exFAT vs. FAT32 Comparison

Feature

FAT32

exFAT

Maximum Volume Size

8 TB*

128 PB

Maximum File Size

4 GB

16 EB

Maximum Cluster Size

32 KB **

32 MB

Maximum Cluster Count

228

232

Maximum File Name Length

255

255

Date/Time resolution

2 s

10 ms

MBR Partition Type Identifier

0x0B, 0x0C

0x07

* Windows cannot format FAT32 volumes bigger than 32GB, though itsupports larger volumes created by third party implementations; 16 TB is the maximum volume size if formatted with 64KB cluster

** According to Microsoft KB184006 clusters cannot be 64KB or larger, though some third party implementations support up to 64KB.

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