How much data can be stored on CD?

Storage capacity on cds varies slightly among media manufacturers. A Compact Disk (CD) can usually store up to 700MB data. Disc capacity is expressed in terms of how much Red Book digital audio (in minutes) and computer data (in megabytes) a disc can contain. The market standards are, 74 minute/650 MB, 80 minute/700 MB (12 cm) and 21 minute/185 MB (8 cm) discs.