Dell 9WHKM Internal Optical Drive - 8x (DVD-ROM) - Ultra-slim Line, 9.5 Millimeter Height - SATA InterfaceModel Number|9WHKMProduct Name|Dell 9WHKM (Hitachi-Lg Data Storage DU90N) Internal Optical DriveProduct Type|Optical DriveForm Factor|Ultra-slim Line, 9.5 Millimeter HeightInterface|SATARead Speed|8x (DVD-ROM)Function|Reads DVD discs (ROM only, not a writer)Mounting|InternalCompatibility|Dell PowerEdge 14th Generation ServersAlso known as|Hitachi-Lg Data Storage DU90N