This is a brand new genuine Dell OEM original PA-2E Family AC Power Adapter (Laptop Charger) with 3 prong power cord. Guaranteed Compatible Dell Laptops: - Alienware: M11x -Inspiron: M5030, N5030, N4020, 1120 (M101z), 1122, (M102z), N5050, 14z (N411z), N311z, N5040, M5040, 1121, N4050, M4040, 14z (5423), 13z (5323), 11z (1110) -Latitude: E4310, E5510, 2110, E5410, 13, XFR XT2, E6320, 2120, E6220, XT3, E5530, E6330, E6230, E5430, E6530, E6430, E6430s, E6410, XT, XT2, E4200, E4300, 2100 -XPS: 14z (L411Z), 14z (L412Z) -Vostro: 1088, 1014, 1015, V13, V130, V131, 1550, 1540, 1450, 1440 -Studio: 1440