What is the weakness of exFAT?
The filesystem's fast, lightweight, and low resource usage design is likely its biggest weakness, leading to potential data loss scenarios, especially when used as shared storage in mixed Apple Mac device and macOS environments.
Is there any reason not to use exFAT?
There is one big caveat for exFAT, and is the lack of journaling. When a change on the exFAT partition is done, like a file write, there is no registry of it. Any interruption, like an accidental cable trip, power loss or a system hang, will lead data corruption.
What is the problem with exFAT file system?
This is useful when data corruption occurs because the logs can be used to recover corrupted data. exFAT does not have this feature, which means that data can be more susceptible to corruption in the event of an unexpected shutdown or the inability to safely eject a removable drive formatted in this way.
Does exFAT affect performance?
When reading medium-sized files from a USB3 flash disk, the exFAT file system delivers up to 9% of performance improvements and the NTFS file system delivers up to 5% of performance improvements over the FAT32 file system.