10G Network Adapter PCIe Card with Single RJ-45 Port PCI Express Gen-3 (or2) x4 Host Bus Interface 1x 10 Gbps RJ-45 Ethernet port (Supported Speeds: 10 Gbps / 5 Gbps / 2.5 Gbps / 1 Gbps / 100 Mbps) Pre-installed with full height bracket, also includes low profile bracket.