Resources

The cost of resources is calculated based on the amount of resources used within the Configuration period and is indicated in the Cost and Usage Reports.

Resource	Class	Description
vCPU	Shared	Virtual CPUs allocated to the DB instance from a shared pool of CPU resources. Only the time the instance was powered on is considered.
RAM	Shared	Random Access Memory for temporary data storage. Only the time the instance was powered on is considered.
Storage	NVMe	Dedicated disk space on network block storage on an SSD drive, connected via NVMe protocol. Provides the highest bandwidth and IOPS.
Storage	SSD	Dedicated disk space on network block storage on an SSD drive. Provides high bandwidth and IOPS.
Storage	HDD	Dedicated disk space on network block storage on an HDD drive. Provides low-cost data storage, high sequential read and write bandwidth, but low IOPS.
Storage	HDD-cold	Dedicated disk space on network block storage on an HDD drive. Provides the lowest cost data storage, suitable for infrequently accessed data.

Storage class

The Storage class is not selected by the user and depends on the location where the service is deployed.

Read more about Billable Metrics.