Verbatim SUSB1TB 1 Terabyte (1TB) USB 3.0 3.5" External Hard Drive (Black) Verbatim SUSB1TB 1 TB External Hard Drive General Features: Black color 1 TB storage capacity 7200 RPM spindle speed Up to 480 Mbps USB 2.0 transfer rate Up to 12Mbps USB 1.1 transfer rate USB 3.0 interface (backwards compatible with USB 2.0) USB cable included 3.5-inch form factor PC and Mac compatible I/O Ports: One (1) USB B port One (1) Power port Unit Dimensions: 4.44 x 7.93 x 1.56-inches (H x W x D, approximate)