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HP A6847A 1000 Base-SX Gigabit PCI Ethernet Adapter
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2 Rj45 Port Mini Pci Express Wired Dual Gigabit Ethernet Adapter Chip Realtek Rtl8111f Mini Pcie Server Internal 10/100/1000mbps - Network Cards - AliExpress
EDUP Gigabit Ethernet PCI Express PCI-E Network Card 10/100/1000Mbps RJ45 LAN Adapter Converter for Desktop PC - Walmart.com
PCI Gigabit Ethernet Network Card Intel 82540 LAN Card 1000M RJ45 Disk – RIITOP
StarTech.com PCI EN Fast EN Ethernet Network Adapter Card - Office Depot
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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