Standards and Protocols: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3bz, IEEE802.3an, IEEE802.3az, IEEE 802.3x, Interface: 1× PCI Express 3.0 x4, 1× RJ45 Gigabit/Megabit Port, Network Media: 10GBASE-T/5GBASE-T/2.5GBASE-T/1000BASE-T/100BASE-TX, LED: 10 Gbps Link/Act, 5 / 2.5 / 1 Gbps and 100 Mbps Link/Act, Data Rates: 100 Mbps, 1 Gbps, 2.5 Gbps, 5 Gbps, 10 Gbps for Half-Duplex mode, 200 Mbps, 2 Gbps, 5 Gbps, 10 Gbps, 20 Gbps for Full-Duplex mode, Dimensions: 120.8 × 98.2 × 21.5 mm (4.8 × 3.9 × 0.8 in), Flow Control: 802.3x, Certification: FCC, CE, RoHS.