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
2.5g/1g 4 Port Pcie Rj45 Lan 10/100/1000/ 2500mbps Realtek Chip Quad Server Network Card 2.5 Gigabit Ethernet Wired Game Nic - Network Cards - AliExpress
StarTech.com 4 Port PCIe Network Card - Standard Profile NIC - RJ45 Port - ST1000SPEX43 - Ethernet Adapters - CDW.com