64GB It tells you in the listing. You just have to scroll down a bit and read it. Our Galaxy A12 has 4GB of RAM. We hope this helps! ^LP at Samsung Support 4gb RAM 4GB it's awesome ?####[['4gb RAM', 'Product Configuration#Operating Memory', 'positive'], ['64GB', 'Product Configuration#Memory', 'neutral'], ['4GB of RAM', 'Product Configuration#Operating Memory', 'neutral']]