USB portable storage capable of being upgraded and capacity-expanded freely by replacement of storage medium

Abstract

An USB removable memory with replaceable storage medium for optional upgrade and extension of the storage capacity, including an USB connector, a controller and a flash memory; said USB connector and said controller are integrated as a memory body; the flash memory as the physically-independent storage component is attached to the body, and is electrically connected to the controller. A dismountable back cover is provided in the rear of the housing of the body; a chamber for flash memory part is provided in the body; a flash memory is placed in the chamber; the electrical connection between said flash memory part and said controller is elastic tip-touch connection or plug-in connection. The flash memory is a independent part according to the present invention, which can be mounted/unmounted conveniently onto/from the body, so the memory can be optionally upgraded and extended in its storage capacity, it is convenient for user, the cost is reduced, and the resource is saved.

Dependencies are inferred from the claim text.