Much like DVD, a type of disc that can hold files (like films and music) - but Blu-ray disks can hold up to ten times more information than a standard DVD.

Blu-ray is an optical disc format like CD and DVD. Blu-ray discs can hold more information than other optical media, because of the blue lasers that the disc drives use. A single Blu-ray disc can hold [..]

An HD-DVD format that uses a 405nm-wavelength blue-violet laser technology, in contrast to the 650nm-wavelength red laser technology used in traditional DVD formats. The rewritable Blu-ray disc, with [..]

A type of high-definition optical disc introduced by Sony in 2006, BD quickly outdistanced HD-DVD (abandoned by Toshiba in 2008) in the emerging market for this new high-capacity storage medium. Named [..]

What is Blu-ray? Blu-ray, also known as Blu-ray Disc (BD) is the name of a new optical disc format that is rapidly replacing DVD. The format was developed to enable recording, rewriting and playback o [..]

an optical-disc format that greatly increases the capacity of DVD-size (4.75-inch) discs. It's named for the blue lasers whose shorter-wavelength light allows more data to be recorded in the same [..]

 Blu-ray is an optical disc format such as CD and DVD. It was developed for recording and playing back high-definition (HD) video and for storing large amounts of data. While a CD can hold 700 MB of data and a basic DVD can hold 4.7 GB of data, a single Blu-ray disc can hold up to 25 GB of data.