2. Find Out if You Can Upgrade. Unfortunately many laptops have sealed bottoms or memory that’s soldered onto the motherboard, both situations which prevent you from upgrade the RAM. Crucial also lists memory modules you can buy for your laptop.
Consequently, how much does RAM for a computer cost?
So make sure to note down th model number of your current RAM before purchasing the new 4GB. RAM goes for less than 10$ per GB, so 4 GB will end up costing you somewhere in the region of $40, and 8GB will cost about $75.