Amazon.com: 10Gtek 10Gb PCI-E NIC Network Card, Dual Copper RJ45 Port, with Intel X540 Controller, PCI Express Ethernet LAN Adapter Support Windows Server/Windows/Linux/ESX, Compare to Intel X540-T2 : Electronics
StarTech.com Mini PCIe Card - Gigabit Ethernet Network Adapter (ST1000SMPEX)
Amazon.com: 10Gtek 10Gb PCI-E NIC Network Card, Single SFP+ Port, with Intel 82599EN Controller, Ethernet LAN Adapter Support Windows Server/Linux/VMware, Compare to Intel X520-DA1(Intel E10G42BTDA) : Electronics