Windows limiti del file system

FAT
FAT, for File Allocation Table, is the successor to the original FAT12 filesystem that shipped with MS-DOS many, many years ago.
Maximum disk size: 4 gigabytes
Maximum file size: 4 gigabytes
Maximum number of files on disk: 65,517
Maximum number of files in a single folder: 512 (if I recall correctly, the root folder "/" had a lower limit of 128).

FAT32
"There's no practical limit on the combined sizes of all the files in a folder, though there may be limits on the number of files in a folder."
FAT32 was introduced to overcome some of the limitations of FAT16.
Maximum disk size: 2 terabytes
Maximum file size: 4 gigabytes
Maximum number of files on disk: 268,435,437
Maximum number of files in a single folder: 65,534

NTFS
NTFS, or "New Technology File System" introduced with Windows NT, is a completely redesigned file system.
Maximum disk size: 256 terabytes
Maximum file size: 256 terabytes
Maximum number of files on disk: 4,294,967,295
Maximum number of files in a single folder: 4,294,967,295