Single Port 5Gbps PCIe Network Card 1, This Single port 5Gbps PCIe network card adds one copper Ethernet port to your Server or Desktop computer and provides Multi-Gigabit Ethernet access to your network at five speeds: 5Gbps, 2.5bps, 1G, 100Mbps and 10Mbps. 2, The 5Gbase-T solution provides additional bandwidth using your existing ethernet infrastructure to help reduce the cost cabling upgrades. The card enables you to connect to 5Gbase-T and NBASE-T equipment at network speeds of 10Mbps, 100Mbps, 1Gbps, 2.5Gbps and 5Gbps over your CAT5e cabling (up to 100M depending on the network configuration) 3, The Realtek RTL8126 chipset, compliant with IEEE 802.3az and IEEE 802.3u supports the PCIe 3.1 interface. It provides up to a 500% increase in data rate and requires no changes to existing cable infrastructure. Features Multi-Gigabit Ethernet connectivity with four network speeds: 5G, 2.5G, 1G, 100Mbps, 10Mbps Compatible with both 5GBASE-T and NBASE-T specifications Support