but differ in how they store and address data. This includes a redefinition of the Card-Specific Data (CSD) register (for details, see § Storage capacity calculations). Additionally, SDHC cards are typically preformatted with the FAT32 file system.

SDHC-compatible devices are required to support older SDSC cards. However, older SDSC devices may not recognize SDHC cards without a firmware update. Older operating systems like Windows XP require patches or service packs to access SDHC cards.

SDXC

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