The Commell LE-37O is a single-board computer based on Intel's Tiger Lake-U architecture. The device has a SO-DIMM slot, numerous USB ports and even supports 2.5 GBit/s Ethernet. PCIe Gen4 support is on board, too.
https://www.notebookcheck.net/LE-37O-An-Intel-Tiger-Lake-U-powered-single-board-computer-with-PCIe-Gen4-support-2-5-GBit-s-Ethernet-and-up-to-32-GB-of-RAM.549578.0.html