CD-ROMs typically hold --- of data?

Standard 120 mm CDs typically hold 650-700 MB of data (74-80 minutes of audio) depending on the CDs and the drives used. The legend behind why 74 minutes was chosen was because one of the developers wanted the entire Beethoven Ninth symphony to fit on a single disc. Mini CDs (3" or 80 mm) hold about 185 - 210 MB.