Western Digital My Passport.  Part Number: WDBKXH5000ARD

There are not any screws holding it together.  The top and the bottom snap together.

You can start taking it apart around the USB port.

With the top taken off.

No SATA connector on the drive.

The rubber pieces on the side keep the drive snug in the base.

All the pieces.  Hard drive, bottom, and top.