2.5 Gigabit Ethernet PCI Express PCI-E Network Controller Card 10/100/1000/25000 Mbps RJ45 LAN Adapter Converter for Desktop PC - Newegg.com
Desktop PC 2.5Gbps LAN Card RJ45 Wire Gigabit Ethernet PCI-e X1 Network Adapter | eBay
TP-Link TG-3468 PCI-Express Network Adapter (with Normal and Low Profile Bracket) - Newegg.com
Pci Express Network Card Pci-e 1x Gigabit 2 Port Rj45 Server Network Lan Adapter Card 10/100/1000mbps Ethernet Controller For Pc - Network Cards - AliExpress
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: Dual-Port PCIe Gigabit Network Card 1000M PCI Express Ethernet Adapter with Intel 82575/82576 Two Ports LAN NIC Card for Support PXE for Windows/Windows Server/Linux/Freebsd/DOS with Low Profile : Electronics
EDUP Gigabit Ethernet PCI Express PCI-E Network Card 10/100/1000Mbps RJ45 LAN Adapter Converter for Desktop PC - Newegg.com