What is maximum storage capacity of a CD?

The maximum storage capacity of a CD-ROM is determined by the size and intended storage of the CD itself. The majority of CD-ROMs sold today are 74 minute and 80 minute discs, the 74 minute disc is rated to hold 650 MB but can actually hold up to 681 MB. The 80 minute disc is rated to hold 700 MB but can hold up to 737 MB.