DELL    P/N:PA-9E

REF.NO:ADP-240ABC

MODEL:GA240PE1-00

INPUT:100-240V~3.5A     50-60HZ

OUTPUT:19.5V--12.3A

Rating:240W

connector:7.4mm*5.0mm

100% compatible:M17 series R2  R3   R4   R5  also compatible M11  M13  M15

           17 inch ALienware