ASUS A21 Micro-ATX Mini Tower PC Case, BTF Compatible, Mesh Front Panel, 360mm Radiator Support, 380mm GPU Support

Build a clean and well-cooled gaming or performance PC with the ASUS A21, a compact Micro-ATX case designed for modern hardware and efficient airflow. Its 40% porous front mesh balances ventilation, dust filtering, and RGB visibility, while generous internal clearance supports large graphics cards, 360mm radiators, and tall CPU air coolers.

• Supports Micro-ATX and Mini-ITX motherboards for compact and versatile PC builds.
• Supports compatible BTF motherboards for cleaner internal connectivity.
• The 40% porous front mesh provides a balance of airflow, dust filtering, and RGB visibility.
• Supports up to three 120mm fans or two 140mm fans at the front.
• Supports up to three 120mm fans or two 140mm fans on the top panel.
• Supports a 120mm fan at the rear for additional exhaust airflow.
• Supports 360mm, 280mm, 240mm, 140mm, and 120mm radiators at the front.
• Supports 360mm, 280mm, 240mm, 140mm, and 120mm radiators on the top.
• Supports a 120mm radiator at the rear.
• Accommodates graphics cards up to 380mm in length.
• Supports CPU air coolers up to 165mm in height.
• Provides 33mm of space behind the motherboard for organized cable management.
• Includes two 2.5″/3.5″ combo drive bays for flexible storage configurations.
• Includes one additional 2.5-inch drive bay for SSD storage.
• Provides five expansion slots for additional hardware.
• Features two USB 3.2 Gen 1 ports for convenient front-panel connectivity.
• Includes dedicated microphone and headphone ports for easy audio access.
• Supports power supplies up to 210mm in length.
• Measures 220 × 430 × 465mm for a compact yet spacious Micro-ATX build.