Intel Gigabit ET Dual Port Server Adapter - network adapter - PCIe 2.0 x4 - Gigabit Ethernet x 2
Intel X540-T2 Ethernet 10GB Converged Dual Port Network Adapter
Amazon.com: 10Gb PCI-E X8 Ethernet Converged Network Card Compatible for Intel X540-T2, Dual Copper RJ45 Port with Intel X540 Chipset, Ethernet LAN Adapter Support Windows Server/Windows/Linux/ESX/Vmware : Electronics