This topic describes how to create a storage capacity unit (SCU) in the ECS console.


You do not have any overdue payments in your account.


  1. Log on to the ECS console.
  2. In the left-side navigation pane, choose Storage & Snapshots > Storage Capacity Units.
  3. Click Create Storage Capacity Unit.
  4. Configure the following parameters on the SCU purchase page.
    Parameter Description Example
    Region The region of the SCU. China (Hangzhou)
    SCU Specification The capacity of the SCU. 50 TB
    Deductible Product Type The deductible products and the corresponding deduction factors. None
    SCU Name The name of the SCU. Example for SCU deduction
    Quantity The quantity of SCUs to be purchased. 1
    Validity Period The validity period of the SCU. 1 Year
    Effective Time Specifies the effective time of the SCU. You can select one of the following options:
    • Now: The SCU takes effect immediately after purchase.
    • Specify Effective Time: The SCU takes effect at the specified time after purchase.
    Terms of Service Read and select ECS Terms of Service and Service Terms for Trial Use. None
  5. Verify the total price specified by Total and click Purchase.


After an SCU is created, you can view the SCU that is in the Creating state on the Storage Capacity Units page. When the SCU status turns to Running, the SCU begins to offset bills of some pay-as-you-go resources in the current region.