Portable hard drives are an easy-to-use solution to instantly add storage to a computer or take files on the go. Drive is equipped with software to schedule, automate, and individualize backups. USB powered with 3.0 connectivity for fast data transfers, also worka with USB 2.0 ports and meet plug and play standards. Drive Type: Portable Hard Drive Maximum Native Data Capacity: 4 TB Connector/Port/Interface: USB 3.0 Operating System Compatibility: Mac Windows.