I’ll introduce the content I researched about AWS EC2 instance-specific network bandwidth and bandwidth guarantee.

Network bandwidth by EC2 instance

For network bandwidth by AWS EC2 instance, actual measured values are summarized in the following article, so please refer to this.

• AWS インスタンス別ネットワーク帯域・InstanceStore IOPS測定 - Qiita

EC2 has no network bandwidth guarantee

Are you asking about EC2 bandwidth?

To conclude, we currently do not provide services that guarantee bandwidth.

• [Source] AWS Developer Forums: 回線帯域の確保につきまして ...

That’s all from the Gemba where I wanted to know about EC2 network bandwidth.