CD-R media is tested and certified by leading drive manufacturers. These high-grade discs deliver reliable recording even at blazing drive speeds, completing a full 700MB/80min recording in less than two minutes. Combining this level of performance and excellent reliability, CD-R media are the ideal storage medium for recording and sharing any combination of digital images, music, desktop files and more. CD-R. Disk Type: CD-R; Capacity (Music): 80 min; Recordable Format: Write Once formatmay not be altered once data is written to the disc.; Capacity Range (Data): 700 MB.