ROADINGER Rack Unit 3U is a rack module for installing 483 mm (19-inch) devices. It features a convex front with handles, ventilation and cable-inlet cutouts, an integrated tray, rubber feet, and profile rails for 19-inch units. The housing is made of 9 mm plywood multi-layer glued material with a black textured coating. It provides an approximately 13.5 cm mounting height, 500 mm mounting depth, a maximum load of 25 kg, and dimensions of 53 × 56 × 18 cm.