Buffalo's DriveStation Axis USB 3.0 Desktop Hard Drive HD-LBU3 is an easy to use solution for the addition of external storage to any device using a USB port. It features a sleek, attractive chassis that can be positioned vertically or horizontally, adapting to the location it is used in for efficient use of space. With USB 3.0 support and backward compatibility with USB 2.0, DriveStation Axis USB 3.0 works with almost any PC or Mac computer and provides interface speeds up to 5 Gbps. It comes equipped with Buffalo Tools, a feature-rich suite of tools designed to enhance computer performance and the day-to-day digital life of Windows PC consumers: boost transfer speeds by up to 4X over USB 2.0, conserve energy and battery consumption and perform PC backups. DriveStation Axis USB 3.0 is the perfect solution for expanding storage or backing up your computer.