Lian Li UNI FAN SL140
Expert rating8 / 10
- Fan Size:
- 140mm
- Airflow:
- 68.9 CFM
- Static Pressure:
- 1.8 mmH2O
- Noise Level:
- 24.6 dBA
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Manufacturer: Lian Li Last updated: 2026-09-12
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Lian Li UNI FAN SL140 (140mm/68.9 CFM/1.8 mmH2O Static Pressure/1600 RPM Max/24.6 dBA/Fluid Dynamic Bearing/ARGB/PWM) Review
If the original UNI FAN SL120 is too small for a case's front mounts, Lian Li sells the same fan at 140mm as the SL140.
We'd recommend it for anyone already running SL120s elsewhere in the case who needs matching lighting and control on a 140mm mount, since it shares the same daisy-chain hub and RGB behavior.
Consistency Across Sizes
The SL140 uses the same fluid dynamic bearing and infinity-mirror-style ring lighting as the SL120, just scaled to a larger blade, so a mixed 120/140mm SL loadout stays visually and electrically consistent on one hub.
Comparison to Alternatives
Against the Lian Li UNI FAN SL120 already in this catalog, the SL140 is the natural pairing for cases with mixed fan mount sizes, running quieter at a lower RPM while moving more absolute air. Against the be quiet! Light Wings 140mm PWM high-speed in the catalog, the be quiet! fan pushes more static pressure at the cost of extra noise, so pick the SL140 for open intake and the Light Wings if there's a radiator behind it.
Specifications
Identity and packaging
| Brand | Lian Li |
|---|---|
| Model | UNI FAN SL140 |
| Fan Thickness | 25 mm |
Design
| Fan Size | 140 mm |
|---|---|
| Bearing Type | Fluid Dynamic |
| Lighting | ARGB |
Performance
| Static Pressure | 1.67 mmH2O |
|---|---|
| Max Speed | 1500 RPM |
| Noise Level | 30 dBA |
| PWM Control | Yes |
Performance at maximum speed
| Airflow | 70.5 CFM |
|---|
Performance at quiet speed
| Min Speed | 500 RPM |
|---|
Motor and bearing
| Bearing Marketing Name | Fluid Dynamic Bearing (FDB) |
|---|
Power and control
| Max Power Draw | 3.6 W |
|---|---|
| Start Voltage | 6 V |
Connection and daisy chain
| Connector Type | 4-Pin PWM |
|---|---|
| Lighting Connector | 3-Pin 5V ARGB |
| Daisy Chain Support | Yes |
| Max Fans Per Chain | 4 |
| Ecosystem | Lian Li UNI FAN |
Lighting
| RGB Lighting | Yes |
|---|---|
| Lighting Type | ARGB 5V |
Market
| Warranty | 2 years |
|---|---|
| Positioning | Premium |
| Connector | Lian Li daisy-chain |
|---|---|
| Colors | Black or White |
| Source URL | https://lian-li.com/product/uni-fan-sl/ |
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Expert rating8 / 10
A quiet, good-looking 140mm ARGB fan that pairs cleanly with the rest of the UNI FAN SL lineup.
Best for
- Mixed 120/140mm UNI FAN SL builds
- Quiet open-air intake and exhaust
- Showcase builds using the UNI FAN hub
Not for
- Radiator duty needing higher static pressure
- Builds without a case window
- Non-Lian Li hub ecosystems
FAQs
What are the key specifications of the Lian Li UNI FAN SL140 (140mm/68.9 CFM/1.8 mmH2O Static Pressure/1600 RPM Max/24.6 dBA/Fluid Dynamic Bearing/ARGB/PWM)?
The Lian Li UNI FAN SL140 (140mm/68.9 CFM/1.8 mmH2O Static Pressure/1600 RPM Max/24.6 dBA/Fluid Dynamic Bearing/ARGB/PWM) is a case fan from Lian Li. Key specs: Fan Size 140, Bearing Type Fluid Dynamic, Lighting ARGB, Airflow 68.9, Static Pressure 1.8.
Will the Lian Li UNI FAN SL140 (140mm/68.9 CFM/1.8 mmH2O Static Pressure/1600 RPM Max/24.6 dBA/Fluid Dynamic Bearing/ARGB/PWM) work with my current setup?
The Lian Li UNI FAN SL140 (140mm/68.9 CFM/1.8 mmH2O Static Pressure/1600 RPM Max/24.6 dBA/Fluid Dynamic Bearing/ARGB/PWM) lists Fan Size is 140. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.
Who is the Lian Li UNI FAN SL140 (140mm/68.9 CFM/1.8 mmH2O Static Pressure/1600 RPM Max/24.6 dBA/Fluid Dynamic Bearing/ARGB/PWM) best suited to?
It suits mixed 120/140mm uni fan sl builds, quiet open-air intake and exhaust, showcase builds using the uni fan hub.
What are the drawbacks of the Lian Li UNI FAN SL140 (140mm/68.9 CFM/1.8 mmH2O Static Pressure/1600 RPM Max/24.6 dBA/Fluid Dynamic Bearing/ARGB/PWM)?
It is a poor fit for radiator duty needing higher static pressure, builds without a case window, non-lian li hub ecosystems.
Compare and read more
- Cooler Master MobiusLink ARGB Fan (120mm/62.0 CFM/2.4 mmH2O Static Pressure/2000 RPM Max/30.0 dBA/Loop Dynamic Bearing/ARGB/PWM) vs Lian Li UNI FAN SL140 (140mm/68.9 CFM/1.8 mmH2O Static Pressure/1600 RPM Max/24.6 dBA/Fluid Dynamic Bearing/ARGB/PWM)
- Corsair iCUE Link RX120 (120mm/61.5 CFM/1.83 mmH2O Static Pressure/1700 RPM Max/26 dBA/Rifle Bearing/No RGB/PWM) vs Lian Li UNI FAN SL140 (140mm/68.9 CFM/1.8 mmH2O Static Pressure/1600 RPM Max/24.6 dBA/Fluid Dynamic Bearing/ARGB/PWM)
- Corsair QX120 RGB (120mm/65.8 CFM/3.29 mmH2O Static Pressure/2500 RPM Max/34 dBA/Magnetic Dome Bearing/RGB/iCUE LINK) vs Lian Li UNI FAN SL140 (140mm/68.9 CFM/1.8 mmH2O Static Pressure/1600 RPM Max/24.6 dBA/Fluid Dynamic Bearing/ARGB/PWM)
- EK-Loop Fan FPT 120 (120mm/74.55 CFM/3.36 mmH2O Static Pressure/2200 RPM Max/32 dBA/Fluid Dynamic Bearing/D-RGB/PWM) vs Lian Li UNI FAN SL140 (140mm/68.9 CFM/1.8 mmH2O Static Pressure/1600 RPM Max/24.6 dBA/Fluid Dynamic Bearing/ARGB/PWM)
- EK-Vardar EVO 120ER (120mm/91.0 CFM/5.31 mmH2O Static Pressure/3200 RPM Max/36.6 dBA/Fluid Dynamic Bearing/No RGB/PWM) vs Lian Li UNI FAN SL140 (140mm/68.9 CFM/1.8 mmH2O Static Pressure/1600 RPM Max/24.6 dBA/Fluid Dynamic Bearing/ARGB/PWM)