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Whats the capacity of a Blu-ray disc and how does that compare to CD and DVD media?

April 26, 2017Blu-ray CD compare Disc DVD media

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Whats the capacity of a Blu-ray disc and how does that compare to CD and DVD media?

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A single layer 12 cm (4.72″) Blu-ray disc holds 25 GB of data. A dual-layer BD holds 50 GB of data. Video capacity will vary based on number of audio channels, and video compression. On average, over 9 hours of HD video will fit on a 50 GB disc. About 23 hours of standard-definition (SD) video will fit on a 50 GB disc.