Lian Li UNI Fan SL-INF Flex 120mm Reverse Blade White 3-Pack
The Lian Li UNI Fan SL-INF Flex is a 3-pack of 120mm reverse blade ARGB PWM fans featuring stunning infinity mirror lighting, dual-zone ARGB effects, Fluid Dynamic Bearing (FDB) for quiet operation, and the innovative L-Wireless Controller for synchronized wireless control — perfect for building show-stopping PC aesthetics with seamless cable management.
✨ Infinity Mirror
📡 Wireless Control
🔇 FDB Bearing
💨 65.7 CFM





Technical Specifications
Is the Lian Li SL-INF Flex Right For You?
✓ Best For
- ✔ PC builders creating stunning RGB showcase builds with infinity mirror effects
- ✔ Users who value wireless control and minimal cable clutter
- ✔ Builds requiring reverse airflow for specialized case layouts
- ✔ Quiet PC enthusiasts who value FDB bearing technology
- ✔ Users wanting seamless integration with L-Connect 3 software
✗ Not Ideal For
- ✗ Users needing standard (non-reverse) airflow direction
- ✗ Builds where LCD display is required (SL-INF LCD Flex available)
- ✗ Users preferring traditional wired fan connections
- ✗ Systems without available USB Type-A or internal USB 2.0 headers
Key Features of the SL-INF Flex Reverse Blade
🌀 Reverse Blade Design
Engineered with reverse airflow technology, these fans are perfect for specialized cooling setups including reverse case configurations, radiator push-pull, and unique airflow paths.
🔇 Fluid Dynamic Bearing (FDB)
Equipped with FDB bearings for exceptional durability and quiet operation, delivering reliable performance with reduced friction and noise levels as low as 31 dBA.
📡 L-Wireless Controller
The included L-Wireless Controller supports up to 10 channels simultaneously, enabling wireless synchronization of multiple fan groups with minimal cable clutter.
✨ Infinity Mirror & 3-Zone ARGB
The SL-INF Flex features three independently controlled lighting zones with dual-sided frame lighting and central infinity mirror, creating a stunning visual experience.
⚙️ L-Connect 3 Software
Complete control over lighting effects, fan curves, and device naming with L-Connect 3. Customize profiles, create smooth lighting flows, and monitor system performance.
Compatibility Matrix
| Platform | Supported | Notes |
|---|---|---|
| Motherboard ARGB Sync | ✔ Full | 5V 3-pin ARGB header |
| PWM Fan Control | ✔ Full | 4-pin PWM header |
| L-Connect 3 Software | ✔ Full | Wireless mode with L-Wireless Controller |
| Case Mounting | ✔ Full | 120mm fan mounting points (standard) |
| Reverse Case Layouts | ✔ Full | Reverse airflow design for specialized builds |
What’s In The Box
Common Questions About the Lian Li SL-INF Flex
What is included in the Lian Li UNI Fan SL-INF Flex 3-pack?
Complete 3-pack. Includes three 120mm reverse blade fans, one L-Wireless Controller, one LED FLEX Receiver, one 5V 3-Pin ARGB Cable, and one 1 to 3 PWM to SATA Cable.
What is the fan speed and noise level of the SL-INF Flex reverse blade fans?
200-2200 RPM. The reverse blade fans operate at 200-2200 RPM with a maximum airflow of 65.7 CFM, static pressure of 2.85 mmH₂O, and noise level of 31 dBA, featuring Fluid Dynamic Bearing (FDB) for quiet and durable operation.
Can I control the SL-INF Flex fans without the L-Wireless Controller?
Yes. The fans support motherboard control via the included 5V 3-Pin ARGB and PWM cables. The L-Wireless Controller is required for wireless synchronization and L-Connect 3 software control.
What is the difference between SL-INF Flex and SL-INF LCD Flex?
LCD vs LED. SL-INF Flex features three-zone ARGB lighting with infinity mirror effects. SL-INF LCD Flex adds a 1.8-inch LCD display (400×400, 60Hz) on each fan for custom graphics, GIFs, and system monitoring.




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