Branded DVD-RW with 4X speed is a rewritable format that allows you to record, erase and rerecord your own DVDs more than 1,000 times. Officially known as DVD-Rewritable, DVD-RW is the rewritable version of the write-once DVD-Recordable (DVD-R) format. DVD-RW is compatible with existing DVD video players and DVD-ROM drives. DVD-RW media can contain up to 4.7GB of information. This massive data storage and retrieval method is ideal to store video, audio, data and more. Offers high storage density.