DVD-RAM media in a Type 4 Cartridge offers rewritable storage capacity and superior recording quality. The disc can be removed from the cartridge for playback in DVD-ROM drives which have DVD-RAM playback capability. They are compatible with drives and video recorders from Panasonic, Toshiba, Hitachi, JVC, Samsung, LG and others. Disk Type: DVD-RAM; Capacity (Video): 120 min; Recordable Format: Rewritable formatmay record and re-record data up to 100,000 times.; Capacity Range (Data): 4.7 GB.