Ports Spec: Front Ports:
Power Button
1 x USB-A Quick Charge Port
1 x USB-A 3.1 Gen1 Port
1 x USB-C 3.1 Gen1 Port
1 x 3.5mm Audio/Microphone Combo Jack
Back Ports:
DC 20V/6A Power Supply Port
3 x USB-A 3.1 Gen1 Ports
1 x USB-C Power Delivery Port (No Data)
Kensington™ Security Lock Slot
1 x DisplayPort Port (DisplayLink)
1 x HDMI Port (DisplayLink)
1 x HDMI Port (DP Alt Mode)
Gigabit Ethernet Port
Ports Spec: 1 x Monitor/Video Port (15 pin D-Sub)
1 x 10/100 Base-T Ethernet (RJ-45) Jack
1 x Serial Port
1 x Stereo Audio-Out Jack (3.5 mm for speakers or headphone)
1 x Mono Audio-In Jack (3.5mm for microphone)
4 x Hi-Speed USB 2.0 Ports (two Power Ports and two standard USB ports both are backward compatible with USB 1.1 devices and support transfers up to 480Mbps)
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