The Blu-ray Disc (BD), typically known just as Blu-ray, is a digital optical disc storage format. It is made to supersede the DVD layout, and efficient in saving numerous hrs of high-definition video clip (HDTV 720p as well as 1080p). The primary application of Blu-ray is as a tool for video product such as feature movies as well as for the physical distribution of computer game for the PlayStation 3, PlayStation 4, PlayStation 5, Xbox One, and Xbox Collection X. The name Blu-ray refers to the blue laser (which is in fact a violet laser) utilized to read the disc, which permits information to be stored at a better thickness than is possible with the longer-wavelength red laser made use of for DVDs. The plastic disc is 120 millimeters (4.7 in) in size and 1.2 millimeters (0.047 in) thick, the same dimension as DVDs and CDs. Conventional or pre-BD-XL Blu-ray Discs have 25 GB per layer, with dual-layer discs (50 GB) being the sector standard for feature-length video discs. Triple-layer di...