Chipset:RTL8125 Interfaces:One 100/1000/2.5GBase-T port with RJ-45 Installation Slot:PCI Express x1 LEDs:Link/Activity/Speed Network Cables:Ethernet:UTP cat.3 or above (100 m max.)Fast Ethernet/Gigabit Ethernet/2.5 Gigabit Ethernet:UTP cat. 5 or above (100 m max.)