The Verbatim Titan XS, the industries smallest portable hard drive, lets you backup your laptop on-the-go! This rugged and sporty drive offers a shock-resistant rubber enclosure that protects against rough-and-tumble use. The Titan XS is compatible with all USB connections and includes Turbo USB software and Nero BackItUp & Burn Essentials software with full system backup and restore functions. The Titan XS is big on storage with 320GB, 500GB and 640GB capacities. The Titan XS boasts special bonuses from Norton Online Backup and eMusic as well as a 7-year limited warranty.