It’s compatible with Mac and PC computers (reformatting is required for use with a Mac), and its USB 3.0 jack is backward compatible with any USB 2.0 port. The 2TB My Passport only weighs half a pound (0.23 kg), and it’s built durably to withstand the knocks and bumps of daily life. In essence, it’s a very small device that offers a vast amount of storage space and one of the fastest data transfer ports available.