.: Close Window Archival Media Kit Product information sheets are available in Acrobat PDF format. To view these files, you must have Adobe Acrobat Reader, which you can download free from Adobe's website. Archival Media Kit Info Sheet: Accelerated Life Cycle Comparison Of M-DISC Archival DVD M-Disc Why Physical Pits Are Better What Makes the M-DISC Rock-Like Solutions Overview M-Disc Data Layer Stability