Lenovo USB 2.0 Portable Hard Drive option works with Rescue on ThinkPad, ThinkCentre, and Lenovo 3000 systems. Rescue and Recovery is a complete image recovery solution that helps protect against data loss in the event of a software or hardware failure by enabling recovery to a previously saved image. This bootable drive, together with Rescue and Recovery software, allows straightforward recovery of your system image and data. This drive incorporates a USB 2.0 interface for high-speed data transfers and is backwards 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.