Amazon.com: Gigabit Ethernet PCI Express PCI-E Network Card 10/100/1000Mbps SFP LAN Adapter Converter, PCI Express LAN Adapter Support Windows Server/Windows, Linux : 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
Startech .com PCI Express 10 Gigabit Ethernet Fiber Network Card w/ Open SFP +PCIe x4 10Gb NIC SFP+ AdapterScale your network performanc... PEX10000SFP - Corporate Armor
StarTech.com PCI Express Gigabit Ethernet Fiber Network Card w/ Open SFP - PCIe SFP Network Card Adapter NIC - Connect a PCI Express-based desktop or rackmount PC directly to a fiber optic
StarTech.com PCI Express Gigabit Ethernet Fiber Network Card w/ Open SFP - PCIe SFP Network Card Adapter NIC - Walmart.com