You’ve heard it over and over again. Back up. Back it up. Be sure to back up. It’s good advice and the Western Digital My Passport portable hard drive makes it easy. WD My Passport Design and Build Measuring 3.24” x 4.33” x 0.85” and weighing in at just over ½ lb., the My Passport … » Learn More about WD My Passport 4TB Portable Drive