Abstract: A removable storage device includes a base including a first frame and a second frame connected to a first frame. A containing space is formed on the second frame. A first connector is disposed on an end of the second frame. A height difference is formed between the first frame and the second frame. The removable storage device further includes a storage module installed on the first frame. A second connector is disposed on an end of the storage module. The removable storage device further includes a cable. One end of the cable is connected to the first connector, and the other end of the cable is connected to the second connector. A part of the cable is contained in the containing space of the second frame.