Usb and files internal time source

pma111 used Ask the Experts™
Do usb storage devices have any sort of internal clock on the device itself, or do the date modified/accessed/created dates shown on files stored on the device get populated by the PC's they have been plugged into?
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Most Valuable Expert 2014
The info comes from the computer they're plugged into.
Top Expert 2014

The physical disk has some idea of time for error logging but that's for SMART data rather than file/data creation. As Dave Baldwin says the time stamps in the file system come from whatever it is connected to.
Top Expert 2013

if you have a problem - why not post the exact one?  then the guys here can help better

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