The data storage discs are more and more sophisticated and they are characterized because its capacity is increasing to replace the necessities of the users at the time of keeping data.
Exist different types of DVD formats, but most of them are not available yet in de market. Some of them, like the Dvd-r of double layer will begin to commercialize itself shortly.

Another one of the formats is the Blue Ray. Developed by a group of companies dedicated to the consumption of electronics and computers known like BDA (Blue Ray Disc Association). This disc uses blue rays with shorter wavelength. These discs will be able to store up to 25 GB. And its version of double layer up to 50 GB. In a future these capacities will be extended up to 100 and 200 GB of storage.

Another one of the disk formats DVD that will appear will be the Hd-dvd (Digital High-Density Versatile Disc) is a digital optical format of DVD of high resolution promoted by Toshiba, NEC and Sanyo.

The Fluorescent Multilayer Disc (FMD) is another one of the formats, of the same dimensions that the CDs and the DVDs., whose reader takes advantage of the fluorescent light discs, thus to increase its capacity of storage. In addition, they are faster due to the different synchrony between the reflected light and fluorescent and the data are read simultaneously from different zones from the disc. It is a disc in transparent appearance with multiple layers each one is possible to be read with a different intensity from laser. Each disc will be able to store 120 GB of information.