Maxtor OneTouch III 160GB External Hard Drive T01E160 160 GB portable hard drive connects to your computer via USB DriveLock password protects the contents of the drive in case of loss or unauthorized use System Rollback feature rolls back your system to a better point in time, such as before a virus attack, while keeping your data current Includes portable drive, software, USB 2.0 cable, external AC power supply, and quick start guide 1-year limited warranty