The M-DISC is an extremely durable and reliable storage medium, which is a long-term data archiving. The M-disc as a single disc the stringent tests of the US defense ministry for long-term archiving passed.Thanks to the patented, stone-like material, the data is usually right in the recording layer engraved. Through this physical change of the medium, the stored content up to 1000 years archived.The inorganic layer ensures that no special precautions must be taken during storage, since there can be no interference from temperatures, humidity as well as sunlight.M-DISC BD-R XL media can be used with all Blu-ray BD-XL recorders and can be read.This text is machine translated.