Information About

Exfat




exFAT (Extended File Allocation Table) is a File System suited especially for Flash Drive s introduced with Windows CE 6.0 . exFAT is used where the NTFS file system is not a feasible solution, due to data structures overhead.

The advantages over existing File Allocation Table versions include:
  • theoretical file size limit of 264 bytes (16 Exabyte s), limit lifted from 232 bytes (4 Gigabytes )

  • cluster size of up to 2255 bytes, implementation limit of 32MB

  • free space allocation performance improved due to introduction of a free space bitmap

  • support for more than 1000 files in a single directory

  • support for Access Control Lists

  • support for transactions (optional functionality, implementation at device manufacturer's discretion)




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