The upcoming Tiger Canyon NUCs come in tall and slim variants with i3, i5, and i7 CPU options, and highlights include support for up to 64 GB of DDR4-3200 RAM, PCIe 4 NVMe SSDs, dual Thunderbolt 4 connectors and one HDMI 2.1 video out.
https://www.notebookcheck.net/Intel-plans-to-release-Tiger-Lake-powered-NUCs-codenamed-Tiger-Canyon.495232.0.html