Overview
The Lian Li UNI Fan SL-INF Flex 120mm Reverse Blade represents an evolution in modular chassis cooling, combining aesthetic-focused reverse-pitch airflow with the company’s versatile FLEX control architecture. Engineered specifically for intake positions in panoramic and showcase computer enclosures, the reverse blade geometry pulls airflow into the chassis while orienting the signature center-hub infinity mirror and edge lighting strips directly toward the viewer, eliminating obstructive rear motor struts. The physical construction utilizes a reinforced thermoplastic frame paired with integrated silicone acoustic dampening pads at each mounting corner and optical-grade infinity mirror side accents. At the core of its interconnect architecture is Lian Li’s interlocking pin-to-pad daisy-chain mechanism, designed to route power delivery and digital telemetry across clustered fans through a single unified connection block.
From a thermal management and acoustic perspective, the fan utilizes a fluid dynamic bearing intended to maintain low rotational friction and quiet operation across its operating RPM envelope. However, as this newly released hardware iteration currently lacks extensive public teardowns, comprehensive laboratory acoustic harmonic resonance testing and internal motor sub-assembly evaluations remain pending retail physical teardown. Control and lighting synchronization are orchestrated via the updated FLEX receiver architecture, which expands integration choices by permitting operation through wireless L-Connect protocols, direct USB motherboard bridges, or standard 5V ARGB and 4-pin PWM headers. In day-to-day deployment, this modular architecture drastically reduces chassis cable clutter, though long-term contact pad integrity and companion software management remain relevant operational considerations for prospective builders.
Technical Specifications
| Brand | Lian Li |
| Model | UNI Fan SL-INF Flex 120mm Reverse Blade |
| Form Factor | 120 mm |
| Dimensions | 120 x 120 x 28 mm |
| Blade Configuration | Reverse blade (intake orientation) |
| Blade Material | Frosted translucent polymer |
| Frame Material | Reinforced thermoplastic with anti-vibration silicone corner pads |
| Bearing Type | Fluid Dynamic Bearing (FDB) |
| Interconnect Type | Modular pin-to-pad interlocking daisy-chain |
| Control System | Lian Li FLEX multi-mode receiver (L-Wireless / USB / Motherboard PWM & ARGB) |
| Lighting Architecture | Dual-zone infinity mirror ARGB (center hub and side frame strips) |
| Teardown Status | Pending retail physical teardown validation |
- Reverse-blade geometry delivers clean intake airflow without exposing rear structural frame struts
- Modular pin-to-pad interlocking daisy-chain drastically reduces chassis cable clutter
- FLEX receiver architecture offers flexible control across wireless, USB, and motherboard sync
- Signature dual-zone infinity mirror design delivers distinctive showcase aesthetics
- Comprehensive acoustic resonance and internal motor profiling remain pending retail physical teardown
- Reverse blade geometry incurs minor static pressure trade-offs relative to standard forward-pitch fans
- Full lighting effects and fan curve customization rely on companion software execution
Primary Sources & Audited Citations
- Lian Li UNI FAN SLINF LCD FLEX 120mm Fan - Black
- Lian Li UNI FAN SLINF LCD FLEX Reverse 120mm Fan - Black
- Lian Li UNI FAN SLINF FLEX Reverse 120mm Fan - Black
- Lian Li UNI FAN SLINF LCD FLEX Reverse 120mm Fan - White
- Lian Li - Wikipedia
- PS5 Teardown Explains Why It's So Big - To Stay Cool and Quiet - IGN
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At a Glance
How reliable is the Lian Li UNI Fan SL-INF Flex 120mm Reverse Blade according to Mizex audits?
An ideal reverse-intake solution for panoramic showcase builds demanding minimal cable clutter, though definitive acoustic harmonic validation remains pending final retail teardown.
What are the known quirks or drawbacks of the Lian Li UNI Fan SL-INF Flex 120mm Reverse Blade?
Our reliability audit identified the following documented caveats:
- Comprehensive acoustic resonance and internal motor profiling remain pending retail physical teardown
- Reverse blade geometry incurs minor static pressure trade-offs relative to standard forward-pitch fans
- Full lighting effects and fan curve customization rely on companion software execution
What are the key engineering highlights of the Lian Li UNI Fan SL-INF Flex 120mm Reverse Blade?
The top strengths recorded in our evaluation include:
- Reverse-blade geometry delivers clean intake airflow without exposing rear structural frame struts
- Modular pin-to-pad interlocking daisy-chain drastically reduces chassis cable clutter
- FLEX receiver architecture offers flexible control across wireless, USB, and motherboard sync
- Signature dual-zone infinity mirror design delivers distinctive showcase aesthetics