The ornamental design for a usbdrive, as shown and described.
FIG. 1 is a perspective view of the ornamental design for a USB drive, as seen from the front, top side;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken line showings of the portions of the connector are for the purpose of illustrating portions of the USB drive and form no part of the claimed design.