1. A low profile storage device comprising: a housing that houses parts of the low profile storage device; a first interface, said first interface having a plurality of contact terminals movably extending out of said housing for connection to a computer; an interface controller coupled to said first interface and adapted to execute signal conversion and protocol operation of said first interface; a memory for storing data temporarily; a memory controller respectively coupled to said interface controller and said memory and adapted to transfer data from said memory to the computer to which said first interface is connected and to receive data from the computer to which said first interface is connected and then store the data in said memory.