TP-Link 10/100/1000Mbps Gigabit PCI Network Adapter/Card, Includes Low-profile Bracket (TG-3269) Standards: IEEE 802.3, 802.3u, 802.3ab, 802.3x, 802.1q, 802.1p, CSMA/CD, TCP/IP, PCI Revision 2.1/2.2 Speed: 10/ 100/ 1000Mbps Connectors: 1 x RJ45 LEDs: 1000Mbps Link/Act, 100Mbps Link/Act, 10 Link/Act, Duplex BUS: 32-bit PCI