Billing Overview

1. ECS
This overview describes the billing item of Elastic Compute Service (ECS) and the billing methods of these resources.
The relationship between billing item and billing method is as below:

Billing Item	Description	Billing Method
Instance Type	Charged based on the instance type. The instance type determines the number of vCPUs and the size of memory that you can use.	● Subscription ● Pay-as-you-go
Ultra-Disk	Disk fees are determined based on the disk capacity and usage duration.	● Subscription ● Pay-as-you-go
Standard SSD	Disk fees are determined based on the disk capacity and usage duration.	● Subscription ● Pay-as-you-go
Snapshot	Snapshot fees are determined based on the snapshot size and storage duration.	● Pay-as-you-go

2. Data Disk
This overview describes the billing item of Disk and billing methods.

The relationship between billing item and billing method is as below:

Billing Item	Description	Billing Method
Ultra-Disk	Disk fees are determined based on the disk capacity and usage duration.	● Subscription ● Pay-as-you-go
Standard SSD	Disk fees are determined based on the disk capacity and usage duration.	● Subscription ● Pay-as-you-go