AsRock Rack W680D4ID-2T/G5/X550 Deep Mini-ITX Server Motherboard Single Socket 12th & 13th Gen Intel® Core™ series processors (LGA 1700) W680 Dual 10G Lan PCIe 5.0 Server Motherboards - Newegg.com
Build log: Mini ITX 3600 with ECC RAM and a pile of storage - Build Logs - Level1Techs Forums
16G DDR4 ECC SODIMM 2666 Memory for ASRock Rack EPC612D4I Mini ITX Server | eBay