ASUS A21 Plus M-ATX ARGB PC Case – Black | 90DC00H0-B19000

Product Overview 

The ASUS A21 Plus M-ATX PC Case is designed for builders who want a compact chassis with clean aesthetics, excellent cooling, and modern compatibility. With support for hidden-connector motherboards, four pre-installed ARGB fans, and a high airflow mesh front panel, the A21 Plus is ideal for sleek gaming and performance-focused PC builds.

Hidden-Connector Ready for Clean Builds 

The A21 Plus is fully compatible with motherboards featuring hidden connectors, allowing cables to route discreetly behind the motherboard tray. This results in a cleaner interior, improved airflow, and a professional-looking build with minimal visible wiring.

Capable Cooling Performance 

Equipped with four 120mm ARGB fans out of the box, the A21 Plus delivers excellent cooling right away. The front mesh panel is engineered with 40% porosity, striking the perfect balance between airflow, dust filtration, and RGB visibility. The case supports up to 7 fans total and radiators up to 360mm, making it suitable for high-performance air or liquid-cooled systems.

Wide Hardware Compatibility 

Despite its compact micro-ATX form factor, the A21 Plus supports powerful components, including graphics cards up to 380mm in length and CPU air coolers up to 165mm in height. This ensures compatibility with modern high-end GPUs and cooling solutions.

Smart Cable Management 

A dedicated 33mm cable-management compartment behind the motherboard tray keeps cables neatly tucked away, improving airflow and making system maintenance easier while enhancing the overall visual appeal.

Modern Front-Panel Connectivity 

The front I/O panel includes dual USB 3.2 Gen 1 ports for high-speed data transfer, along with dedicated headphone and microphone jacks—providing easy access for everyday use and gaming peripherals.

Buy Now – Build Clean, Cool, and Compact 

Buy the ASUS A21 Plus M-ATX ARGB PC Case to create a compact yet powerful PC with clean cable management, strong cooling performance, and modern design.