GameCube Memory Card 251 Set of 4 All 4 have been tested and confirmed to work, but due to the age of the devices, their complete functionality is not guaranteed. These memory cards can save 251 blocks of data. Data will be erased before shipping. There are scratches and scuffs from use, but they are fully functional. The terminals will be maintained with a contact restorer before shipping. Brand: Nintendo Product Contents For Nintendo GameCube Memory Card 251 Set of 4