Startech .com Mini PCI Express Gigabit Ethernet Network Adapter NIC CardAdd a Gigabit RJ45 port through a Mini PCI Express slotmini pci... ST1000SMPEX - Corporate Armor
Quad-Port 2.5GBase-T PCIe Network Adapter RTL8125B 2500/1000/100Mbps PCI Express Gigabit Ethernet Card RJ45 LAN Controller Support PXE for Windows/Linux/MAC with Low Profile Network Interface Cards - Newegg.com
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