If the file size 16kb and the cluster size is 128kb, then you loose space and will write fewer number of files, Ideally you want the written file size to maximise the use of the cluster size in order to get the most files with the greatest size saved on a disk space. However, a larger cluster size is a disadvantage if you are writing smaller file sizes. But things like cluster size is larger, file size and partitions are larger, permission information and plenty more. Will need to make use of the features, it can ignore features if it wants to. I found reasonably good info on Wikipedia about exFAT, easier to read that than for me to list out the benefits. I used exFAT on my A129 Pro and did not have any issues, other than Linux sometimes did not like exFAT, as exFAT is usually not native to Linux.ĮxFAT is a more robust file system than FAT16 or FAT32. Yes, well, per the VIOFO manual it is a yes, and frankly, I would expect exFAT to work with the VIOFO 256gb microSDXC card. based on the polled size of the memory card. Will automatically format FAT32, exFAT, etc. It no longer does that and the tool, as I recall, If I recall correctly, the format tool from the SD Association once permitted you to select the file format you wanted to use, regardless of memory size. The SD Association standards for the size of microSDXC that we generally use means that micro-controllers and dashcam software have to do a bit of magic to make a FAT32 file system work reliably on a memory card that, if it follows the standards, works better with exFAT.įAT32 is not as efficient as exFAT and I have to wonder if some of the heat issues are related to the memory card doing extra buffering and steps to 'step down' to FAT32. It can be a long ugly discussion as to which is best, but my view is that VIOFO should be using exFAT exclusively. However, for the microSDXC card there are standards from SD Association and the standard states that 32gb to 2 TB should use exFAT. The safe bet is to always use the dashcam format tool.
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