Subscription billing

CDS

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        • What Is Performance Pre-Configuration
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    • CDS Service Level Agreement (SLA V2_0)
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CDS

  • API Reference
    • Disk Related Interfaces
  • Dedicated Cluster Operation Guide
    • Charge
    • Create a dedicated cluster
    • Create Cloud Disk Server in Dedicated Cluster
    • Expand Dedicated Cluster
    • View Dedicated Cluster Information
    • What Is a Dedicated Cluster
  • Disk Operation Guide
    • Basic Operations
      • Create cloud disks
      • Disk encryption
        • Encrypt Data Disk and Snapshot
        • Encrypt System Disk and Image
        • Encryption Overview
      • Format cloud disks
        • Format Disk Partition on Linux System
        • Format Disk Partition on Windows System
        • Overview
      • Monitor alarm
      • mount Cloud Disk Server
      • Recycle bin
      • Release cloud disks
      • Tag Management
      • Unmount Cloud Disk Server
    • Billing management
      • Renew cloud disks
      • Shift Charge
    • Elastic Operations
      • Burst performance capability
      • Change cloud disk type
      • Performance preconfiguration
        • Use Performance Pre-Configuration
        • What Is Performance Pre-Configuration
      • Resize cloud disks
        • Expansion Overview
        • Extend Disk Partition on Linux Data Disk
        • Extend Disk Partition on Linux System Disk
        • Extend Disk Partition on Windows Data Disk
        • Extend Disk Partition on Windows System Disk
  • FAQs
    • Billing Problems
    • Common Questions Overview
    • Configuration-related questions
    • Fault-related questions
    • Performance-related questions
    • Security Problems
  • Peripheral Tools
    • CDSCMD Tool
      • Configure CDS CMD Tool
      • Install CDS CMD Tool
      • Operate Disk Using CDS CMD Tool
      • Overview
      • Tool Version History
  • Product Description
    • Application scenarios
    • Disk Status
    • Disk types
    • Product advantages
    • Product features
    • Product functions
    • Product Introduction
    • Type and Region
  • Product pricing
    • Disk charge type
      • Pay as you go
      • Subscription billing
    • Disk Expiration and Debt Reminder
    • Snapshot Charge Type
    • Universal Storage Capacity Package GSCP
  • Product Updates
    • Function Release Records
    • Product Announcement
      • Adjustments to prepay Disk renew, shift charge, and Unsubscribe Operations
  • Service Level Agreement (SLA)
    • Baidu Intelligent Cloud Block Storage Trusted Cloud
    • CDS Service Level Agreement (SLA V2_0)
  • Snapshot Operation Guide
    • Disk Snapshot
      • Automatic snapshot
      • Create a custom image
      • Create CDS disk from snapshot
      • Cross-region replication
      • Delete a snapshot
      • Manual Snapshot
      • Snapshot Rollback
      • Tag Management
    • Instance snapshots
      • Instance snapshots
    • Introduction to snapshot
      • Instructions for use
      • Snapshot chain
  • Typical Practices
    • Block Device Persistent Naming
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Table of contents on this page
  • Subscription price
  • System disk billing & price adjustment
  • Expiration reminders and handling

Subscription billing

Updated at:2025-11-03

Baidu AI Cloud CDS provides two flexible purchasing options: subscription and pay-as-you-go. The subscription model requires a prepayment, with charges based on the selected disk size and billed in 1 GB increments. Ensure your account has no outstanding balance before making a purchase.

Subscription price

Baidu AI Cloud CDS currently offers multiple disk types. For the annual/monthly subscription prices of each disk type, please refer to Cloud Disk Server (CDS) Pricing Instructions -> Subscription Billing.

Description:

  • Previous-generation cloud disks and high-throughput HDDs have been discontinued; new purchases are no longer supported, and it is recommended that you purchase other types of cloud disks. For existing previous-generation cloud disks or high-throughput HDDs, capacity expansion may fail in some regions. Please change the disk type to a cloud disk of the same price tier or a higher-performance type. Disk type changes are performed online and do not affect the disk’s read/write processes.
  • The minimum purchase capacity for general-purpose SSD cloud disks is 50 GB. The minimum purchase capacity for other disk types is 5 GB. For details on cloud disk types and performance, see Introduction.

System disk billing & price adjustment

The 40 GB free system disk policy for Baidu Cloud Compute CDS was discontinued on April 8, 2020. Postpaid BCC instances purchased before this change can continue using the free 40 GB capacity of their included system disk. However, from April 8, any capacity used beyond the free 40 GB will be billed at the corresponding CDS list price based on the disk type. For system disks exceeding 40 GB in capacity, the billing method for the additional portion remains unchanged. Details of the price adjustments are as follows:

The impact of this billing adjustment includes:

  • For the postpaid CDS system disks included in postpaid Baidu Cloud Compute (BCC) (architectures: x86 computing and heterogeneous computing GPU) purchased before this adjustment, the previously free 40 GB capacity will be charged at the CDS list price corresponding to the disk type. If the system disk capacity you created exceeds 40 GB, the billing method for the excess part remains unchanged and is not affected by this adjustment;
  • For prepaid CDS system disks included with prepaid BCC instances (architectures: x86 computing and heterogeneous computing GPU) purchased before this adjustment, the free 40 GB capacity remains unaffected until the instance expires. However, upon renewal of the prepaid BCC instance after its expiration, the included system disk will no longer provide the free 40 GB capacity. Additionally, operations such as capacity expansion or reconfiguration for the prepaid system disk will no longer include the free 40 GB capacity in the change order.
  • For both prepaid and postpaid BCC instances (architectures: x86 computing and heterogeneous computing GPU) purchased after this adjustment, the included CDS system disks no longer offer the free 40 GB capacity.

The purchasing methods affected by this billing adjustment include:

  • CDS system disks included in Baidu Cloud Compute (BCC) (with architectures including x86 computing and heterogeneous computing GPU) that you purchase directly via the console or API;
  • CDS system disks included in BCC (with architectures including x86 computing and heterogeneous computing GPU) created via auto scaling (AS);
  • CDS system disks included in BCC (with architectures including x86 computing and heterogeneous computing GPU) created via resource orchestration (COS);
  • CDS data disks are not covered under this pricing adjustment.

The regions affected by this billing adjustment includes:

  • This pricing adjustment applies to all public cloud regions of Baidu AI Cloud, including North China - Beijing, North China - Baoding, East China - Suzhou, South China - Guangzhou, Central China Financial - Wuhan, East China Financial - Shanghai, Hong Kong (China), and Singapore.

CDS system disk pricing after this billing adjustment:

  • The pricing for the total purchased capacity of CDS system disks matches the pricing for CDS data disks.

Expiration reminders and handling

Expiration reminders

  • The system will send a reminder 7 days before the contract expiration date.

Handling after expiration

  • After the contract expires, the system will send a renewal notification. Your data will be retained free of charge for 7 days during this period.
  • If the disk is mounted, you can unmount it; if it is not mounted, you can release it. All other operations are prohibited during the arrears period.
  • CDS data resources that have been expired for more than 7 days will be cleared and irrecoverable. Please pay attention to SMS and email notifications and renew in a timely manner.
  • The system will send notifications 1 day prior to resource cleanup and at the time of resource cleanup. Please pay attention to these notifications.

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