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WGI210 PCI-E X1 Gigabit Network Card Single Port SFP Server Network Card I210-F1 Gigabit Fiber Optic Network Card - Walmart.com
Delock Products 90480 Delock PCI Express x4 Card 2 x SFP Gigabit LAN i82576
Amazon.com: 10Gb PCI-E NIC Network Card, Single SFP+ Port, with Intel 82599EN Controller, PCI Express Ethernet LAN Adapter Support Windows Server/Linux/VMware, Compare to Intel X520-DA1(Intel E10G42BTDA) : Electronics
PCI-E Fiber Port 1G SFP Network Adapter 1000M SFP server Fiber Lan card | eBay
MINI Pci-e to Dual port Gigabit Ethernet 1000M SFP fiber Server network card | eBay