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Running A Full Node | Minimum Requirements:
An unmetered connection, a connection with high upload limits, or a connection you regularly monitor to ensure it doesnt exceed its upload limits. Its common for full nodes on high-speed connections to use 200 gigabytes upload or more a month. Download usage is around 20 gigabytes a month, plus around an additional 140 gigabytes the first time you start your node.
Take your examples: 10 TB would be 30 Mbit/s on average, and enough to feed around 1,000 full clients. That's a lot!