AddOn 10/100/1000Mbs Single RJ-45 Port 100m PCIe 2.0 x1 Network Interface Card - INDUSTRY STD 10/100/1000MBS 1X RJ-45 NETWORK INTERFACE CARD - ADD-PCIE-1RJ45-2P1
1 open RJ-45 port to suit your needs
Application and environment tested and guaranteed to work