DVD-R is a write once read many media, An empty disc is known as a DVD-R but after writing it is in fact a DVD-ROM which cannot be changed, The Metal AZO dye ensures your data being safe a long time into the future, Professionals working with large image files for example will immediately discover advantages such as the ability to have an entire picture library on one disc while sharing large multimedia files will no longer be a problem, Home-users will be able to edit organize share and preserve their memories on one disc in the form of photos video clips and music, SKU: DXXX014