How do I find the maximum RAM per slot for my motherboard?

Check your motherboard’s manual or spec sheet on the manufacturer’s site by searching “[your motherboard model] specifications.” Look for “Maximum memory per slot” or “Memory type” details. The per-slot limit is usually the same for all slots and is often set by the CPU’s memory controller, but older DDR3-era boards may cap each slot at 8GB or 16GB. Don’t guess—buying a 32GB stick for a board that only takes 16GB per slot is a waste of money.