Ethernet / LAN - Dell 5430 Rugged
The Dell Latitude 5430 Rugged has a built-in Gigabit Ethernet (RJ-45) port on the back, using the Intel i219-LM controller (10/100/1000 Mbps).
A second Gigabit Ethernet port is available through the configurable rear I/O bay. See Integrated Interfaces - Dell 5430 Rugged.