1. A composite solid-state drive (“CSSD”) comprising: memory that comprises a plurality of performance classes; description information corresponding to the CSSD; and an interface via which the CSSD is configured to communicate the description information to a separate host of the CSSD, where the communicated description information identifies the CSSD as both a solid-state drive (“SSD”) and a composite solid-state drive as opposed to a conventional hard disk drive (“HDD”).