Advice building a NAS/AI server with 16 DDR4 DIMMs

I have a large amount of surplused parts (notably 2x Xeon Gold 6136 CPUs, 24x64gb DDR4 LRDIMMs) that I'm trying to save money by reusing. The memory is obviously far of a potential cost savings than the CPUs. I'm trying to figure out if there is a plausible path to building a workstation / server class system that can mount 16x of those DIMMs (ie 1tb of RAM), with space for 6+ 3.5" HDDs for