How big is a Blu-ray Disc and what does it look like?
A standard Blu-ray Disc is 12cm in diameter, the same size and similar appearance as current DVDs and CDs. • What are the different Blu-ray Disc formats? As with conventional CDs and DVDs, Blu-ray Discs may be available in a wide range of formats including ROM/R/RW. The following formats are part of the Blu-ray Disc specification: • BD-ROM – read-only format for HD movies, music, software, games, etc. • BD-R – recordable write once format for video recording and PC data storage. • BD-RE – rewritable format for video recording and PC data storage. There are also plans for a BD/DVD hybrid format, which combines Blu-ray Disc and DVD on the same disc to enable playback in both Blu-ray Disc players and DVD players. 4 BLU-RAY DISC FAQS • How much data can a Blu-ray Disc hold? A single-layer disc can hold 25GB. A dual-layer disc can hold 50GB. To ensure that the Blu-ray Disc format is easily extendable (future-proof) it also includes support for multi-layer discs, which should allow the stora
