Expand your computer’s storage capacity with this Buffalo DriveStation Axis Velocity 4TB external hard drive. The plug-and-play setup makes it easy to use, while the USB 3.0 connection enables fast file transfer speeds of up to 5 Gbps and is backward compatible with USB 2.0 for flexibility. Featuring 256-bit AES hardware encryption, this Buffalo DriveStation Axis Velocity 4TB external hard drive provides data security. 4TB capacity holds large amounts of data. USB 3.0 port backward compatible with USB 2.0 for increased connectivity. Data transfer rates of up to 5 Gbps on USB 3.0 and up to 480 Mbps on USB 2.0. 7200 RPM speed for fast performance. Compatible with Windows and Mac computers.