Branded DVD-Rs offer a write-once format that holds up to 4.7GB of high-density data. Media in write-once format is capable of producing pre-master disks and is ideal for high-volume data recording, archiving and playback. Each single-sided DVD-R disk can store up to 4.7GB of high-density data. By using DVD-R, information is permanently recorded (write-once) and cannot be altered or erased. DVD-R also provides a life expectancy of 100 years, and is compatible with most DVD-ROM drives and DVD-Video players. Ideal for the combined storage of music, video and data, transfer of video and large capacity data files, Internet downloads and massive archival storage. DVD-R disks offer write speeds up to 16X.