Optical drives are produced by multiple manufacturers. Buyer may receive different part numbers, model numbers, or manufacturers than mentioned or photographed. All optical drives are guaranteed to be compatible. This is a Genuine Dell ATAPI/Enhanced-IDE DVD-ROM Optical Drive for Latitude D420, D430, D430N PR09S Media Base and Most Systems Requiring a 9.5mm Ultra Slim Optical Drive; Dell Part Numbers; HJ119, KJ410, NT286, PR09S, CT333, GDR-8087N. Read Speed: CD-R (24X CAV), CD-RW (24X CAV), CD-ROM (24x CAV), DVD-ROM (8X CAV). DVD-R (3.95 GB, 4.7 GB), DVD-RW (4.7 GB) disc read compatible; DVD+R, DVD+RW read compatible. Enhanced-IDE (ATAPI) model; Supports Power saving and sleep mode. Improved Buffer Under Run Error handling through the Preventive function. Guaranteed for Latitude D420, D430, D430N PR09S Media Base. Will fit MOST systems that require 9.5mm Ultra Slim Drives; Check connection and compatibility carefully.