1 high-grade, non-rewritable BD-R discs, OEM certified, with a one hundred year archival life Verbatim Blu-ray discs are treated with Hard Coat to prevent scratches, resist fingerprints and reduce dust build-up Single-layer discs with up to 25GB of storage space to back-up your HD video, music and photos with superb resolution and amazing sound quality. Up to 6x write speed. Compatible with the latest Blu-ray hardware including Sony, Pioneer, Panasonic, Dell, Lenovo, HP, and LG. Verbatim has been a leader in data storage technology since 1969, and guarantees this product with a limited lifetime warranty and technical support