Memorex Blu-ray 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 5 times larger than today's standard DVD's and fast data transfer rates, Blu-ray is ideal for consumers interested in recording TV shows and sporting events in crystal-clear, high-definition quality. Blu-ray is also great for many other high capacity data storage needs. Offering single-layer storage capacity of 25 GB.