Maxtor OneTouch 4 Lite 500 GB USB 2.0 Desktop External Hard Drive STM305004OTA3E1-RK Maxtor OneTouch button  the easy way to make backup copies of your files Simple Maxtor user interface for backup scheduling and restoring Auto Updater helps keep your Maxtor OneTouch solution current Plug and play storage; Back up your files with one touch of a button USB 2.0; PC and Mac compatible