Or buy 2 cards for a few hundred to support upto 4 to 8 monitors with at least 4 in 4K instead of relying on the embedded GPU Holiday time is the right time .. and do consider 4K TVs with fast response like TCl which are very cheap for at least your main For eg: I could do 1 4K large TV with 4 2k monitors on the sides Note: I have 1 4K Tv with 2 1080p monitors on the sides and 1 decent graphics card
"The beauty of Ryzen Embedded is definitely four independent 4K displays. Ryzen Embedded brings together the performance of the AMD Zen CPU and Vega GPU architectures in a 14nm FinFET SoC. Special thanks to Tranquil PC for sending the pictures." That's very cool setup on the link in the OP and for peanuts.