“Verbatim no longer sells M-Discs, but puts cheap Blu-ray blanks in M-Disc cases and sells them as M-Discs” – this is the accusation against the manufacturer of blank M-Discs, the American company Verbatim, in one Reddit post.
Forum participants have found modified discs in standard M-Disc packaging that – unlike previous M-Discs – can burn not just at 4x rate, but at 6x speed. From this they concluded that Verbatim would now sell shorter-lived Blu-ray Discs under the M-Disc label. Some also suspect that the media may be fake, for example because the media ID has changed.
Literally: progress, not falsification
However, when asked, Verbatim clarified that these mediums are further developments. Technical changes resulted in a different look and the ability for faster copy speeds, and the changed Media ID was the result of a modification in other Verbatim products. Verbatim introduced the first modified media at the beginning of 2022.
The data security of new disks is not inferior to the security of old ones: according to the manufacturer, the data should also last for 1000 years.
Old technology and still very exciting
M-Disc is of particular interest for long-term archiving. Although capacities of up to 100GB per disc are very low by today’s standards, costs are moderate compared to more modern optical storage media: M-Disc can be written to practically any Blu-ray burner, while Sony’s Optical Disc Archive alone costs several thousand euros to drive.
For home users, the M-Disc is a An archival medium suitable for everyday usebut we recommend an extra copy of important data – because the results of copy operations can only be verified using a few old drives.