The 4x4-V2000 single-board computer has not yet been officially announced by ASRock, but it appears to be powered by an AMD Ryzen 5 4600U APU coupled with 16 GB of DDR4 RAM. This new version seems like a solid upgrade over the older V1000 model powered by a Ryzen Embedded V1650B processor.
https://www.notebookcheck.net/ASRock-mini-PC-with-Ryzen-5-4600U-Renoir-APU-spotted-in-SiSoft-Sandra-database.482576.0.html