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SESK: Stuff Everyone Should Know · sesk.info/tech-bandwidth-capacity

What does network bandwidth describe?

Bandwidth describes the maximum theoretical data-transfer rate.

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  1. The delay before data arrives
  2. The maximum theoretical transfer rate ✔
  3. The number of routers crossed

Why: Bandwidth is the capacity ceiling of a network connection or segment, usually measured in bits per second. It does not promise that applications will achieve that rate.

Huh, didn't know that: Mbps and Gbps mean millions and billions of bits per second, not bytes per second.

The dad joke
Bandwidth brought a wide ruler because capacity needed measuring.
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References

Answer: The maximum theoretical transfer rate. Bandwidth is the capacity ceiling of a network connection or segment, usually measured in bits per second. It does not promise that applications will achieve that rate.

  1. AWS: What Is Network Bandwidth? aws.amazon.com/what-is/network-bandwidth
    Network bandwidth is the maximum theoretical rate of data transfer over a network segment or connection.
    Checked 2026-10-10.

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