The Arturia RackBrute 9U Bundle provides you with 2 compact and portable line enabled eurorack modular cases ideal for modular users on the move. Included in the bundle is the Arturia RackBrute 6U and Arturia RackBrute 3U cases capable of holding your eurorack modules. The 6U offers 171HP of space whilst the 3U offers 83HP. Each case includes a power module for powering the modules inside. They also offer padded handles for pain-free travel.