Hmm, I want to export somewhere around 40TB of data from one of our StorageV2 blob storage containers to a customer's on-prem site in India. Should i pay for any ingress or egress charge for the same

Hi Manish Santosh Thorat,

Welcome to Microsoft Q&A and Thank you for Posting your Query Here!

If you're planning to export around 50 TB of data from a StorageV2 Blob Storage container in Azure to an on-premises site in India, you will incur egress charges, but no ingress charges.

Ingress (Data In)

• Definition: Ingress refers to data that is entering or being uploaded into Azure services from an external source.
• Cost: Free. Azure does not charge for data ingress. Whether you're uploading data to Azure Data Lake Storage or any other Azure service, you don't pay for the incoming data transfer.

Egress (Data Out)

• Definition: Egress refers to data leaving Azure services, typically to another service, location, or back to an on-premises environment.
• Cost: Charged. Azure charges for data egress, with costs varying depending on the destination and volume of data.

Factors Affecting Egress Costs:

1. Volume of Data: The amount of data being transferred out of Azure. Larger data volumes incur higher costs.
2. Destination:
   • Within the Same Region: Generally, there’s no charge for data movement within the same Azure region.
   • Cross-Region or External Transfers: If data is transferred out of an Azure region or to an external location (e.g., an on-premises environment), egress charges apply. Cross-region transfers can be particularly expensive.
3. Type of Storage:
   • Hot/Cold/Archive Tiers: The storage tier in ADLS can impact costs. Hot storage is more expensive but has lower access costs, whereas cold and archive tiers are cheaper to store but more expensive to access and egress.

Calculating Costs:

1. Azure Pricing Calculator: Azure provides a Pricing Calculator where you can estimate ingress and egress costs based on your usage patterns.
2. Bandwidth Pricing: Review the Bandwidth Pricing page for detailed egress rates, depending on the regions involved and data volume.

For data transferred from Asia (excluding China) to any destination:

First 100 GB / month: Free

Next 10 TB: ~$0.12 per GB

Next 40 TB: ~$0.085 per GB

Next 100 TB: ~$0.082 per GB

Next 350 TB: ~$0.08 per GB

Refer Microsoft Learn Document: https://v4.hkg1.meaqua.org/en-us/azure/storage/blobs/cost-estimate-multi-region-access.

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Thank you again for your time. I’m happy to continue supporting you—your experience and insights can also benefit others in the community.

Thanks,

Harish.