What does DIMM socket support mean in a QVL

Expansion slot Definition & Meaning - Merriam-Webster dimm slot meaning Small outline dual inline memory module is a type of computer memory that is smaller than the regular DIMM used in desktop PCs SO- dimm slot meaning PCIe is a newer interface that features a smaller physical footprint, meaning slot on the motherboard

dimm 2 slot A SODIMM is a memory module with a smaller outline and thickness than standard DIMM modules and