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4 Port 2.5 Gigabit Ethernet PCIe x1 Network Card NIC Realtek RTL8125 Chipset | eBay
Pciex4 4 Ports Gigabit Ethernet Lan Card 1000mbps Nic Realtek Rtl8111h Chips Designed For Small Cases Of Lenovo M720q M920x P330 - Network Cards - AliExpress
sLIFE 4 Port Gigabit ethernet PCIe X1 NIC for Desktop PC/Server/Workstation(Realtek-8111H-T4)
4 Port 10G SFP+ Network Card Intel PCIe - Network Adapter Cards | StarTech.com Europe
Startech.com ST4000PEXPSE 4 Port Gigabit PoE (Power over Ethernet) Card - PCIe Network Card - PoE / PoE+ Up to 25W Per Port - PCIe NIC - Gigabit Ethernet Card (ST4000PEXPSE)
StarTech.com 4 Port PCIe Network Card - Standard Profile NIC - RJ45 Port - ST1000SPEX43 - Ethernet Adapters - CDW.com