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Old 07-29-2020, 06:52 PM
ashleykaryl ashleykaryl is offline
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Join Date: Sep 2009
Location: UK
Posts: 70
CPU temperature during backup

I imagine this is all deemed safe and within tolerances but I've been surprised at how hot the CPU becomes on my new mini during backups with SuperDuper. On the old Mac Pro it sits at around 50C, whereas the mini generally hovers between 95-100C.

Looking at the CPU usage in iStat menu it appears to be making full use of the single core and no doubt turbo boost, so I hear the fans racing for a good part of the copy process and the case becomes quite hot. I almost wish there was a way in SuperDuper to turn down the CPU usage and just take a few more minutes over the copy process.

At time of writing I am copying 500 gigs of data from an SSD to an external USB 3 drive while I work and the mini is hovering around 50C, so I am guessing it's the smart update feature that is more demanding of the CPU and pushing temperatures up.
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