What does DIMM socket support mean in a QVL

With one DIMM you have a single chip with all your memory on it 2 DIMM has the same amount split between two chips You have two slots total

meaning the crappiest possible Compare a PC notebook with

dimm2 slot It is also known as a random-access memory slot or dual in-line memory module slot How does a memory slot work? When you insert a memory module

dimm slot My motherboard has four DIMM slots for RAM They look identical except 1 & 3