The ornamental design for a datastoragedevice, as shown and described.
FIG. 1 is an isometric view of our design.
FIG. 2 is a top plan view of the design of FIG. 1.
FIG. 3 is a bottom plan view of the design of FIG. 1.
FIG. 4 is a left side elevational view of the design of FIG. 1.
FIG. 5 is a right side elevational view of the design of FIG. 1.
FIG. 6 is a front end view of the design of FIG. 1; and,
FIG. 7 is a rear end view of the design of FIG. 1.
The broken lines in these drawings serve to illustrate the environment in which the claimed design is associated. The broken lines form no part of the claimed design.