Lenovo DataSlim UHD E18-500GB. These drive incorporates a USB 2.0 interface for high-speed data transfers and is backward-compatible with USB 1.1 (at USB 1.1 transfer speeds). It offers high-capacity storage in a small lightweight and completely portable device without the need for an AC power adapter. Driverless installation under Microsoft Windows(R) XP and Vista makes the drive very easy to use and facilitates file transfers between systems. The Lenovo DataSlim UHD E18 option also enables Easy system storage expansion Video and audio file storage and Simple file backup.