Dell Notebook Power Adapter / Laptop Charger
Original Adapter with Octagon Plug
O.D.: 7.4 mm, Hole: 5.0 mm, with Center Pin
PNB-DELL-74OPS-xxx

Option (s):

• 19V 2.64A 50W
  PA-17 Family
  P/N: RF449
  Model: ADP-50HH
   

• 19.5V 3.34A 65W
  PA-21 Family
  P/N XK850
  Ref Number ADP-65AH B
  Model DN65NS4-00