Dell GA240PE1-00 - 240W 19.5V 12.3A 5.0mm Smart Tip AC Adapter Charger for Alienware x15 R1 M15 M17x M18x Precision M6600 M6700 M6800 - CPU Medics
19.5V 12.3A 240W 7.4 X 5.0mm PA-9E Family Laptop Adapter Compatible with Dell Alienware M17X 0J938H ADP-240AB D FWCRC J938H GA240PE1-00 AC Power Supply - Newegg.com