Quad Port 10/100/1000Mbps Gigabit PCI-E NIC Network Card for PC, RTL8111H Chip, PCI-Express 2.0 X1, RJ45 LAN Port
Amazon.com: OKN 2.5GBase-T PCIe Network Adapter RJ45 LAN Controller up to 2500 Mbps PCI Express Gigabit Ethernet Card with Standard and Low-Profile Brackets Support Windows and Windows Server : Electronics