The Dark Base 900 has support for ATX, m-ATX, E-ATX motherboards, two 5.25″ drive bays and seven 3.5″ drive bays with ease.
The Dark Base 900 and the Dark Base 900 Pro same case, just the 900 version will have a sound dampened non-windowed side panel, and the Pro version will feature a 4mm thick tempered glass side panel, alongside built-in Qi wireless charger for mobile phones. The case also has RGB LED strips which can be switched between 5 colours be the default.
Both cases come with three Be Quiet! SilentWings 3 fans. Be Quite giving a 3-year warranty and will retail at $199 for the base version and $249 for the Pro version with RGB illumination and a Tempered glass side panel.