a mounting apparatus for a data storage device that includes a tab includes a bracket , a locking member , and an operating assembly . the bracket includes a bezel defining an opening and a first cutout corresponding to the tab . the locking member , movable on the bezel , defines a second cutout corresponding to the first cutout . the operating assembly is assembled in the bezel and slides the locking member on the bezel to align or misalign the second cutout with the first cutout .