What Does Combo Drive Mean?
A combo drive is a drive that supports multiple kinds of compact disc multimedia operations. It can be a drive that supports both CD and DVD operations, or one that supports multiple formats such as HD and Blu-ray.
Techopedia Explains Combo Drive
The term “combo drive” has been most popularly used for the development of drives that could read and write CDs, while also reading DVDs. These are sometimes also called CDRW-DVD drives.