Doepfer A-183-9, Eurorack Module, Quad USB Power Supply, 4 USB ports for powering external devices, Requires a housing with +5 V power supply (Doepfer A-100PSU3 recommended), Power requirement: 0 mA (+12 V) / 0 mA (-12 V), Width: 2 HP, Depth: 30 mm@+*Note: no USB functionality!*@+@+