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Which file system to choose for a RAM disk

Our RAM Disk app supports creating RAM disks formatted in the following file systems:

  • FAT
  • FAT32
  • NTFS
  • exFAT

FAT and FAT32 file systems are older and have severe restrictions on the maximum disk and file sizes. Do not use them unless you have specific reasons to do so.

NTFS and exFAT are more modern and can be used for disks and files of any size. Generally, NTFS is more advanced as it supports file compression, symbolic links, quotas and transacted operations. On the other hand, exFAT is more lightweight, and since it doesn't have the NTFS overhead, it has 10-20% better performance with RAM disks.

If your software only supports NTFS, or if you require file compression and symbolic links, choose NTFS. If performance is more important, choose exFAT.

Article details

Article ID: 38

Category: RAM Disk: technical questions and how-to

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