Lian Li B4-mATX 21.3L Small Form Factor PC Case, Support 358mm GPU, 360 AIO, Pre-Installed 2 x 120mm Slim Fans, Black Mesh (B4X)

Compact Design: 21.3-liter small form factor case designed for m ATX motherboards and GPUs up to 358mm. Versatile Orientation: Can be positioned horizontally or vertically, adapting to your workspace style. Enhanced Airflow: Features full mesh panels for optimal ventilation and cooling performance. Supports up to a 360mm AIO with SFX PSU and accommodates ATX PSU (max 140mm) for flexible fan and radiator options.