Slow data transfer to Time Machine
I am backing up 350 GB of data from my hard drive to a new Time Machine volume, and the process is so slow that it will take several days to complete. Is this normal, should I just let it run, or just give up?
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A 2007 Mac would have USB 2.0 ports which have a maximum bandwidth of 480 Mbps. The same as the USB ports on the Apple base stations.
Ref: List of device bit rates - Wikipedia
The actual data throughput will be based on, at least, three things:
- The USB port's limitations.
- The Mac's CPU.
- The USB drive's processor, data buffers, and disc rotational speed.
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Slow data transfer to Time Machine