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 resolution" option, increasing the screen resolution from 320 by 240 pixels to as much as 640 X 480 pixels, creating a crisp, high definition graphics. The Nintendo 64 RAM expander utilized Nintendo  64's capabilty for 32-bit, 16.7 million color display with 256 levels of transparency (alpha) bringing your games to a new level of realism. Instead of reusing texture data, games can buffer a larger number of textures for a more distinct look.