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


You do not have overdue payments in your account.

Background information

SCUs support only the all upfront payment method. You must make a full payment at purchase.

Sum = Validity period × SCU capacity × SCU unit price. Unit: USD.


  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 buy page.
    Parameter Description Example
    Region The region of the SCU. China (Hangzhou)
    SCU Specification The capacity of the SCU. 1 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 that you want to purchase. 1
    Validity Period The validity period of the SCU. 1 Month
    Effective Time The effective time of the SCU. Valid values:
    • 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.
  6. Click Create Order and complete the payment.


After you purchase an SCU, you can find it in the Creating state on the Storage Capacity Units page. When the status of the SCU changes to Running, the SCU begins to offset bills of eligible pay-as-you-go resources in the current region.SCU created