Blu-ray BD-RE disc uses state-of-the-art, blue-violet laser technology to support high-definition television recording with excellent HD broadcast quality. Storage capacities are up to five times larger than standard DVDs. Discs also offer fast data-transfer rates. Ideal for consumers interested in recording TV shows and sporting events in crystal-clear, high-definition quality. Discs are also great for many other high-capacity data storage needs. Rewritable Blu-ray disc offers a single-layer storage capacity of 25 GB and a 1X to 2X write speed. Discs are compatible with Blu-ray capable hardware only and come in a 10mm jewel case.