FLASH DRIVE WITH USER UPGRADEABLE CAPACITY VIA REMOVABLE FLASH

摘要

An exemplary data storage device includes a fixed storage medium, an expansion socket configured to selectively receive at least one removable memory card, and a controller configured to interface the fixed storage medium and the at least one removable memory card with a host device. An exemplary method includes verifying credentials with verification data stored on the fixed storage medium of the data storage unit, and protecting data on the removable storage medium removably attached to the data storage unit.