There are maximum 4 layers in a Blu Ray Disk with two sides. Each layer can save about 25 GB of data on it.
Digital optical discs can store data in the Blu-ray format. It was created in 2005, released internationally on June 20, 2006, and released in 2005.
Several hours of high-definition video may be stored on it, and it is intended to replace the DVD format (HDTV 720p and 1080p).
The primary use of Blu-ray is for the physical distribution of video games. It also serves as a medium for video content like feature films.
The term "Blu-ray" refers to the blue laser, which is actually a violet laser used to read the disc and provides for a higher density of information storage than the longer-wavelength red laser used for DVDs.
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