Single 2.5G 4-Speed Multi-Gigabit Ethernet PCIe Card
Amazon.com: MokerLink 5 Port 2.5G Ethernet Switch, 5 x 2.5GBASE-T Ports, Compatible with 10/100/1000Mbps, Metal Unmanaged Fanless Network Switch : Electronics
Is this 2.5G port for an Ethernet cable? Do I need to remove that silver clip thing? : r/PcBuildHelp
100M/1G/2.5G/5G/10GBase-T to 10GBase-X SFP+ Unmanaged Fiber Media Converter - FS.com
Multi-Gig Ethernet: What is it, and how to set it up at home | TP-Link
2.5Gb - Ethernet Cables - Cables - The Home Depot
Amazon.com: Cable Matters USB C to 2.5 Gigabit Ethernet Adapter, USB to 2.5 Gigabit Ethernet Adapter, Not Compatible with M2 Macs (2.5g Ethernet to USB, 2.5gbps Ethernet Port) -Compatible with Thunderbolt 4
RB10-402S-PSE 4x 100M/1G/2.5G Ethernet port switch + 2x 1G/10G SFP+ uplink slots, high power PoE+ 65W budget