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On a gigabit network is a transfer rate of 70MB/s normal?

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I have a network around my home that (in theory) should be a gigabit. I transferred a large file tonight from my PC to my NAS and windows reported it transferring at between 40MB/s and 109MB/s.

Is this the correct speed? Initially I thought it should be 1000MB/s. But then I'm wondering if 100MB/s is correct for a gigabit network?

So my questions are...

  1. is an average of 70MB/s about normal for a home network transferring a large movie file from a PC to a NAS?

  2. if the speed is low, do you have any software recommendations that will help detect where I'm losing my speed in the network?

Thanks for any help you can give me :-)

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Learn the difference between gigabit and gigabyte.

There are 8 bits in every byte. A gigabit per second is a theoretical max of 125 megaBYTES per second.

With standard network overhead a transfer should top out at around 112 megaBYTES per second.

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Check out the tool iPerf, which can be useful in testing throughput across your network. As you've seen already, a gigabit network transferring at or above 110MB/s is likely working properly and isn't a bottleneck.

https://iperf.fr/

You might do some benchmark tests on your pc and your nas, to make sure you're not limited by hard drives.

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