Sustain serious component choices in a compact 33-liter footprint. ASUS Prime AP201 is designed for builders who want microATX efficiency without giving up thermal headroom or GPU clearance. It supports 360 mm AIO coolers and graphics cards up to 338 mm long, giving you room for performance parts that often outgrow smaller cases. Tool-free side panels make installation and maintenance faster, while the quasi-filter mesh helps keep airflow open without adding visual clutter. The minimalist black finish fits clean workstation builds, quiet productivity systems, and gaming PCs that need to look as disciplined as they perform. For integrators and experienced DIY builders, AP201 offers a more refined path than entry-level compact cases. The layout is built to accommodate demanding hardware in a smaller chassis, helping you preserve desk space while still planning for thermals, cable routing, and future upgrades. It is a practical choice when the build needs to feel deliberate, not cramped.