During the last copy operation of my Seagate 8 TB disk (connected via USB 3.0), the speed of my disk dropped dramatically (from 90 MB/s to 100 kB/s). So I took CrystalDiskInfo to check the SMART values and a lot of the raw values increased drastically:
Highlighting by me for the values that gre rapidly
Now someone told me that this might happen when the is connected via USB. The info was that it could be a controller issue instead of a disk failure.
Is that possible? What test could I run in order to figure that out?