Original Genuine Dell D-Series Laptop 8x CD/DVD-ROM Drive For D/Dock Port Replicator Expansion Station, External D/Bay Caddy, Precision M20, M60, M65, M70 Optiplex GX620 (USFF), SX280 (USFF), 745 (USFF), 755 (USFF), 760 (USFF) P/N: 5W299, 5W299-A01, 0DVV8 Slimline Design Eject Button / Emergency Eject Hole Enclosure Type: Internal Read Speed: 8X (DVD) Buffer Size: 2MB / Reads CD and DVD media