As opposed to light-sensitive organic dye use in standard CD, DVD, and
less expensive BD (Blu-ray) discs, M-DISC is more stable, less corruptible, and
is said to last ten times longer (up to a 1000 years) due to its resilient
optical disc format that uses a rock-like non-volatile data layer. The
technology is specifically designed to "etch" permanent data onto
M-DISC media from an M-DISC writer or burner. M-DISC claims their discs are
designed to protect your photo, video, music, and document data from
degradation and loss for centuries whereas hard drives, flash drives, and other
writable media can lose data.