DVD-RW is a rewritable format that is closely related to DVD-R, and is recorded by similar drives DVDRW is a sequential read/write media primarily designed for video recording and streaming computer backup applications, Verbatim DVD-RW discs are manufactured with a patented phase change Super Eutectic Recording Layer (SERL) that minimizes optical noise during erase/rewrite cycles, and provides superior archival life, DVD-RW disks can be rewritten over 1,000 times, A number of DVD-ROM drives and DVD video players support DVD-RW, Primary Information, Media Type:DVD-RW, Media Form Factor:5, 25"", Storage Removable Capacity (Native):4, 7 GB, PC Compatibility:PC, UNSPSC Code, UNSPSC Code:43202003 SKU: SY2484729