The ornamental design for a slimexternalwirelessstoragedrive, as shown and described.
FIG. 1 is a left-side view of the slim external wireless storage drive according to the design shown in FIG. 7;
FIG. 2 is a right-side view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a front view thereof;
FIG. 6 is a rear view thereof;
FIG. 7 is a top perspective view of a slim external wireless storage drive;
FIG. 8 is a bottom perspective view thereof; and,
FIG. 9 is an enlarged detail bottom perspective view thereof, taken from FIG. 8.
The broken lines of the FIGURES depict parts of the slim external wireless storage drive that form no part of the claimed design. Further, line shading is meant to show contour of represented surfaces and not surface ornamentation.