How long does data migration take?

MECosenza Said:

"How long does it take to migrate data from old iMac to new iMac?"

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Time to Migrate Data:

That depends on the connection method, the data transfer rate, along with the amount of data your are transferring. So, wait it out, and it will all transfer, sucre enough.

I have found that with the two Macs connected with a USB cable the migration is completed in 45 minutes or less. Of course, if you have a lot more data, it will take longer. It should not be taking hours to complete though, unless Wi-Fi or a network is being used (which I do not recommend).

At USB3 speeds took over 12 hours to migrate 1.1 TB of data.