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Lian Li UNI Fan SL-Infinity 120mm Review: Specs, Pros and Cons

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This lian li uni fan sl inf 120 review covers the Lian Li UNI Fan SL-Infinity 120mm White 3-Pack. It is a set of three 120mm case fans designed for quiet airflow and visual appeal. The fans use fluid dynamic bearings for smooth operation and long life. They feature ARGB lighting that creates an infinity mirror effect. The package includes a controller to manage the lights. This setup is ideal for builders who want clean aesthetics without complex wiring. The white frame matches many modern cases. You get consistent performance from all three units in the pack.

What stands out

  • 120mm fan size for standard case mounts
  • Fluid dynamic bearing for durability
  • ARGB infinity mirror lighting effect
  • Includes controller for RGB management

Who it fits

Good fit for

You should buy this if you want a clean, white aesthetic for your build. The 120mm size fits most standard PC cases. The fluid dynamic bearing ensures quiet operation over time. If you like the infinity mirror look, the ARGB lighting delivers that visual. The included controller simplifies setup. This pack is good for beginners who do not want to buy separate fans and controllers. It suits cases that support 120mm fans well.

Who should skip it

Skip this if you need PWM fan speed control. The data does not mention PWM headers or speed adjustment. You only get ARGB lighting control. If you want silent operation without any lights, the ARGB feature may be unnecessary. The white color might clash with black builds. You also need a motherboard with a 5V ARGB header. If your case only supports 140mm fans, this 120mm pack will not fit. Look for a different size or non-RGB option.

Verdict: This 3-pack offers reliable 120mm airflow with stylish ARGB lighting. It is a solid choice for white-themed builds that need a controller.

Key specs explained for this fan

Fan Size: 120mm

This measurement refers to the width and height of the fan frame. A 120mm fan is the standard size for most PC cases. You will find slots for these fans on the front, top, and rear of many chassis. This size offers a balance between airflow volume and noise levels. It is the most common choice for general cooling. Check your case manual to confirm how many 120mm mounts are available before buying.

Bearing Type: Fluid Dynamic Bearing

This type of bearing uses a thin layer of lubricant to reduce friction between moving parts. It generally provides smoother operation and longer lifespan compared to sleeve bearings. You can expect quieter performance over time as the bearing self-lubricates. This makes it suitable for continuous use in gaming or workstations. When comparing fans, look for this spec if you prioritize longevity and steady airflow without excessive noise.

Lighting Type: ARGB

ARGB stands for Addressable RGB lighting. This allows each LED to be controlled individually. You can create complex color patterns and animations rather than uniform color changes. This requires a motherboard header with a 5V ARGB connection or a compatible controller. It is ideal for users who want detailed visual customization. Check your motherboard specifications to ensure you have the correct header for this lighting type.

Width: 0.98 inches

This dimension describes the thickness of the fan frame. A width under one inch is considered thin. Thin fans take up less space inside your case. This is helpful when you need to install fans in tight areas or behind radiators. It allows for better cable management and airflow clearance. Compare this to thicker fans which may offer higher static pressure but require more internal depth.

Design and build overview

The Lian Li UNI Fan SL-Infinity 120mm White 3-Pack presents a specific physical footprint according to the listing. The frame measures 4.72 inches in length and 4.81 inches in height. The width is listed at 0.98 inches. These dimensions confirm it is a standard 120mm unit. You can expect it to fit into standard mounting slots found in most mid-tower and full-tower cases. The compact width allows for dense packing if you are building a high-airflow rig.

The listing specifies a fluid dynamic bearing type. This choice suggests a focus on longevity and reduced friction during operation. Fluid dynamic bearings are common in modern case fans because they tend to run quieter than older sleeve bearing designs. This supports the fan’s role in maintaining steady airflow without excessive noise. The model number 12SL-IN-3W.00 identifies this specific white variant.

Finish and lighting are central to the design. The fans feature ARGB lighting. This allows you to sync colors with compatible motherboards. The white colorway is intended to match clean, light-themed builds. The infinity mirror effect is part of the visual design. You should check your case’s interior layout to ensure the lighting remains visible. The packaging includes a controller, which simplifies connection for users without direct motherboard headers.

Setup and everyday use guide

Setting up the Lian Li UNI Fan SL-Infinity 120mm White 3-Pack requires attention to its lighting specifications. The listing identifies the lighting type as ARGB. This means you will need a motherboard or controller that supports 5-volt addressable RGB headers. The product title mentions a 3-Pack Controller. You should connect the fans to this included controller first. This simplifies the initial wiring process. You do not need to route individual cables to your motherboard for each fan. This reduces cable clutter inside your case.

The fans use fluid dynamic bearings. This bearing type is designed for smooth operation over time. It implies lower friction compared to sleeve bearings. You can expect consistent performance without significant noise increases as the unit ages. The 120mm size fits standard mounting holes in most PC cases. You can install them on the front, top, or rear panels.

Everyday use involves managing the ARGB effects. You will control the visual patterns through your system software or the included controller. The white frame color provides a clean look. It pairs well with other white components. The slim 0.98-inch width allows for flexible placement. It does not obstruct nearby components. You get three fans for comprehensive airflow coverage. The setup is straightforward if you follow the controller instructions. The daily experience focuses on maintaining your chosen lighting scheme and airflow direction.

Before you buy this fan

You should verify your motherboard has a 5-volt ARGB header before purchasing. The listing specifies ARGB lighting, which requires specific connectivity. If your board lacks this, you will need a compatible controller. Check your case for 120mm mounting slots. This fan fits standard 120mm bays. The fluid dynamic bearing suggests smooth operation, but you must ensure proper airflow direction. Dust accumulation can affect performance over time. Clean the blades periodically with compressed air. This pack includes three fans. Consider your case layout. You may need additional fans for front or top intake. The white finish matches many modern builds. Ensure your case supports the 0.98-inch width. This product suits users who prioritize visual consistency. It fits well alongside other standard case fans. Review your cable management space. ARGB cables can clutter interiors. Plan your routing carefully. This review helps you decide if the specs meet your needs. Compare these dimensions with other options on the page. Make sure the bearing type aligns with your noise expectations. The listing provides clear data for this assessment.

Check before you buy

  • Confirm your motherboard has a 5V ARGB header.
  • Check your case supports 120mm fan mounts.
  • Verify space for ARGB cable routing.
  • Ensure your case accepts the 0.98-inch width.

The product at a glance

Lian Li UNI Fan SL-Infinity 120mm White 3-Pack

Best for: White themed builds needing matched triple fans

Fan Size
120mm
Bearing Type
Fluid Dynamic Bearing
Lighting Type
ARGB
Dimensions
4.72 × 0.98 × 4.81 inches

View on Amazon: Lian Li UNI Fan SL-Infinity 120mm White 3-Pack Affiliate link

This is a set of three 120mm Lian Li case fans featuring ARGB infinity mirror lighting. They use fluid dynamic bearings for smooth operation. The fans measure 4.72 by 4.81 inches with a slim 0.98-inch profile. This kit suits builders who want consistent white aesthetics and reliable airflow without complex software management.

Pros

  • Includes three 120mm fans in a single pack
  • Fluid dynamic bearing type for durability
  • ARGB infinity mirror lighting design
  • Slim 0.98-inch thickness fits tight spaces

Cons

  • Limited to ARGB control without separate controller
  • No included PWM hub for centralized management
  • White color option restricts color matching

Good fit if

  • You want a matched set of three fans
  • You prefer white interior aesthetics
  • You need slim profile fans for tight cases

Skip if

  • You require full RGB color changing
  • You need a large multi-fan bundle
  • You prefer black or dark components

Verdict: Lian Li UNI Fan SL-INF 120mm 3-Pack offers a clean white look with reliable fluid dynamic bearings. It fits builders who prioritize aesthetic consistency and a compact profile over advanced lighting control.

Specifications side by side

Spec Lian Li UNI Fan SL-Infinity 120mm White 3-Pack
Fan Size 120mm
Bearing Type Fluid Dynamic Bearing
Lighting Type ARGB
Lighting ARGB
Dimensions 4.72 × 0.98 × 4.81 inches
Model 12SL-IN-3W.00

Frequently asked questions

Is the Lian Li UNI Fan SL-Infinity 120mm compatible with standard PC cases?

Yes, the fan measures 120mm in width and height, which is the standard size for most modern PC cases. You can typically mount these fans in the front, top, or rear positions. The listing confirms this standard dimension, ensuring it fits standard mounting slots without requiring adapters or modifications to your chassis.

What type of lighting does this fan use?

This fan uses ARGB, or Addressable RGB, lighting. This allows for individual control of LEDs within the strip, enabling complex color effects and animations. You will need a motherboard with a 5-volt ARGB header or a compatible controller to manage the lighting effects properly. It does not use standard 12-volt RGB.

How thick is the Lian Li UNI Fan SL-Infinity 120mm frame?

The frame width is listed at 0.98 inches. This compact profile allows the fan to fit into cases with limited depth or tight clearances. The height is 4.81 inches and the length is 4.72 inches, maintaining the standard 120mm footprint while keeping the overall depth minimal for better airflow integration.

What bearing type is used in these fans?

The fans utilize fluid dynamic bearings. This bearing type provides smooth operation and is generally known for durability and quiet performance. It helps reduce friction during rotation, which can contribute to lower noise levels over time. This makes them suitable for builds where acoustic performance is a priority alongside visual aesthetics.

Does this product come as a single fan or a pack?

The product is sold as a 3-Pack. This means you receive three identical 120mm fans in the white colorway. This is ideal for builders who want to match all their case fans for a consistent look. It simplifies the process of filling multiple fan slots with uniform hardware without needing to mix and match different models.

What is the model number for the white version?

The model number is 12SL-IN-3W.00. This specific identifier helps you verify you are purchasing the correct white variant of the UNI Fan series. The '3W' in the model name likely indicates the three-pack configuration and the white color. Using this model number ensures compatibility with any mounting accessories or lighting controllers you may already own.

Can I use these fans for exhaust or intake?

Yes, you can use these fans for either intake or exhaust. The 120mm size and standard mounting dimensions allow for flexible placement in your case. You can install them on the front or bottom for cool air intake, or on the top or rear for hot air exhaust. The fluid dynamic bearings support operation in any orientation.

See also