The original post: /r/datahoarder by /u/didyousayboop on 2024-06-19 11:48:06.

Important information from the Canadian Conservation Institute, an agency of the federal government of Canada.

Table 2: the relative stability of optical disc formats

| Optical disc formats | Average longevity | |

|

| | CD-R (phthalocyanine dye, gold metal layer) | >100 years | | CD-R (phthalocyanine dye, silver alloy metal layer) | 50 to 100 years | | DVD-R (gold metal layer) | 50 to 100 years | | CD (read-only, such as an audio CD) | 50 to 100 years | | CD-RW (erasable CD) | 20 to 50 years | | BD-RE (erasable Blu-ray) | 20 to 50 years | | DVD+R (silver alloy metal layer) | 20 to 50 years | | CD-R (cyanine or azo dye, silver alloy metal layer) | 20 to 50 years | | DVD+RW (erasable DVD) | 20 to 50 years | | BD-R (non-dye, gold metal layer) | 10 to 20 years | | DVD-R (silver alloy metal layer) | 10 to 20 years | | DVD and BD (read-only, such as a DVD or Blu-ray movie) | 10 to 20 years | | BD-R (dye or non-dye, single layer or dual layer) | 5 to 10 years | | DVD-RW (erasable DVD) | 5 to 10 years | | DVD+R DL (dual layer) | 5 to 10 years |