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
Intel® Ethernet Converged Network Adapter X540-T2 - Arihant Info Solutions
LENOVO 00D1994 - Intel X540 ML2 Dual Port 10GbaseT Adapter