One thing to keep in mind was that there was a DDR5 shortage when Alder Lake launched on top of being hugely expensive and DDR4 boards weren't all that available either.
https://www.extremetech.com/computing/329987-micron-confirms-ddr5-memory-shortages
PC Specs: CPU: 7800X3D || GPU: Strix 4090 || RAM: 32GB DDR5 6000 || Main SSD: WD 2TB SN850