For the other end of the wire, sometimes you can find NetFPGA academic research devices on eBay. The project has been running for 15 years, with 5 generations o

For the other end of the wire, sometimes you can find NetFPGA academic research devices on eBay. The project has been running for 15 years, with 5 generations of NICs, https://netfpga.org/ https://netfpga.org/ > A line-rate, flexible, and open platform for research, and classroom experimentation. More than 3,500 NetFPGA systems have been deployed at over 300 institutions in over 60 countries around the world.