PCIe 10 Gigabit Ethernet Dual RJ45 Port Network Interface Card, PCI Express x8 Intel X540 Chipset Server Network Adapter
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StarTech.com USB 3.0 to Gigabit Ethernet NIC Network Adapter 10/ 100/ 1000 - USB31000S - Ethernet Adapters - CDW.com
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StarTech.com 4-Port PCI Express Gigabit Network Adapter Card - Quad-Port PCIe Gigabit NIC - Add four Gigabit Ethernet ports to a client, server or workstation through one PCI Express slot - 4-Port
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
Black Box LH1690C-LC-R3 Interface Adapter | Free Shipping
Amazon.com: StarTech.com USB 3.0 to Gigabit Ethernet Adapter for Windows and Mac - 10/100/1000 NIC Network Converter - USB to RJ45 Gb Network Adapter for Laptop and Desktop Computers - USB Bus
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Intel X540-T2 Dual Port RJ45 10GbE NIC Adapter - Yottamark High & Low Profile 603149403406 | eBay
2-port StarTech.com Dual Port PCI Express Gigabit Ethernet Network Card Adapter - 2 Port PCIe NIC 10/100/100 Server A... | Dell USA
Amazon.com: StarTech.com Dual Port 10G PCIe Network Adapter Card - Intel-X550AT 10GBASE-T & NBASE-T PCI Express Network Interface Adapter 10/5/2.5/1GbE Multi Gigabit Ethernet 5 Speed NIC LAN Card (ST10GPEXNDPI) : Electronics