TRENDnet 2.5GBase-T PCIe Network Adapter, TEG-25GECTX, Converts a PCle Slot into a 2.5G Ethernet Port, 802.1Q VLAN Tagging, Standard & Low-Profile.

2.5GB ETHERNET PORT: 2.5G network adapter supports three speeds: 2.5Gbps, 1Gbps, and 100Mbps over standard Cat5e cables at distances up to 100m (328 ft.) PCIe to 2.5G: This 2.5GBASE-T PCIe Network Adapter converts a PCIe slot into a 2.5G Ethernet Port