Compatibility: This docking station is compatible with the following systems:
Latitude E5510, E5520, E6220, E6320
Precision M4400, M4500, M4700, M6400, M6500, M6600, M6700
Ports Spec: 1 x serial - RS-232 - 9 pin D-Sub (DB-9)
1 x parallel - 25 pin D-Sub (DB-25)
1 x keyboard - generic - 6 pin mini-DIN (PS/2 style)
2 x USB - 4 pin USB Type A
1 x network - RJ-45
1 x display / video - VGA - 15 pin HD D-Sub (HD-15)
2 x display / video - DVI-Digital - 24 pin digital DVI
2 x display / video - 20 pin DisplayPort
1 x mouse - generic - 6 pin mini-DIN (PS/2 style)
Audio
Ports Spec: Convenient eject button for one-step system removal USB Ports:
Port Replicator: 3x USB 2.0, 1x USB 3.0
Mini Dock: 5x USB 2.0, 1x USB 3.0
Mini Dock Plus (90W & 170W): 6x USB 2.0, 1x USB 3.0
Multiple video ports:
Port Replicator: 1x VGA
Mini Dock: 1x VGA, 1x DP
The video controller allows for any two video ports to be used simultaneously.