GitHub - TallGuy74/r8125: Linux device driver for Realtek R8125 and Killer Networks Ethernet E3000 (unofficial mirror of https://www.realtek.com/en/component/zoo/category/network-interface-controllers-10-100-1000m-gigabit-ethernet-pci-express-software)
100M/1000M/2.5G NIC Network Card, Quad RJ-45 Port, with Realtek RTL8125BG controller, support Windows/ Windows Server/Linux/Ubuntu/Centos/Vmware
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SOLVED> Installing Realtek ethernet driver - Linux Mint Forums
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Realtek rtl8125) 2.5GBe ethernet not working on AMD B550 mobo - Support & Help Requests - Ubuntu MATE Community
Lemspum 1G/2.5G PCI Express Network Adapter RTL8125,Single JR45 Port, 2500/1000/100Mbps Ethernet LAN Card NIC Support Windows/Linux/MAC for Host Server/PC Game : Amazon.ca: Electronics