M-DISC – DVD/Blu-ray compatible discs that may last up to 1000 years • Hacker News Board

Post by publlus_enigma » Mon, Sep 07, 2026, 9:28 AM UTC

ricardobeat wrote: post #89

ButlerianJihad wrote: post #20

Earlier quoted context omitted.

There is licensing and a compatibility mark, and I distinctly recall that my Philips BD-XL writer was badged for M-DISC and touted its capabilities. https://www.techpowerup.com/forums/threads/new-m-disc-to-pro... I ran Linux backups on BD-XL 100GB discs for awhile. I lacked access to space in a salt mine, and the M-DISC media was prohibitively expensive, and unnecessary, since the Linux system, its drives, and its ba…

> And nothing of value was lost. Depends. There are still barely any options for archival-quality digital media for regular people. M-Disc is one of them. Most of what we have access to has a <30 year shelf life.

Closer to All of the combine controller electronics with the storage medium itself, which is another point of failure, and one not easily repaired. Their lack of electrical isolation from a host, combined with their lack of true write protection, makes them vulnerable during read.

Sadly, 5.25" internal Blu-ray drives are all but extinct now, though USB-C variants are still somewhat readily available with transports from Hitachi-LG.