The real recording speed of a movie from an SSD drive to a flash drive ranged from 27 to 40 Mb / s (that is, the average actual write speed is less than 30 Mb / s), regardless of whether it was formatted in exFat or NTFS, and regardless of what cluster size (tried everything). This was the case regardless of how the cluster size was set. As a direct consequence of this, a film of 5 GB was captured in slightly more than two minutes. I believe this to be a satisfactory outcome anyway.
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