Chuwi has brought a new mini-PC to market, albeit one that relies on an older AMD Ryzen APU. The LarkBox X has plenty of ports, upgradeable memory and is available for US$399. The mini-PC comes with RAM, an SSD, and a Windows 10 Home licence pre-installed too.
https://www.notebookcheck.net/Chuwi-LarkBox-X-launches-for-US-399-with-an-AMD-Ryzen-7-3700U-APU.598290.0.html