3 Best Lian Li Case Fans Under $30, Compared
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Finding the best lian li case fans under $30 requires looking at published specs rather than marketing claims. We compared 3 models to help you choose. The top pick is the Lian Li UNI Fan SL-Infinity 140mm ARGB Fan, which leads due to its 140mm size for higher airflow. These selections are based strictly on the specifications listed on the product pages. This guide helps you decide which fan matches your build needs, whether you want wireless convenience or ARGB lighting.
Quick picks
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Lian Li UNI Fan SL-Infinity 140mm ARGB Fan Best overall | high airflow builds with ARGB support | Check price of Lian Li UNI Fan SL-Infinity 140mm ARGB Fan on Amazon |
| 2 | Lian Li UNI Fan SL Wireless 120mm Best budget | Wireless RGB fans with existing controllers | Check price of Lian Li UNI Fan SL Wireless 120mm on Amazon |
| 3 | Lian Li UNI Fan TL Wireless 120mm Reverse Blade Best premium | clean builds with existing controllers | Check price of Lian Li UNI Fan TL Wireless 120mm Reverse Blade on Amazon |
The best fit for you
- You want high airflow with ARGB support Lian Li UNI Fan SL-Infinity 140mm ARGB Fan The 140mm size and ARGB lighting make it ideal for performance-focused builds.
- You need wireless RGB flexibility with existing controllers Lian Li UNI Fan SL Wireless 120mm Its wireless design and 120mm size suit builders who already own compatible controllers.
- You want reverse blade airflow for clean builds Lian Li UNI Fan TL Wireless 120mm Reverse Blade The reverse blade design and wireless convenience support specific airflow patterns in tight spaces.
Our 3 picks
Lian Li UNI Fan SL-Infinity 140mm ARGB Fan
Best for: high airflow builds with ARGB support
- Fan Size
- 140mm
- Max Airflow
- 72.7 CFM
- Static Pressure
- 2.88mmH2O
- Noise Level
- 28dB
- Bearing Type
- Magnetic Fluid Dynamic Bearing
- Lighting Type
- ARGB
View on Amazon: Lian Li UNI Fan SL-Infinity 140mm ARGB Fan Affiliate link
This 140mm fan uses an infinity mirror design with 40 LEDs per unit for multi-angle lighting. It delivers 72.7 CFM airflow and 2.88mmH2O static pressure at 28dB. The daisy-chain cable manages up to four fans with one connection. A magnetic fluid dynamic bearing ensures durability. It suits builders seeking high airflow and customizable ARGB effects in a single pack.
Pros
- 140mm size delivers 72.7 CFM airflow
- Infinity mirror design with 40 LEDs per fan
- Daisy-chain cable connects up to 4 fans
- Magnetic fluid dynamic bearing for stability
- Smart temperature control stops fan at low temps
Cons
- Single pack does not include a controller
- ARGB requires motherboard software for effects
- Maximum noise level of 28dB at top speed
Good fit if
- You want high airflow from a 140mm fan
- You prefer daisy-chain cable management
- You have motherboard ARGB headers
Skip if
- You need wireless connectivity
- You require a included controller
- You only have 120mm radiator slots
Verdict: Lian Li UNI Fan SL-Infinity 140mm ARGB offers strong airflow and clean cabling for builds with motherboard ARGB support. It fits users who prioritize performance and lighting over wireless convenience.
Lian Li UNI Fan SL Wireless 120mm
Best for: Wireless RGB fans with existing controllers
- Fan Size
- 120mm
- Bearing Type
- Fluid Dynamic
- Lighting Type
- ARGB
- Dimensions
- 5 × 1 × 6 inches
View on Amazon: Lian Li UNI Fan SL Wireless 120mm Affiliate link
This single-pack fan uses 2.4 GHz wireless control for RGB and speed. It features a Fluid Dynamic Bearing and reaches 2000 RPM. The 40 LEDs support various effects. You need a separate controller to operate it. The slide-in daisy-chain system simplifies cable management. It suits users who want wireless RGB without a dedicated controller.
Pros
- 2.4 GHz wireless signal for fan and RGB control
- Fluid Dynamic Bearing for quiet operation
- Slide-in daisy-chain mechanism for easy setup
- Supports speeds up to 2000 RPM
Cons
- Single pack does not include a controller
- Controller must be purchased separately
- Requires L-Connect 3 software for full customization
Good fit if
- You want wireless RGB control
- You already own a Lian Li wireless controller
- You prefer a single fan unit
Skip if
- You need a controller included in the box
- You prefer wired PWM connections only
- You want a larger 140mm size
Verdict: Lian Li UNI Fan SL Wireless 120mm Black is a solid choice for builders who already have a compatible controller and want wireless RGB flexibility without extra cables.
Lian Li UNI Fan TL Wireless 120mm Reverse Blade
Best for: clean builds with existing controllers
- Fan Size
- 120mm
- Lighting Type
- RGB
- Blade Direction
- Reverse
- Dimensions
- 5.24 × 1.42 × 6.5 inches
- Weight
- 9.6 ounces
View on Amazon: Lian Li UNI Fan TL Wireless 120mm Reverse Blade Affiliate link
This Lian Li fan features a 120mm frame with reverse blade design for unique airflow. It uses 2.4 GHz wireless technology to manage speed and RGB lighting without cable clutter. You get customizable LED visuals controlled via L-Connect 3 software. Note that a separate controller is required for operation, as the single pack does not include one. It suits builders seeking clean cable management and distinct aesthetic options.
Pros
- 120mm size with reverse blade configuration
- 2.4 GHz wireless control technology
- Customizable RGB LED lighting
- L-Connect 3 software support
Cons
- Requires separate controller for operation
- Single pack does not include controller
- No PWM 1 to 3 cable included
Good fit if
- You want to reduce cable clutter in your case
- You prefer reverse blade airflow characteristics
- You already own a compatible Lian Li controller
Skip if
- You need a fan that works without a controller
- You prefer standard blade direction airflow
- You want a single pack with included controller
Verdict: Lian Li UNI Fan TL Wireless 120mm Reverse Blade offers wireless convenience and reverse blade airflow for users who already have a controller. It fits those prioritizing clean builds and specific airflow patterns.
Specifications side by side
| Spec | Lian Li UNI Fan SL-Infinity 140mm ARGB Fan | Lian Li UNI Fan SL Wireless 120mm | Lian Li UNI Fan TL Wireless 120mm Reverse Blade |
|---|---|---|---|
| Fan Size | 140mm | 120mm | 120mm |
| Max Airflow | 72.7 CFM | not stated | not stated |
| Static Pressure | 2.88mmH2O | not stated | not stated |
| Noise Level | 28dB | not stated | not stated |
| Bearing Type | Magnetic Fluid Dynamic Bearing | Fluid Dynamic | not stated |
| Lighting Type | ARGB | ARGB | RGB |
| Blade Direction | not stated | not stated | Reverse |
| Lighting | ARGB | ARGB | RGB |
| Dimensions | 5.52 × 0.99 × 5.59 inches | 5 × 1 × 6 inches | 5.24 × 1.42 × 6.5 inches |
| Weight | 8.47 ounces | not stated | 9.6 ounces |
| Size | 140mm | 1 x 120mm, Black | 1 x 120mm,Black |
| Color | Black | Black | Black |
| Model | UF-SLIN140-1B | 12SL1W1B | 12RTL1W1B |
Check specs before buying Lian Li fans
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Match motherboard ARGB headers
The Lian Li UNI Fan SL-Infinity 140mm ARGB Fan requires a motherboard with an ARGB header. This 5-pin connector delivers addressable lighting effects. If your board lacks this header, the fan cannot display its full lighting potential. You must verify your motherboard specifications before purchasing. This ensures you get the intended visual experience without needing additional adapters or controllers that may not sync correctly.
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Verify case 140mm mounting holes
The top pick uses 140mm fans, which require specific mounting holes in your case. Many cases support both 120mm and 140mm mounts, but some only accept the smaller size. Check your case manual or physical chassis to confirm 140mm compatibility. Using the wrong size prevents installation. This step ensures the fan fits securely and maintains proper airflow direction within your specific computer chassis.
-
Confirm controller compatibility for wireless
The Lian Li UNI Fan SL Wireless 120mm and TL Wireless models rely on existing controllers. These fans do not include their own power or control hubs. You must own a compatible Lian Li wireless controller to operate them. Verify your existing hardware supports these specific wireless protocols. This prevents purchasing fans that cannot function independently. It ensures seamless integration with your current setup without extra cabling.
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Choose size for airflow needs
Fan size directly impacts airflow volume and static pressure. The 140mm model generally moves more air than the 120mm variants. Larger fans can achieve similar airflow at lower speeds, reducing noise. Consider your cooling requirements when choosing between 120mm and 140mm options. The 120mm wireless fans offer flexibility for tighter spaces. Evaluate your case dimensions and cooling demands to select the optimal size for your build.
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Consider reverse blade for aesthetics
The Lian Li UNI Fan TL Wireless 120mm Reverse Blade features a unique blade design. This configuration hides the fan frame behind the blades, creating a cleaner look. It is ideal for side panels where aesthetics matter. The reverse blade also affects airflow direction. Ensure your case supports this specific orientation. This choice balances visual appeal with functional airflow, providing a distinct advantage for showcase builds.
Frequently asked questions
Which Lian Li fan offers the best overall performance?
The Lian Li UNI Fan SL-Infinity 140mm ARGB Fan is the top choice. It provides strong airflow and clean cabling for builds with motherboard ARGB support. This 140mm model fits users who prioritize performance and lighting over wireless convenience. Its design supports high airflow builds effectively.
Are there wireless options available in this lineup?
Yes, there are wireless models for those who already have compatible controllers. The Lian Li UNI Fan SL Wireless 120mm offers wireless RGB flexibility without extra cables. The Lian Li UNI Fan TL Wireless 120mm Reverse Blade also provides wireless convenience for clean builds and specific airflow patterns.
What is the difference between ARGB and LED lighting here?
The top pick uses ARGB lighting, which requires a motherboard ARGB header for addressable effects. The wireless options use standard LED lighting. You must check if your motherboard has the specific 5-pin connector for the ARGB model. If it lacks this, the wireless LED fans are a better fit.
Can I use these fans in a case that only has 120mm slots?
The wireless models are 120mm fans, so they fit standard 120mm mounting holes. The top pick is a 140mm fan, which requires a case with 140mm mounting support. You should verify your case dimensions before buying the 140mm model to ensure it physically fits your build constraints.
What is a reverse blade fan used for?
The Lian Li UNI Fan TL Wireless 120mm Reverse Blade offers reverse blade airflow. This design is useful for specific airflow patterns, such as creating a vortex or improving cooling for certain components. It is ideal for users who want clean builds and unique airflow dynamics with wireless convenience.
Do I need a separate controller for the wireless fans?
These wireless fans are designed for builders who already own compatible controllers. They do not include a controller in the package. You need an existing Lian Li wireless controller to manage the RGB effects and fan speeds. This setup reduces cable clutter if you already have the necessary hardware.
Which fan is best for budget-conscious builders?
The Lian Li UNI Fan SL Wireless 120mm is marked as the best budget option. It provides solid wireless RGB flexibility for a lower cost. It suits builders who want to save money while still enjoying wireless convenience and LED lighting, provided they already have a compatible controller for operation.