LG Electronics WH12LS39K M-Disc 12X Internal SATA Blu-Ray Rewriter - OEM Bulk Burner Drive The M-DISC uses a patented rock-like recording surface instead of organic dye to etch your records. The unique materials used in the M-DISC require a new disc drive technology to engrave data on the surface. The M-DISC and the LG Super Multi Drive has been designed and optimized to work as one to etch data into the permanent synthetic stone layers within the M-Disc. LG Super Multi Drive is the one and only drive for burning the M-DISC and offers the best archival data storage solution. Good for any situation when storing data for a lifetime is a necessity. It's also backwards compatible with most DVD and Blu-Ray drives.