DVD-RAM is seen as a curiosity in the comments, which is sad, since it is the only one of the formats designed seriously for data storage. It has more error correction bits, and a kind of "hard sectoring" system for robust seeking (just look at the disk and its interesting dot pattern).
I once did some informal longevity tests, hanging DVD-R:s and RVD-RAMs outdoors on a wall for a fwe months. DVD-RAM survived the best, half a year on the wall with no loss, while several brands of DVD-R went totally unreadable.
But as usual, inferior technology is driving out the better one.
Register
DVD-RAM is the best if you care for data
DVD-RAM is seen as a curiosity in the comments, which is sad, since it is the only one of the formats designed seriously for data storage. It has more error correction bits, and a kind of "hard sectoring" system for robust seeking (just look at the disk and its interesting dot pattern).
I once did some informal longevity tests, hanging DVD-R:s and RVD-RAMs outdoors on a wall for a fwe months. DVD-RAM survived the best, half a year on the wall with no loss, while several brands of DVD-R went totally unreadable.
But as usual, inferior technology is driving out the better one.