CNET GLOSSARY: Terms for the techie
DVD+RW is a rewritable DVD standard developed by the DVD+RW Alliance, an industry consortium, to compete with the DVD-RW standard recognized by the DVD Forum. DVD+RW media has a capacity of 4.7GB. Like DVD-RW, it can be used for data or movie recording, but unlike DVD-RW, you can write to DVD+RW media before formatting is complete. You can also burn movies to DVD+RW, though only newer DVD-ROM drives or players can read the discs. DVD+RW is currently the fastest rewritable DVD standard.
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