The nintendo 64 ram expander allows the random access memory ram of the nintendo 64 console to increase from 4 megabytest mb to 8mb of contiguous main memory with the help of the included key the nintendo 64 ram expander fits into the slot that is below a removable panel on the top of the n64 console game developers can take advantage of the increased memory in serveral ways including making games that are more visually appealing some games will allow players to choose a high resolutio