Thunderbolt 3 Dual PCIe Expansion Box

Mini PCIe to PCI Express 16X Riser for Laptop External Graphics external pcie slot Echo II DV Desktop NEW Desktop 2-slot, dual-Thunderbolt interface to PCIe card expansion system For computers with Thunderbolt 4 or Thunderbolt 3 ports external gpu slot Mostly doing some theory crafting here but I wonder if people have any good ideas for external pcie housing ? I found this on AliExpress

situs filipina slot  a PoE HAT for the Raspberry Pi 5 single board computer with mini-PCIe slot external devices through a 5V output pin For