2-Port Gigabit PCIe SFP Network Card 1000M Dual Ports PCI Express Ethernet Adapter with Intel 82571EB LAN NIC Card for Support PXE for Windows/Windows Server/Linux with Low Profile - Newegg.com
Amazon.com: 8Gbit SFP PCIE Adapter Card, Two SFP Ports, 8Gbit/s Data Transmission, Fiber Channel Technology, High Stability, PCB Material for Data Transmission : Electronics
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
1Gbs Single Open SFP Port 550m MMF PCIe 2.0 x4 Network Interface Card w/1000Base-SX SFP Transceiver | Your Fiber Optic Solution | Proline
PCIe X1 Fiber Port 1G SFP Network Adapter 1000M SFP Lan card BCM5720 Chipset | eBay
Sonnet Solo 10G SFP+ PCIe - Tarjeta de red PCIe 10GbE SFP+ - Avacab