DVD
DVD, short for Digital Versatile Disc or Digital Video Disc,
is a type of optical disk technology similar to the CD-ROM. Now most backup programs can backup to DVD,
Handy Backup also supports DVD.
A DVD holds a minimum of 4.7GB of data,
enough for a full-length movie. Double layer discs hold about 8.5Gb, and double-sided discs hold twice
as much as the single-sided ones. DVD discs are commonly used as a medium for digital representation of
movies and other multimedia presentations that combine sound with graphics, but are also one of the best backup solutions.
It's supposed that store critical data in external mediums more reliable than backing up to another HDD in your system.
Cause of storage capacity and relatively cheapness DVD one of the best medium for backup purposes. Handy Backup easily
performs a backup to different storages, including
backup to DVD and
backup to CD.