ADDAC 901M 21U, Eurorack Studio Case, Aluminium case and wooden side panels with Wenge Veneer, 7 rows / 21 U, Width: 197 U per row (1379 U total), Available installation depth for modules: 6 - 12.5 cm, 14 bus boards with 14 slots each for modules, Active cooling with quiet 8 cm fan, Built-in power supply, Maximum current output: +12V / 20A, -12V / 20A, Dimensions (W x H x D): 1040 x 850 x 460 mm, Weight: 25 kg