GMKtec is now selling the NucBox K4 globally. The GMKtec NucBox K4 comes with the AMD Ryzen 9 7940HS and Radeon 780M, supports DDR5 RAM and has an M.2 2280 slot for PCIe 4.0 storage. The mini-PC starts at US$519 as a barebones unit or US$689 as a pre-configured unit.https://www.notebookcheck.net/GMKtec-NucBox-K4-available-globally-with-powerful-AMD-Phoenix-HS-APU-from-US-519.728905.0.html
DDR5 RAM is not cooled with active airflow... good luck with that.
It'll be plagued with stability problems like the Minisforum UM690 did. Good thing they learned from past errors and did a good job with the UM790.