- Fully versatile thanks to modular construction
- Three pre-installed fans
- Effective full circuit airflow system with innovative noise-reducing vents all around the case
- Completely sound insulated case with decoupled elements for motherboard, power supply and drives
- Four areas for water cooling radiators on top, front, back and base of the case
- 2-in-1 side panel vent can be closed for silent operation or opened for two additional fans
be quiet! Dark Base Pro delivers unrivaled flexibility with impeccable cooling and silence features. It was designed for the enthusiasts and individualists - all of those, who expect the high standards, when it comes to modularity, compatibility and design for their workstations as well as overclocked and silent water-cooled systems. Dark Base Pro 900 has numerous modularity possibilities to satisfy every desire with lots of features to support special configurations. Aluminum surfaces and steel offer high stability with a look of extreme elegance. Simply an engineering work of art!