Also called "double layer." See DVD-9 and Blu-ray. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

TOKYO—Toshiba Corporation today reconfirmed the flexibility and expandability of the HD DVD format with the announcement of a 30GB dual-layer HD DVD-R (recordable) disc that extends the capacity ...

As well as burning high-capacity DVD±R(W) (double layer) media, these drives are also read/write compatible with the DVD-RAM format The HP dvd840i and dvd840e Super Multi DVD writers are high ...