240W 19.5V 12.3A Power AC Adapter PA-9E for DELL Alienware M17x, M17x R4, M18x, M18x R2, Precision M6500, M6600, M6800 240W AC Adapter PA-9E, FWCRC, U896K, 450-18931, Y047M

Used for a year, still works well.