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 discs and is ideal for high-volume data recording; archiving and playback. Each single-sided DVD-R 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-Rs offer write speeds up to 16X.