Memorex HD DVD discs use state-of-the-art, blue-violet laser technology to support high-definition television recording with excellent HD broadcast quality. Featuring storage capacities up to 3 times larger than today's standard DVDs and fast data transfer rates, HD DVD is ideal for consumers interested in recording TV shows and sporting events in crystal-clear, high-definition quality. HD DVD is also great for many other high data storage needs. Offering single-layer storage capacity of 15 GB, HD DVD discs dwarf today's standard 4.7 GB DVDs or 8.5 GB double-layer discs.