However, I shot a continuous video about an hour long, and the camera stored the video on the memoy card as 4 individual files, 3 of them a hair over 4 GB, and the last one a bit under 4 GB. The 4 GB barrier is a hard limit of FAT: the file system uses a 32-bit field to store the file size in bytes, and 2^32 bytes = 4 GiB (actually, the real limit is 4 GiB minus one byte, or 4 294 967 295 bytes, because you can have files of zero length). The specifications, features, and requirements of the exFAT file system include: File size limit of 16 exbibytes (2 64 −1 bytes, or about 10 19 bytes, which is otherwise limited by a maximum volume size of 128 PiB, or 2 57 −1 bytes), raised from 4 GiB (2 32 −1 bytes) in a standard FAT32 file system. The exFAT file system uses 64 bits to describe file size, thereby enabling applications which depend on very large files. To make sense of why MS would cut off the use of exFAT for internal hard drives, it has to be understood that exFAT still doesn't have a final specification. exFAT - the Next-generation File System. Windows 7 and Mac OS 10.6.6 and higher are compatible with exFAT out of the box. Photographers, videographers, and other creators often run into the limits of conventional FAT32-based storage. Natively, you cannot store files larger than 4 GB on a FAT file system. Formatting a volume from Windows Explorer when the Allocation Unit box in the Format dialog box lists Default Allocation Size. The whole purpose of exFAT was to allow easy transfer of large files between platforms in a format that didn't require third party drivers on either the Mac or Windows to read the drive. Incorporate extensibility for future innovation. SOLUTION 1 - Format in exFAT exFAT file system that allows a single file larger than 4GB to be stored on the device. exFAT is compatible with a lot of different devices and operating systems. The exFAT file system also allows for clusters as large as 32MB, effectively enabling very large storage devices. By default, the maximum cluster size for NTFS under Windows NT 4.0 and later versions of Windows is 4 kilobytes (KB). By widely used I mean supported by different operating systems. This is because NTFS file compression is not possible on drives that have a larger cluster size. If you only intend to use the drive with your PC, then either of these systems should work just fine. exFAT is an extension of FAT32, and is probably not as widely used as NTFS and is certainly less widely used than FAT32. If you’re curious, the file size limit is 16 exbibytes, but that’s more than the maximum partition dimensions, so the real size limit for a file stored on exFAT is the same as the limit size of the partition: 128 pebibytes. The maximum theoretical limit on the size of an individual file is 16 EiB minus 1 KB. One way to solve the FAT32 file size limit is not to use the FAT32 file system at all: there are more recent systems to replace it, such as exFAT or NTFS. There is no realistic file-size or partition size limits. With the potential of 4K video files to exceed hundreds of gigabytes, FAT32's 4GB single file limit makes it ill-suited for high-resolution media files. The memory card in it is formatted as exFAT, which supports file sizes greater than 4 GB. Older operating systems may need a patch installed for exFAT compatibility. This file system is also compatible with Mac. NTFS File Size. 64 bits to describe file size, thereby enabling applications which depend on very storage. 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