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What capacities of blank CD-R and CD-RW discs are available?

April 26, 2017blank capacities CD-R CD-RW discs

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What capacities of blank CD-R and CD-RW discs are available?

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Disc capacity is commonly described in terms of how many minutes of digital audio and/or the capacity for computer data in megabytes. Most CD-R and CD-RW discs are 74 minute/650 MB, or 80 minute/700 MB (for a 12 cm discs) and 21 minute/185 MB (for an 8 cm discs).

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Manufacturers commonly express disc capacity in terms of how much Red Book digital audio (in minutes) and computer data (in megabytes) a disc can contain. Historically, 63 minute/550 MB (12 cm) and 18 minute/158 MB (8 cm) discs were once available but are now rendered obsolete by advances in recording technology. Currently, 74 minute/650 MB, 80 minute/700 MB (12 cm) and 21 minute/185 MB (8 cm) discs are the market standards.