Western Digital Elements 2TB Portable HDD, Type – SATA External, Interface – USB 3.00, USB 3.0 and USB 2.0 compatibility, Up to 5 Gb/s Data Transfer Speed, Formatted for Windows 8, 7, Vista & XP, Easily Reformat Drive for Mac, Ultra-fast USB 3.0 data transfers. Massive capacity. Colors Available: Black.  03 Years Warranty.