Currently using these 2 to run 40GbE in my laptop. I'd like to find a bus powered version that's a bit more portable and convenient to move around, if it exists, now that I'm about to have a bunch more 40Gb ports around the house.
https://smile.amazon.com/gp/product/B01N21UTFN/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
https://smile.amazon.com/Node-Lite-Thunderbolt-Pcie-Expansion/dp/B074HGR7QN?sa-no-redirect=1
https://smile.amazon.com/gp/product/B01N21UTFN/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
https://smile.amazon.com/Node-Lite-Thunderbolt-Pcie-Expansion/dp/B074HGR7QN?sa-no-redirect=1