Maxell 638000 4x Write Speed Write Once Format DVD-R Compatable Superior Archival Format 4.7Gb Dvd-R 10Mm Jewelcase Write once recording format Capture and archive high capacity files Superior archival life makes DVD the ultimate format for storing valuable data Playback on any DVD drive or player Perfect for home video recording, transferring home movies, storing digital pictures, etc. Certified for drives with up to 4X write speed Stores up to 4.7 GB of data Playable on most current DVD Video players NOT for use in DVD+R ( DVD-Plus-R ) drives Comes in its own jewel case