Western Digital 5TB My Passport Ultra for Mac external hard drive Silver Equipped with USB-C technology, the My Passport Ultra for Mac portable drive offers an easy way to expand your storage. Its modern metal design complements your Mac, and out of the box, it\'s formatted for mac OS and Time Machine compatibility. USB-C ready, USB 3. 1 compatible Innovative style with refined metal cover WD Discovery software for drive management Password protection Up to 5TB of capacity Formatted for Mac