Compared to the previous AMD-based mini PC barebones, the new DesktopMini Max from ASRock is considerably larger and allows users to install liquid coolers and larger dGPUs. The included AM4 motherboard supports AMD Ryzen 5000 all the way down to Ryzen 2000 processors that can be coupled with up to 128 GB of DDR4-3200 RAM.
https://www.notebookcheck.net/ASRock-announces-DeskMini-Max-barebone-mini-PC-system-supporting-liquid-cooling-and-AMD-Ryzen-5000-processors.547205.0.html