M-Disc is a more robust form of writable DVD and Blu-Ray media for making longer-lasting archives and backups. Here I look at M-Disc hardware, test compatitbility, and perform an intensive data retention test to see if M-Discs really do last longer than traditional optical media. This video is a follow-up to “Data Backup: The 3-2-1 Rule”: https://www.youtube.com/watch?v=rFO6NyLIP7M You may also enjoy some of my other storage-related videos:    • Storage & Related Hardware   Even more videos on computing-related topics can be found at: null You may also like my ExplainingTheFuture channel at: null