Iomega DVR Expander Drive, eSATA, 500GB - 34172 Compatible  Tested to work with eSATA-enabled Pace Americas Set Box or Scientific Atlanta Explorer digital video recorder (DVR) High Capacity - Stores up to 300 hours of standard-definition TV or 60 hours of high-definition TV Easy to use - Recording location is automatically managed by the DVR Compact and Quiet - Sleek silver drive sits vertically in stand and quietly compliments your home theatre experience 3 year warranty with product registration