Lian Li B4-mATX Mesh Mini Tower Black

Compact yet uncompromising, the Lian Li B4-mATX Mesh Mini Tower Black prioritizes airflow without sacrificing the clean aesthetics that define modern builds. While many micro-ATX cases restrict front intake, this chassis employs a full mesh front panel, delivering unrestricted air to high-performance components. The result is a case that keeps temperatures in check even under sustained load, making it a natural fit for gamers and professionals who demand both thermal headroom and a tidy desk footprint.

Highlights

• Optimized mesh front panel for superior airflow and dust filtration
• Supports micro-ATX and Mini-ITX motherboards for versatile builds
• Tool-free drive installation for easy assembly and upgrades
• Multiple fan mounting options including support for 240mm radiators
• Sleek all-black finish with minimalist aesthetics

In daily use

The B4-mATX Mesh Mini Tower is built for practicality. Its compact footprint fits easily on or under your desk, while the interior layout is thoughtfully designed to accommodate full-size graphics cards and tower CPU coolers. Cable management is made simple with strategically placed routing holes and tie-down points, resulting in a tidy build that enhances airflow. The front I/O panel provides convenient access to USB ports and audio jacks, and the dust filters on the intakes are easily removable for cleaning. Whether you're assembling a powerful workstation or a gaming rig, this case delivers a hassle-free building experience.

Full specifications

• Form Factor: Micro Tower mATX
• Supported Motherboard Form Factors: Micro-ATX, Mini-ITX
• Colour: Black
• Side Panel: Solid
• Material: Steel
• Lighting: No
• Warranty: 2 years
• Country of Origin: Taiwan

Final note

For builders who refuse to trade cooling performance for a smaller footprint, the B4-mATX Mesh Mini Tower delivers a focused, no-nonsense foundation for your next system.