The next-generation data storage media disk, developed primarily by Toshiba. Although voted as the successor to the DVD officially by the International DVD Forum Organization, it is in close competition with the Blu-ray, developed by companies like Sony and Hewlett Packard. (A similar competition took place with the DVD, Toshiba's prototype ultimately chosen over Sony's).
It employs a 405 nm blue laser and has each capacity layer is 15gb. Toshiba has developed a dual-layered 30gb disk and a 45gb triple-layered disk.
Companies supporting the HD DVD include NEC, Sanyo, Microsoft, New Line Cinema, Paramount Pictures, Universal Studios, and Warner Bros.
Later releases of Microsoft's Xbox 360 feature HD DVD capable drives.