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 5Gbps network speed on CAT5e and CAT6a cabling Fully Compliant with IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3az and IEEE 802.3bz standards Supports IEEE 802.1Q VLAN tagging, and IEEE 802.3x Fully Duplex Flow Control Supports IEEE 802.1ad Double VLAN Full and half duplex support PXE network boot support Transmit/Receive on-chip buffer support Jumbo frame supports up to 16Kbytes Wake-on-LAN WOL support Complies with Microsoft and Linux platforms