10 Gigabit Ethernet PCI Express Server Adapter - EDIMAX
Amazon.com: 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
Cheapest 10gb 1 Port PCI Express network cards (NIC) RJ45 inc. Low profile – NAS Compares
Sonnet 1-Port Solo 10G Ethernet PCI Express 3.0 Card G10E-1-XE3
Amazon.com: 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
Amazon.com: 10Gb Dual LAN SFP PCI-e Network Card, Intel 82599(X520-DA2) Controller, NICGIGA 10Gbps Ethernet Adapter, 2 * 10Gbe SFP Port, 10G NIC Card, Support Windows/Windows Server/Linux/VMware : Electronics