Compact Size with Maximal Capacity: 44-liter footprint supports up to 360mm graphics cards, up to 360mm radiators (60mm max thickness), up to 180mm ATX PSUs. Enhanced Rigidity for Graphics Cards: Added bracket supports GeForce RTX™ 50 Series graphics cards from 310mm to 360mm long, reducing sagging and movement. Power Cable for High-End Systems: UL-certified power cable delivers 15 amps to ensure stable operation. Optimized for Cooling: Support for up to 360mm radiators and up to seven fans handles any thermal scenario. Front Panel USB Type-C® Support: A 20Gbps USB Type-C port enables high-speed data transfer speeds. The Asus Prime AP303 is a compact 44-liter ATX case with support for graphics cards up to 360mm long, 360mm radiators up to 60mm thick, and ATX PSUs up to 180mm long. Asus Prime AP303 - Mesh Panel. Compact Frame. Massive Potential. The Asus Prime AP303 is a compact 44-liter ATX chassis that accommodates 360mm radiators up to 60mm thick and graphics cards up to 360mm long. It features a graphics card bracket and holder to keep cards firmly mounted, plus an internal power cable that delivers 15 amperes to maintain stable power delivery for high-end PC builds. Design.