Lenovo Rj45 Pcie (4XC0G88856), Gigabit Ethernet / 10Gb Ethernet x 2, Ethernet 100Base-TX, Ethernet 1000Base-T, Ethernet 10GBase-T, Network adapter, FF Plug-in card - low profile, PCI Express 3.0 x4, PCIe 3.0, 2 x 10GBase-T - RJ-45, 11.2 Watt. Axiom's 10GbE Copper Network Adapters are the latest generation of high-performance PCIe 3.0 x4 Lane 10 Gigabit NIC Cards, based on the Intel X550AT controller. The server adapter simplifies migration to 10 Gigabit Ethernet (GbE).