Western Digital My Passport is an HDD with 2.5" form factor. Featuring 320 memory capacity, the My Passport model provides storage space for the user's data. The device connects through USB 2.0 interface and efficiently handles data transfers. The Western Digital hard drive's dimensions are 0.5 inch height, 3.1 inch width, 5 inch depth, and its weight is 0.4 lbs.