DVD+R Double Layer nearly doubles the storage capacity of a standard DVD with two AZO recording layers on a single-sided disc. With the added capacity, DVD+R DL media is the preferred DVD media for video and gaming developers. In fact most Hollywood movies and Video Games for consoles like X-Box are developed on 8.5GB Double Layer discs, whereby the Optical Quantum DVD+R DL discs are often used by professionals in these fields when making copies for internal use.Optical Quantum"s DVD+R DL discs provide exceptional performance, reliability, and compatibility. Certified and supported by the industries high speed Double Layer writers, Optical Quantum discs are approved for high speed burning up to 8X speeds with a storage capacity of 8.5GBs.