My last external drive used for back up died after 2 years, so I decided to try another brand specifically for Mac that is designed for Time Machine. I decided on the WD My Passport for Mac 500GB model after checking out the Apple site and various forums. It is exactly what I needed and does what it is supposed to do.
You plug it in via USB, (no external power required), an icon comes up on screen, it opens Time Machine, and off it goes! I don't want any hassles with back up and it should be easy - and this WD is. It's also very small, so sits neatly next to my MacBook Pro on the desk and then slips into my bag when I need to take it with me. I'm very happy with this product and hope it keeps up the good work for many years to come!
Oct 19, 2016 - The 1TB Western Digital My Passport is a utilitarian portable hard drive that features. Western Digital does offer a Mac-compatible version, but.