Dell E Port  for Select Dell Latitude E-Family Notebooks. Optimize your workspace by expanding your desktop with the Dell E/Port Replicator. 

Works with Dell: Latitude E4300, Latitude E5400, Latitude E5500, Latitude E6400 ATG, Latitude E6400/6400 ATG, Latitude E6500, Precision M2400, Precision M4400, Precision M6400

Specifications:
Device Type: Port replicator
Width: 8.3 in
Depth:7.1 in
Height: 2.8 in
Interfaces: 2 x USB - 4 pin USB Type A ¦ 1 x network - RJ-45 ¦ 1 x display / video - 15 pin HD D-Sub (HD-15) ¦ 1 x display / video - 24 pin digital DVI ¦ 1 x display / video - 20 pin DisplayPort ¦ Audio