FeaturesDual USB 3.0 portsTransfer speed: up to 160 MbpsAutomatic backup2-month Adobe Creative Cloud Photography Plan membershipFor use with both Windows and MacGet solid USB storage and 4TB capacity in an external desktop hard drive for Mac and Windows. Featuring dual front-facing, high-speed USB 3.0 ports, Seagate Backup Plus Hub 4 TB External Hard Drive makes it easy to charge mobile devices and transfer files from cameras, USB keys, and more. Even charge USB game controllers! Enjoy simple, one-click backups, or schedule automatic daily, weekly, or monthly backup by downloading Seagate Toolkit software. Plus, take advantage of a complimentary two-month membership to the Adobe Creative Cloud Photography Plan for access to awesome photo and video editing apps.