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Azure Disk Storage

Discover a high-performance, highly durable block storage service designed for Azure Virtual Machines
Create and manage disks easily with flexible options to meet your cost and performance needs
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OVERVIEW

Optimize block storage for your workloads

  • Scale your top-tier, data-intensive, high-performance workloads with granular control of capacity and performance.
  • Get enterprise-grade durability with a 0% annual failure rate with redundancy options for managed disks.
  • Optimize costs by choosing disk storage options ranging from 1 GB to 64 TB and tailoring performance to workload needs.
  • Meet security and compliance needs with enhanced encryption, built-in data durability, and role-based access control.
FEATURES & WORKLOADS

Get storage security and performance at scale

Shared disks

Attach a disk to multiple virtual machines (VMs) simultaneously to streamline app deployment or migration of clustered apps to Azure.
Learn more

Performance tiers

Tailor throughput, use disk bursting, and select performance tiers to improve performance and cost efficiency.
Learn more

Built-in security

Secure your data with automatic server-side encryption using platform-managed keys or, optionally, customer-managed keys.
Learn more

Incremental snapshots

Minimize downtime, costs, and data loss and ensure business continuity by enabling cross-zone and cross-region disk copy.
Learn more

Zone Redundant Storage (ZRS) disks

Enable disks to tolerate zonal failures, ensuring high VM availability while eliminating data replication across zones.
Learn more

Backup and disaster recovery

Minimize disruptions, lower costs, and reduce time spent with point-in-time snapshots and solutions.
Learn more
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SECURITY

Built-in security and compliance  

Microsoft has committed to investing $20 billion in cybersecurity over five years. 
We employ more than 8,500 security and threat intelligence experts across 77 countries. 
Azure has one of the largest compliance certification portfolios in the industry. 
Learn more about security on Azure
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PRICING

Get the data disk storage you need at competitive prices

Choose the disk type you need—Ultra Disk Storage, Premium SSD v2, Premium SSD, Standard SSD, or Standard HDD—and use multiple disks with each virtual machine. Lower your total cost of ownership by purchasing disk storage reservations at a discounted rate. Use the pricing calculator to configure and estimate the cost of your disk storage.
See Disk Storage pricing

See what’s new in Azure Disk Storage

Dive into the future of cloud infrastructure with confidence and stay ahead with Azure’s advanced cloud storage solutions.
Read the blog
CUSTOMER STORIES

Customers are innovating with Azure Disk Storage

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  1. Moody's Logo
  2. Self help Logo
  3. SA Power Networks Logo
  4. teradata Logo
  5. Unilever Logo
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Moody's Logo
Moody’s Analytics maximizes storage capacity and performance with Azure Disk Storage integrated into VM scale sets.
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Self help Logo
Selfhelp uses Premium SSD for high performance on VMs and Standard SSD for high availability on Kubernetes clusters.
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SA Power Networks Logo
SA Power Networks uses Premium SSD and Standard SSD storage based on environment tier for cost optimization.
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teradata Logo
“Azure offers so many features that are critical to our ability to perform analytics at scale, including the ability to bring additional virtual machines into the pool automatically or increase premium storage as required.”
Neeraj Jain, Director of Product Management, Teradata
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Unilever Logo
Unilever moved more than 200 apps to the cloud with Azure VMs in 18 months with no incidences.
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Azure Virtual Machines

Create Linux and Windows virtual machines (VMs) in seconds and reduce costs.
Learn more

Azure Elastic SAN

Get the same simplified management experience in the cloud as with your on-premises storage area network (SAN).
Learn more

Azure Container Storage

Seamlessly use storage volumes, built natively for containers, for production-scale stateful applications and run anywhere on Kubernetes.
Learn more

Azure Backup

Ensure data resiliency with automated backup and swift restore capabilities.
Learn more

Azure Migrate

Transition your on-premises workloads to the cloud with confidence and ease.
Learn more
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RESOURCES

Get started with Azure Disk Storage

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Documentation

Introduction to Azure Managed Disks

Explore the Azure Disk Storage documentation for quickstarts, tutorials, and best practices.
Get started
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Documentation

Azure managed disk types

Learn about the available types of Azure managed disks and determine which meet your needs.
Get started
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Documentation

Encrypt your managed disks

Learn about the various encryption options available for managed disks.
Get started
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Documentation

Redundancy options

Learn about the redundancy options available for managed disks.
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Documentation

Managed disk reservations

Understand how reservation discounts apply to Azure Disk Storage.
Get started
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Documentation

Share managed disks

Learn about sharing Azure managed disks across multiple VMs.
Get started
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Tool

Virtual machines selector

Figure out what Azure VM types and sizes are best for you based on budget and workload needs.
Explore types
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FAQ

  • Data disks on Ultra Disk Storage hold up to 64 TB per disk. Data disks on Premium SSD, Standard SSD, and Standard HDD hold up to 32 TB. The number of data disks you can use depends on the size of the virtual machine.
  • Each of the five disk types differs in performance characteristics, so you can configure your storage based on your workload needs. Learn more
  • After you purchase a reservation, a discount is automatically applied to the disk resources that match the terms of your reservation. The reservation discount applies to disk SKUs only. Learn more about reservation discounts.
  • Bursting is enabled by default on new and existing deployments of the supported virtual machines and disks—no additional steps are required. Learn more about bursting.
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ACCOUNT SIGNUP

 Get started with a free account

 Start with $200 Azure credit
Try Azure for free
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ACCOUNT SIGNUP

Get started with pay-as-you-go pricing

There’s no upfront commitment—cancel anytime.
Create a pay-as-you-go account