What is PHX1-UnusedBox:m6i.xlarge?

Last updated: March 31, 2025

The number of EC2 Capacity Reservation instance-hours reserved but not used. You are still charged for the reserved capacity regardless of whether it is used or not. The BoxUsage line item covers the compute usage that was actually consumed.

The prefix represents the US West region in Phoenix.

The postfix represents the instance type, m6i.xlarge.