Genuine Dell Slimline Slim CD/RW DVD/RW CD/DVD &plusmn; RW SATA Burner Internal Optical Drive For Latitude E4200, E4210, E4300, E4310, E5410, E5500, E5510, E6400, E6410, E6500, E6510, XT2, Z600, and Precision Mobile WorkStation M2400, M4400 Systems. Compatible Part Numbers: XX243, N245K, DU-8A2S, F040J, V42F8 Guaranteed Dell Genuine Part Number: XX243 / Model: DU-8A2S Type: DVD-RW Drive Compatible Model: Dell Latitude E6400 E6410 E6500 E6510 Precision M2400 M4400 M4500 **Ship within 24 hours except holidays and weekends**