Verbatim 98912 M-Disc BDXL 100GB 4X Surface - 1pk Jewel Case 1 high-grade non-rewritable BDXL discs with projected lifetime of several hundred years (based on ISO/IEC 16963 testing) Stored data is engraved - ultimate archival solution. Impervious to environmental exposure, including light, temperature and humidity Media discs with up to 100GB of storage space to back-up your HD video, music and photos with superb resolution and amazing sound quality. Withstood rigorous testing for durability by US Department of Defense. Compatible with BDXL optical drives Verbatim has been a leader in data storage technology since 1969, and guarantees this product with a 10-year limited warranty and technical support