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  • Welcome to Nintendo Support

    Get support for your Nintendo systems, software and services

    How do I see how many blocks are on an SD Card?

    Each save block on the Nintendo DSi takes up 128KB of data. The amount of space available on a card will vary depending on the size and on files already stored on the card. For example, a 1GB card should have a little over 8,000 blocks available, but there may already be some files stored on the card.