The be quiet! Dark Base Pro 901 is a high-quality big tower with elegant RGB lighting and a large and stylish viewing window. The modular design makes it possible to completely invert the case and support various motherboard formats from Mini-ITX to XL-ATX. It also offers space for numerous fans, radiators (up to 420 mm), SSDs and HDDs. A practical extra is the inductive charging cradle for smartphones. The be quiet! Dark Base Pro 901 therefore receives the Gold Award.