Seagate 15TB FreeAgent GoFlex USB 30 25 Hard Drive Black Compatible with USB 20

As the world's most upgradable portable hard drive and the core of the GoFlex Storage System the GoFlex ultra portable drive gives you the flexibility you need to extend your digital life wherever you go. **Automatic backups that are always secure** With the GoFlex ultra portable hard drive it's easy to manage your backup schedules, encrypt your files, and view your drive's statistics. Ensures automatic continuous backup of your data Secures your backed up files and protects your privacy with powerful encryption software Includes the Seagate® Dashboard management tool for easy management of backup schedules, file encryption, and at a glance drive statistics, including available capacity **Works interchangeably on both PC and Mac® computers** Whether you have a PC or a Mac® computer or if you go back and forth between the two you can access and save files on the same portable hard drive anytime without reformatting*. *Reformatting to HFS required to use backup software for Mac or Time Machine® software **System requirements** Windows® 7, Windows Vista®, Windows® XP 32 bit & 64 bit operating system or Mac® OS X operating system 10.4.9 or higher USB 2.0 or 3.0 port For the USB 3.0 interface SuperSpeed USB 3.0 port required for USB 3.0 transfer speeds or backwards compatible with USB 2.0 ports at USB 2.0 transfer speeds Compatibility may vary depending on user's hardware configuration and operating system