Add two 10GbE SPF+ slots to server or workstation for fast high-bandwidth connectivity 2-port 10G fiber network card with open SFP+ PCIe x2 10G NIC with Intel 82599 chipset 10Gb fiber Ethernet adapter with Intel Virtualization Technology for connectivity Cost-effective fiber network card supports data transfers at up to 10Gbps per port (up to 20Gbps per port in full-duplex mode).CONNECTIVITY TOOLS: Provided with this device, the application improves performance and security, featuring MAC Address Changer & Wi-Fi Auto Switch utilities