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Storage usage refers to the used storage capacity. You are charged by the objects' size and how long you stored them. For different storage classes, the unit price, minimum object size, and minimum storage duration are different as described below. The actual costs depend on the use case and storage class of the object.

Note：

For more information on storage classes, see Storage Class Overview.

Storage Usage Fees

STANDARD storage usage fees

Billable Item Description	Applicable Region	Applicable Billing Mode
STANDARD storage usage refers to the size of your data stored in the STANDARD storage class. You will be charged by the actual STANDARD storage usage and how long you store the data.	All regions	Pay-as-you-go

MAZ_STANDARD storage usage fees

Billable Item Description	Applicable Region	Applicable Billing Mode
MAZ_STANDARD storage usage refers to the size of your data stored in the MAZ_STANDARD storage class. You will be charged by the actual MAZ_STANDARD storage usage and how long you store the data.	Beijing, Shanghai, Guangzhou	Pay-as-you-go

STANDARD_IA storage usage fees

Billable Item Description	Applicable Region	Applicable Billing Mode
STANDARD_IA storage usage refers to the size of your data stored in the STANDARD_IA storage class. You will be charged depending on the actual use case: Objects stored less than 30 days will be calculated as 30 days. A single object smaller than 64 KB will be calculated as 64 KB, while objects larger than or equal to 64 KB will be billed based on their actual sizes. If you successfully uploaded an object to STANDARD_IA without enabling versioning, COS will delete the existing object (if any) that has the same name. In this case, storage usage fees will also be incurred for the early deletion of the object.	All regions	Pay-as-you-go

MAZ_STANDARD_IA storage usage fees

Billable Item Description	Applicable Region	Applicable Billing Mode
MAZ_STANDARD_IA storage usage refers to the size of your data stored in the MAZ_STANDARD_IA storage class. You will be charged depending on the actual use case: Objects stored less than 30 days will be calculated as 30 days. A single object smaller than 64 KB will be calculated as 64 KB, while objects larger than or equal to 64 KB will be billed based on their actual sizes. If you successfully uploaded an object to MAZ_STANDARD_IA without enabling versioning, COS will delete the existing object (if any) that has the same name. In this case, storage usage fees will also be incurred for the early deletion of the object.	Beijing, Shanghai, Guangzhou	Pay-as-you-go

INTELLIGENT TIERING storage usage fees

Billable Item Description	Applicable Region	Applicable Billing Mode
INTELLIGENT TIERING storage usage refers to the size of your data stored in the INTELLIGENT TIERING storage class. You will be charged depending on the actual use case: The storage usage fees vary by tier of your stored objects. If your objects are stored in the frequent access tier, you will be charged at STANDARD prices. If your objects are stored in the infrequent access tier, you will be charged at STANDARD_IA prices. Objects smaller than 64 KB will always be stored in the frequent access tier. All objects will be billed based on their actual sizes.	Beijing, Nanjing, Shanghai, Guangzhou, Chengdu, Chongqing, Tokyo, and Singapore	Pay-as-you-go

MAZ_INTELLIGENT TIERING storage usage fees

Billable Item Description	Applicable Region	Applicable Billing Mode
MAZ_INTELLIGENT TIERING storage usage refers to the size of your data stored in the MAZ_INTELLIGENT TIERING storage class. You will be charged depending on the actual use case: The storage usage fees vary by tier of your stored objects. If your objects are stored in the frequent access tier, you will be charged at MAZ_STANDARD prices. If your objects are stored in the infrequent access tier, you will be charged at MAZ_STANDARD_IA prices. Objects smaller than 64 KB will always be stored in the frequent access tier. All objects will be billed based on their actual sizes.	Beijing, Shanghai, Guangzhou	Pay-as-you-go

ARCHIVE storage usage fees

Billable Item Description	Applicable Region	Applicable Billing Mode
ARCHIVE storage usage refers to the size of your data stored in the ARCHIVE storage class. You will be charged depending on the actual use case: Objects stored less than 90 days will be calculated as 90 days. A single object smaller than 64 KB will be calculated as 64 KB, while objects larger than or equal to 64 KB will be billed based on their actual sizes. If you successfully uploaded an object to ARCHIVE without enabling versioning, COS will delete the existing object (if any) that has the same name. In this case, storage usage fees will be incurred for the early deletion of the object.	All public cloud regions (except Jakarta), Shenzhen Finance	Pay-as-you-go

DEEP ARCHIVE storage usage fees

Billable Item Description	Applicable Region	Applicable Billing Mode
DEEP ARCHIVE storage usage refers to the size of your data stored in the DEEP ARCHIVE storage class. You will be charged depending on the actual use case: Objects stored less than 180 days will be calculated as 180 days. A single object smaller than 64 KB will be calculated as 64 KB, while objects larger than or equal to 64 KB will be billed based on their actual sizes. If you successfully uploaded an object to DEEP ARCHIVE without enabling versioning, COS will delete the existing object (if any) that has the same name. In this case, storage usage fees will be incurred for the early deletion of the object.	Beijing, Nanjing, Shanghai, Guangzhou, Chengdu, Chongqing, Tokyo, and Singapore	Pay-as-you-go

Early deletion

Description

Involved Storage Class

Early deletion refers to the deletion of an object in the STANDARD_IA, MAZ_STANDARD_IA, ARCHIVE, or DEEP ARCHIVE storage class performed before it meets the minimum storage duration requirement after being uploaded. Note: Early deletion fees will be incurred in storage classes with the minimum storage duration requirement, i.e., STANDARD_IA, MAZ_STANDARD_IA, ARCHIVE, and DEEP ARCHIVE. Billing rule: If an object is deleted before it meets the minimum storage duration requirement, the storage usage fees incurred by it will be calculated based on the minimum storage duration as detailed below: STANDARD_IA or MAZ_STANDARD_IA storage of data for less than 30 days will be calculated as 30 days. ARCHIVE storage of data for less than 90 days will be calculated as 90 days. DEEP ARCHIVE storage of data for less than 180 days will be calculated as 180 days. The following operations may cause early deletion: 1. You delete an object in advance before it meets the minimum storage duration requirement. 2. You modify the attributes of an object before it meets the minimum storage duration requirement, such as custom header or storage class. In this case, COS will delete the original object after successful modification, and storage fees incurred by early object deletion will be charged. 3. You upload an object with the same name as an existing object to a bucket with versioning not enabled before the existing object meets the minimum storage duration requirement. In this case, COS will delete the existing object, and storage fees incurred by early object deletion will be charged.

STANDARD_IA MAZ_STANDARD_IA ARCHIVE DEEP ARCHIVE

Billing Mode and Calculation Formula

Billing Mode	Calculation Formula
Pay-as-you-go	Daily billing cycle Daily storage usage fees = monthly unit price / 30 * daily storage usage Daily storage usage = sum of "5-minute usage" / 288 (number of statistical points)

Storage Usage Pricing

Note：

For the unit prices of storage usage, see Pricing | Cloud Object Storage.

Billing Examples

Note：

• Prices in the examples below are for reference only. For the actual prices, see Pricing | Cloud Object Storage.
• The storage capacity is calculated in binary, for example, 1 TB = 1024 GB.

Example 1: STANDARD storage usage fees + STANDARD request fees

Assume that on November 1, 2020, user A uploaded 10 GB of data to a bucket residing in Guangzhou region in the STANDARD storage class, generating 100 requests. Apart from this, user A did not perform any other operations in November. As fees for Mona day were settled the next day:

• STANDARD storage usage fees: Settled daily starting from November 2, 2020.
• STANDARD request fees: Settled on November 2, 2020.

Fees analysis:

• STANDARD storage usage fees = 0.024 USD/GB/month / 30 * 10 GB * 30 days = 0.24 USD
• STANDARD request fees = 0.002 USD/10,000 requests * 100 requests / 10,000 = 0.00002 USD

In summary, the total bill for user A in November is calculated as follows: 0.24 + 0.00002 = 0.24002 USD.

Example 2: STANDARD_IA storage usage fees + STANDARD_IA request fees

Assume that on November 1, 2020, user B uploaded 10 GB of data (including 10,000 pieces of 30 KB objects) to a bucket residing in Guangzhou region in the STANDARD_IA storage class, generating 100 requests. Apart from this, user B did not perform any other operations in November. As fees for a day were settled the next day:

• STANDARD_IA storage usage fees: Settled daily starting from November 2, 2020.
• STANDARD_IA request fees: Settled on November 2, 2020.

Fees analysis:

• STANDARD_IA storage usage = 10 GB + 10,000 * 30 KB = 10.286 GB
• STANDARD_IA storage usage fees = 0.018 USD/GB/month / 30 * 10.286 GB * 30 days = 0.19 USD
• STANDARD_IA request fees = 0.01 USD/10,000 requests * 100 requests / 10,000 = 0.0001 USD

In summary, the total bill for user B in November is calculated as follows: 0.19 + 0.0001 = 0.1901 USD.