FIG. 1 is a front view of a “disc storage device” incorporating my design;
FIG. 2 is a rear view thereof;
FIG. 3 is an elevation view thereof from the left side;
FIG. 4 is an elevation view thereof from the right side;
FIG. 5 is a top view thereof;
FIG. 6 is a perspective view thereof from the top right side; and,
FIG. 7 is a perspective view thereof, but shown in an alternative configuration and with additional storage units.
The broken lines shown form no part of the claimed design.