Compatible System: Dell-Latitude Laptop: - E4200 - E4300 Dell-Precision Mobile Workstation: - M6400 Dell-Studio Notebook: - XPS 16 (1640) Features: Mfgr's System P/N's: A2038272 (Dell); A2058521 (Dell); A2884835 (Dell); A3198148 (Dell); A3414617 (Dell); A3583288 (Dell); A3721488 (Dell); A3721489 (Dell); A3721509 (Dell); A3721510 (Dell); A3721516 (Dell); A3761099 (Dell); A3761100 (Dell); A3761102 (Dell) Parts: Lifetime limited Labor: Lifetime limited