be quiet! Dark Base Pro 901 Black Full-Tower Workstation Case – Premium Aluminum Build, Pre-Installed 3x Silent Wings 4 140mm High-Speed Fans, Integrated ARGB & Fan Controller

Uncompromising flexibility, silence, and performance come together in the definitive flagship full-tower layout: the be quiet! Dark Base Pro 901 Black. Masterfully built using premium SGCC steel, ABS plastic, and brushed aluminum, this colossal chassis delivers massive structural volume (82.69 Litres) tailored for ultimate workstation builds, fully supporting E-ATX and XL-ATX motherboards. It comes pre-installed with 3 flagship Silent Wings 4 140mm PWM high-speed fans operating at a blistering 1900 RPM to combine absolute high-pressure cooling with silence. Boasting extensive drive bay modularity for up to 16 SSDs, elite hardware clearances for up to 495mm graphics cards and 190mm CPU towers, next-gen front panel USB 3.2 Gen 2 Type-C connectivity, and an advanced touch-sensitive fan/ARGB control system, it serves as the ultimate premium foundation for heavy-duty professional rigs and enthusiast systems.