My first PC build for ArchViz

How much RAM can that mobo hold? Don’t waste DIMM slots with 8GB DIMMS, I’d say go for at least 32 GB RAM, but if you only have 4 DIMM slots you want to be able to upgrade to 64 GB, so that means using 16 GB DIMMS, only if you have 8 DIMM slots can you use the 8GB ones.