Blu-ray Disc (also abbreviated as BD) is an optical disc storage medium which was created by Sony to hold high-definition movies and TV shows on discs that range from 25GB (single-layer) to 50GB (dual-layer). Blu-ray Disc was created to supersede the standard-definition DVD format. New larger Blu-ray formats (BDXL) include 100GB and 128 GB storage capacity.

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