Lian Li B4-mATX Mesh Mini Tower Black

Build like never B4Co-developed with DAN Cases. the B4-mATX’s modular design unlocks versatile build possibilities. With multiple color. panel. and layout options. plus an optional accessory. it adapts to a wide range of styles.Compact Design. Broad CompatibilityWith a compact 21.3L volume. the B4-mATX delivers impressive hardware compatibility. supporting M-ATX motherboards. 360mm AIOs. 140mm ATX PSUs. and up to 358mm 4-slot GPUs.Minimal Design.Multiple StylesThe B4-mATX offers a clean mesh panel for an airflow-focused look or a real wood panel for a warmer. refined setup. Both support front-to-back airflow. balancing cooling performance with a streamlined exterior.Vertical Mode.Maximized Desk SpaceThe vertical layout improves desk space efficiency by up to 30%. Integrated rear feet allow quick and easy switching between different usage modes.Rotatable AC Power ConnectorDesigned for both horizontal and vertical configurations. the rotatable AC inlet adapts to your setup. Face it outward for convenient cable access. or rotate it inward in vertical mode to avoid clearance limitations.REVERSIBLE Rear Fan BracketThe rear fan bracket features a reversible design for greater layout flexibility. It can be installed outward to create more clearance for liquid cooling. or inward to position the fan closer to the CPU airflow path and improve CPU air-cooling performance by up to 1°C.Recommended Liquid Cooling ConfigurationThe B4-mATX supports 360mm and 280mm radiators with up to 52mm total thickness.Extra Intake. Better CoolingSupports a 120 × 120 × 15mm slim front fan with an SFX PSU and GPU under 343mm long. helping improve intake airflow.PRE-INSTALLED 15MM SLIM FANS.Flexible Airflow DesignTwo pre-installed 120 × 120 × 15mm slim fans on the top provide enhanced cooling performance. Operating up to 1800 RPM. they are daisy-chained to reduce cable clutter.Flexible GPU & Fan SupportSupports up to 358mm long 4-slot graphics cards. Bottom fan support varies by GPU thickness: 2.5