HP 924973-001 9.5 mm Slim DVD-ROM drive is an optical drive listed for the HP 800 G3 AiO. Its slim format makes it suitable for systems designed for a compact optical drive, while its DVD-ROM designation identifies it as a read-only DVD drive.
This part is a specific fitment reference for the HP 800 G3 AiO. The listing identifies it as part 924973-001, so the model number and 9.5 mm slim format describe this particular drive rather than a generic optical-drive family.