If you're looking to get the most out of today's high-definition streaming multimedia, we have the hard drive for you. AV-class hard drives are designed for optimized performance and smooth audio/video playback in always on 24x7 environments such as DVRs and set-top boxes. With capacities up to 2 TB, you'll have all the storage capacity you need for cctv, movie and music files. HD streaming multimedia never had it so good. With 3 key types WD offer solutions for all AV requirements