Power-up your notebook with the Dell Alienware M18x 330w AC Adapter. This charger with power cord makes a useful replacement for your laptop in case the original one goes bad. It is also ideal for on-the-go professionals who needs one for work or travel and one for home use. This aftermarket laptop charger is compatible with Dell Alienware models M18x and M18x R2 laptops and replaces the XM3C3 and DA330PM111 part numbers. It is also compatible with the charger model ADP-330AB.