The TN-64 Tomee 256KB Memory Card allows you to save your progress in any compatible N64 game. Sliding perfectly into the rear slot of your controller, the N64 Memory Pak can store up to 256kb (or 123 pages) of saved data. Any saved game data can be uploaded to any other N64 system at a later time. This Memory Card has a 256kb (123 pages) capacity memory chip from a leading chip manufacturer and is compatible with any region of the N64 console. Simply insert the memory card into the back of your N64 controller to start saving.