exFAT
exFAT (Extended File Allocation Table) is a file system suited especially for flash drives introduced with Windows Embedded 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 Exabytes), 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
- support for more than 1000 files in a single directory
- support for access control lists
- support for () (optionally WinCE activated function)
Windows Vista Service Pack 1 adds support for exFAT.[1]
References
External links
- Personal Storage: Opportunities and challenges for pocket-sized storage devices in the Windows world (Microsoft PowerPoint presentation)
- TFAT Overview
- Extended FAT File System