The mechanical specifications of verbatim media are very precise and data written to it can be read in a wide range of drives as a result verbatim discs demonstrate a high level of compatibility between drives running at a wide range of speeds key features superior resistance to uv irradiation archival life extra protection up to 40 years azo up to 100 years lowest error rate against a range of cd writers lifetime warranty capacity 700mb speed 52x pack style 50 pack spindle d