Abstract: It is known that in particular components or component accessories are stored in a storage in industrial production. To this end, a depot storage unit for storing small parts is proposed, having a base frame, a rotary table, wherein the rotary table is rotatably supported on the base frame and is rotatable relative to the base frame and wherein the rotary table includes a base plate, a drive device, wherein the drive device is operatively connected to the rotary table, so that the drive device rotates the rotary table, a plurality of receiving boxes, wherein the receiving boxes are arranged on the base plate in the direction of rotation, wherein the depot storage unit includes at least or exactly one sensor device for detecting a weight of at least or exactly one of the receiving boxes.