This listing is for a Be Quiet! Dark Base Pro 900 Rev. 1 full-tower PC case in excellent pre-owned condition. Known for its premium build quality, silence-optimized design, and modular flexibility, this case is ideal for high-end custom builds or workstation setups.

Features & Details:

• Full-tower ATX design supporting E-ATX / ATX / mATX / Mini-ITX motherboards

• 3 × 140 mm Be Quiet! Silent Wings 3 fans (two front, one rear) pre-installed

• Sound-dampened panels and front door with side ventilation for quiet performance

• Removable & invertible motherboard tray

• Modular drive cages (supports up to 7× 3.5″ or 15× 2.5″ drives)

• Integrated fan hub and cable management system

• Front I/O: Power, reset, fan-speed dial, 2 × USB 3.0, 2 × USB 2.0, audio I/O

• Slide-out front dust filter and magnetic top filter for easy cleaning

• Supports water-cooling radiators up to 420 mm (top/front)

This is the Rev. 1 model (no USB-C port). All panels, drive trays, and filters are present and in great condition. Minor signs of use, but no dents or missing screws. Clean and ready for a new build.