Seagate Showcase 1 TB USB 2.0 DVR Storage Expander ST31000SCA101-RK (Silver) Easy add-on storage for your DVR Quiet operationperfect for bedrooms and living rooms Up to 200 hours of HD or 1000 hours of standard definition TV shows and movies Best-Fit Applications: DVR and media centers applications, multimedia hard drive recorders, karaoke and audio jukeboxes, home theater PC Choose between USB or eSATA interface model to integrate with your DVR