Most optical drives today are combo CD/DVD drives that support DVDs and all the CD formats: CD audio, CD-ROM, CD-R and CD-RW. The speeds of the drives are rated by their CD-ROM and DVD transfer rates.

Modern CD-ROM drives also play audio CDs. See CD-ROM and CD-ROM drives. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

However, it was a bit of a different story for the interface that hooks up the CD drive to your computer, as [Tech Tangents] found out when he managed to get his hands on a first-generation CM100 ...