Plugable USB-A and C to 2.5 Gigabit Ethernet Adapter USBC-E2500
Everything you should know about 2.5 Gigabit Ethernet (2.5GbE) | V-SOL
Amazon.com: Alxum 2.5 Gigabit Ethernet Adapter, 2.5 Gigabit Network Adapter with RTL8156B up to 2.5G 2500Mpbs, Backward Compatible on 1Gbps/100Mbps, Aluminum Case : Electronics
Amazon.com: 2.5GBase-T PCIe Network Adapter with 1 Port, 2500/1000/100Mbps PCI Express Gigabit Ethernet Card RJ45 LAN Controller Support Windows Server/Windows/Linux, Standard and Low-Profile Brackets Included : Electronics
Plugable 2.5G USB-C and USB to Ethernet Adapter – Plugable Technologies