MiniDVD


MiniDVD is a DVD disc which is in diameter. It refers two separated formats as well. One is a pseudo-format that uses 80mm CD-R to store contents with the same structure as the standard DVD-Video so that standalone DVD players can play it like standard DVD. The other format is a real DVD format, but in a smaller 80mm size, which holds 1.4 GB of data.
The 8 cm optical disc format was originally used for music CD singles, hence the commonly used names CD single and miniCD. Similarly, the manufactured 8 cm DVDs were originally used for music videos and as such became known as DVD single.
MiniDVD is known also as "3 inch DVD", referring to its approximate diameter in inches.

MiniDVD capacities

Recordable 8 cm discs are commonly used in DVD-based camcorders. The most common MiniDVDs hold 1.4 GB of data, but there are variants that can offer up to 5.2 GB of storage space, through a combination of dual layers and sides. Mini DVDs are also available in +R, +R DS, +R DL, +R DL DS, +RW, +RW DS, -R, -R DS, -R DL, -R DL DS, -RW, and -RW DS variants, just like their full sized counterparts.
Physical sizeSingle layer capacityDual/Double layer capacity
12 cm, single sided4.7 GB8.5 GB
12 cm, double sided9.4 GB17.0 GB
8 cm, single sided1.46 GB2.66 GB
8 cm, double sided2.92 GB5.32 GB

Variants of MiniDVD

used a disc-based format for their GameCube system, which is a variant of an 8 cm DVD. This format is also supported by the pre-RVL-101 models on the Wii for backward compatibility with the GameCube.