Lian Li A3 mATX PC Case vs Fractal Design Pop Air Black - Tempered Glass Clear Tint - Honeycomb Mesh Front
Updated August 2026 — The Lian Li A3 mATX PC Case excels in compact design and cooling efficiency, while the Fractal Design Pop Air Black offers versatility and aesthetic appeal. Choose based on your priorities.
The Lian Li A3 mATX PC Case excels in compact design and cooling efficiency, while the Fractal Design Pop Air Black offers versatility and aesthetic appeal. Choose based on your priorities.
Why Lian Li A3 mATX PC Case is better
Cooling Efficiency
High-airflow steel mesh front enhances cooling.
Compact Design
Smaller form factor supports powerful components.
PSU Flexibility
Supports multiple PSU types with adjustable mounting.
Why Fractal Design Pop Air Black - Tempered Glass Clear Tint - Honeycomb Mesh Front is better
Aesthetic Appeal
Tempered glass side panel showcases components.
Storage Options
Supports more HDDs and SSDs.
RGB Features
Includes RGB fans for enhanced visuals.
Overall score
Specifications
| Spec | Lian Li A3 mATX PC Case | Fractal Design Pop Air Black - Tempered Glass Clear Tint - Honeycomb Mesh Front |
|---|---|---|
| Brand | Lian Li | Fractal Design |
| Current Price | £69.95 | £74.99 |
| Motherboard Support | mATX | ATX/mATX/Mini ITX |
| Fan Support | N/A | 5 fans |
| HDD Support | N/A | 3 HDDs |
Dimension comparison
Design and Aesthetics
When it comes to design, the Lian Li A3 mATX PC Case features a stylish wood and mesh front design, combining aesthetics with functionality. This design not only enhances the case's visual appeal but also promotes high airflow, essential for effective cooling. In contrast, the Fractal Design Pop Air Black boasts a honeycomb mesh front along with a tempered glass side panel that allows users to showcase their components. The vivid colour accents on the motherboard plate and drive trays of the Pop Air add a vibrant touch to its overall look. Both cases present unique aesthetic qualities, appealing to different user preferences.
Internal Space and Compatibility
The Lian Li A3 mATX PC Case offers a compact internal volume of 26.3 litres, supporting high-end components with a GPU space of up to 430 mm and CPU tower heatsinks of 167 mm in height. This makes it an excellent choice for users seeking a powerful build in a smaller form factor. Conversely, the Fractal Design Pop Air Black accommodates ATX, mATX, and Mini ITX motherboards, providing flexibility in component choices. The Pop Air also supports up to three HDDs and six SSDs, making it suitable for users with extensive storage needs. While the Lian Li focuses on compact performance, the Fractal Design prioritises versatility.
Cooling Performance
Cooling performance is a critical aspect of any PC case, and both the Lian Li A3 and Fractal Design Pop Air offer distinct advantages. The Lian Li's high-airflow steel mesh front is designed to improve cooling efficiency, ensuring that high-performance components remain within safe temperature ranges. On the other hand, the Fractal Design Pop Air comes pre-installed with three 120 mm Aspect 12 RGB fans, which can be expanded to a total of five fans for enhanced airflow. This makes the Pop Air a strong competitor for users looking to optimise cooling while adding a splash of RGB aesthetics.
PSU Compatibility and Mounting Options
Power supply compatibility is another crucial factor when selecting a PC case. The Lian Li A3 mATX supports various PSU types, including ATX, SFX, SFX-L, and Lian Li Edge PSUs, accommodating units up to 220 mm in length. This flexibility allows users to choose the power supply that best meets their needs. In comparison, the Fractal Design Pop Air doesn't specify particular PSU types but offers ample internal space for efficient mounting. The Lian Li's multiple PSU mounting positions with adjustable elevation provide an edge in customisation, allowing users to optimise their builds further.
I/O and Cable Management
Effective I/O and cable management can significantly enhance the user experience. The Lian Li A3 features modern I/O options, including standard USB ports and audio connections, while also incorporating intelligently placed routing channels for cables. This thoughtful design helps maintain a clean interior, improving airflow and aesthetics. The Fractal Design Pop Air also features good I/O options but does not explicitly detail its cable management solutions. The Lian Li's focus on cable routing may benefit users who prioritise a tidy build and efficient airflow.
Pricing and Value
In terms of pricing, the Lian Li A3 mATX PC Case is currently available for £69.95, making it a competitive option for those seeking a high-quality micro form factor case. Meanwhile, the Fractal Design Pop Air Black is priced at £74.99, which reflects its additional features, including RGB fans and a tempered glass side panel. While the Lian Li offers great value for its compact design and high-end component support, the Fractal Design justifies its higher price with enhanced aesthetics and versatility.
User Experience and Reviews
User experience can play a significant role in deciding between the two cases. The Lian Li A3 is praised for its stylish design and efficient cooling capabilities, often appealing to users who want a compact yet powerful build. The Fractal Design Pop Air, with its tempered glass panel and RGB fans, is celebrated for its visual appeal and versatility, making it a favourite among gamers and those who enjoy showing off their setups. While both cases have received positive feedback, user preferences may vary based on individual needs, such as aesthetics versus performance.
Which should you buy?
Deciding between the Lian Li A3 mATX PC Case and the Fractal Design Pop Air Black largely depends on your specific needs and preferences. If you prioritise a stylish, compact case with high-end component support and effective cooling, the Lian Li A3 at £69.95 is an excellent choice. However, if you desire a case that accommodates a range of motherboard sizes and offers additional features like RGB lighting and a tempered glass side panel, the Fractal Design Pop Air Black at £74.99 may be worth the extra investment. Ultimately, both cases cater to different user priorities, making them compelling options in their own right.
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