Seagate 4TB Backup Plus Hub USB 3.0 Desktop 3.5 inch External Hard Drive for PC and Mac with 2 Months Free Adobe Creative Cloud Photography Plan The Seagate Backup Plus Hub drive optimizes external storage with simple file backup for your computers and mobile devices—and an intelligent USB hub to charge and manage your USB-connected devices.  High-speed USB 3.0 and 2.0 connectivity offers plug-and-play functionality on your PC. The drive is formatted for Windows computers. Install the provided NTFS driver for Mac on your Mac computer, and you can use the drive interchangeably between Windows and Mac computers without reformatting (Requires formatting for Time Machine backup).  The two front-facing intelligent USB 3.0 ports amplify the functionality of your drive by allowing you to charge and connect two external devices, like your phone, tablet or camera—even if your computer is in off/standby mode.  Back up your favorite files, photos and video from your PC using downloadable Seagate backup software. Run a one-click backup or schedule an automatic backup plan to protect your files in your Backup Plus Hub drive at your convenience.