The motherboard and processor architecture determine the maximum amount of memory that each laptop model is capable of supporting. Usually, the user manual or specifications provided by the manufacturer contain jackpotgt slotsthis information. The Memory Advisor Tool from Crucial is another online resource that lets users enter the model of their laptop and get comprehensive information about maximum capacities and compatible memory upgrades. Knowing the maximum RAM capacity is essential because adding more memory than your laptop can support will not only be inefficient but may also cause the system to become unstable or fail to boot up.