The design for a portabledatastoragedevice, as shown and described.
FIG. 1 is a perspective view of a portable data storage device;
FIG. 2 is a perspective exploded view of a portable data storage device;
FIG. 3 is a top view of a portable data storage device;
FIG. 4 is a front view of a portable data storage device;
FIG. 5 is a back view of a portable data storage device;
FIG. 6 is a side view of a portable data storage device; and,
FIG. 7 is a perspective view of a portable data storage device in use.
The broken lines showing the credit card in FIG. 7 are included for the purpose of illustrating environmental structure and form no part of the claim. The broken lines showing of the connector in FIG. 7 is for the purpose of illustrating the connector behind the credit card; the connector forms part of the claimed design.