You are forgetting the time it takes to copy the data to and from these cards. Data may be transported, but it is not usable until you copy it. Copying 20 TiB is probaply going to take some time
We had a TV report about a photographer who actually transfered big files with via horse because the transfer over the internet was slower than a calm ride.
(Germany - 2021)
link for Germans
Strap 20 sd card with 1TB capacity each. Send the pidgeon to a neighboring city, 2 hours flight time.
Bandwidth: 2.78 GB/s (assuming no wild hawks in the area)
You are forgetting the time it takes to copy the data to and from these cards. Data may be transported, but it is not usable until you copy it. Copying 20 TiB is probaply going to take some time
you have the same problem with downloads though. In the end any download rate exceeding your disc write speed doesnt get you there faster.
ofc. you can write as you download, which makes things faster.
We had a TV report about a photographer who actually transfered big files with via horse because the transfer over the internet was slower than a calm ride. (Germany - 2021) link for Germans