This is a Nintendo GameCube memory card, official Nintendo brand, 59 blocks, and the standard gray color. Since it's official Nintendo, you can use it with confidence. It can also be used without issue on the Wii when playing GameCube software. I have tested it on my own GameCube and deleted the data, so you can use it immediately upon arrival. Please be aware that there may be some minor scratches and signs of use. It will be shipped via Yu-Yu Mercari service, which is anonymous and includes a tracking number. If you are paying via convenience store payment, please let me know the payment date and time before or after your purchase. If you have no questions when purchasing, you do not need to leave a comment, so please purchase as is. I will handle the transaction with sincerity and will provide thorough support until the end. Thank you very much! (^-^) #GC #GameCube #Wii #MemoryCard #Nintendo #Nintendo