For some reason it comes in FAT32 format. Formatted in NTFS. Both connections work very well and offer fast data transfers. But tying the lace was difficult. There should be a threading tool or a lighter tip. The build doesn't feel as solid as many USB devices I've owned, but it's good enough for office use. I haven't connected it to my phone, so I don't have any information about its performance. Overall a solid purchase. I still don't know why such a large disk should be formatted to FAT32,
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