The quantity of the specified capacity unit. For Amazon EC2, this is the number of additional instances to add to the Outpost. For Amazon EBS and Amazon S3, this is the total desired end-state capacity of the Outpost.
The unit of measurement for the capacity. For Amazon EC2, this is the instance type (for example, c5.24xlarge). For Amazon EBS and Amazon S3, this is the storage unit (for example, TiB for tebibytes).