to the AL fans, L-Connect 3 can set the lighting effects of the SL-Infinity fans for both the fan blades and the fan frame inner edges separately, or go with pre-set combined lighting effects.
![]() Fan Blade & Center Infinity Mirror LED |
![]() Angle Fan Frame & Side Infinity Mirror LED |
![]() Fan Blade & Center Infinity Mirror + Angle Fan Frame & Side Infinity Mirror LED |
![]() Electric Current |
![]() Mixing |
![]() Tide |
Unique to the SL-Infinity fans, L-Connect 3 features a Start/ Stop mode to completely stop the fan when the CPU or GPU is running below your set temperature (the maximum 50°C), achieving minimal acoustic levels when the system is at low temperature.
L-Connect 3 now offers an option to sync fan speed to the motherboard, also known as the PWM mode in the earlier L-Connect version.
? Click to pass fan speed control to motherboard
The quick sync function saves time to synchronize all LIAN LI device lighting effects with one click. Moreover, synchronize all devices to the motherboard software with one click.
Click to pass lighting control to motherboard

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The all-new cable module and controller simplify cable management and provide efficient power to the fans.
The included controller in the triple pack can support up to 16 fans (4 fans in each group) and 2 SM-type connecting devices.
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1
FAN GROUP ARGB +PWM SIGNAL Supports clusters of up to 4 fans.
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2 SYNC 4 port syncs to the lighting effect of port 4 |
3
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4 USB CABLE Plug to 9 pin USB header |
5 5V ARGB / 4 PIN PWM CABLE Connect for motherboard sync function. |
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A Y-type 7-pin splitter is included in the 3 pack for users that need to connect a 5th group of fans to the same controller.


| SPECIFICATIONS | |
| MODEL NAME | LIAN LI UNI FAN SL INFINITY 120 |
| MODEL NO. | UF-SLIN120-3B BLACK |
| COLOR | Black |
| NUMBER OF FANS | 3 |
| CONTROLLER | Yes |
| CONNECTOR TYPE | 4 × 7-PIN |
| FAN DIMENSION | 120 X 122.1 X 25 (mm) |
| RATED VOLTAGE | DC 12V (FAN) & 5V (LED) |
| FAN SPEED | 0,200~2100 RPM |
| MAX. AIR PRESSURE | 2.66 mmH2O (Maximum) |
| MAX. AIRFLOW | 61.3 CFM (Maximum) |
| ACOUSTIC NOISE | 29 dB(A) Max |
| LOCKED CURRENT | ?50mA |
| BEARING TYPE | Fluid Dynamic Bearing (FDB) |
| START-UP VOLTAGE | DC ?6V |
| INPUT CURRENT | 180mA (FAN) /600mA (LED) |
| INPUT POWER | 5.16W |
| WARRANTY | 2 years |