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Storage Capacity Unit:Purchase an SCU

Last Updated:Nov 26, 2025

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

Prerequisites

Your account has no unpaid bills.

Procedure

  1. Log on to the ECS console.

  2. Go to the Storage Capacity Units page.

  3. Click Create SCU.

  4. Configure the following parameters on the SCU buy page.

    Parameter

    Description

    Example

    Region

    The region in which you want to create an SCU.

    China (Hangzhou)

    SCU Capacity

    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 of SCU deduction

    Quantity

    The number 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 on the next hour after the purchase.

    • Specify Effective Time: The SCU takes effect at the specified time. You can specify a point in time that is within 180 days after the SCU is purchased.

    Now

    Tag

    Set tags to categorize snapshots for easier searching and batch operations.

    None

    Terms of Service

    Read and confirm the terms of service.

    N/A

  5. Click Preview.

  6. Click Subscribe and complete the payment.

Result

When the status of the SCU changes to Active, the SCU takes effect to offset bills of eligible pay-as-you-go resources in the current region.

More operations

Find the created SCU and click View Bills in the Actions column to go to the Expenses and Costs console to view the hourly deduction records of the SCU.