Dell Vostro 3300 Winery 13 Series SATA DVD RW Rewriter Laptop Optical Drive GU10N 77TRD 077TRD CN-077TRD.Model Number: GU10NDell Part Number: 77TRD 077TRD CN-077TRDCompatible Part Numbers: 6M.4EXDR.004Compatible Models: Dell Vostro 3300 Winery 13 Laptop Series