TDK Blu-ray discs, featuring DURABIS2 technology, make recording HD video & backing up large data directories possible. Each single layer 25GB disc provides 5x the storage of a conventional DVD allowing for 2 hours of HD quality video while supporting a throughput of 72 Mbps. The exclusive DURABIS hard coating formulation protects the media surface against scratches & other contaminants while the advanced spin coat manufacturing process & ultra-precise recording materials create an extremely smooth & precise cover layer allowing for 10000 re-writes without loss of quality. Features Single Disc Single Layer 25GB Capacity 4x Write Speed