Azure Disk Storage
Persistent and high-performing disks for Azure Virtual Machines
Choose the right disk storage for your workload
Get the durability, scalability, availability and security you need for all of your data – from test scenarios to mission-critical workloads. Use Azure Ultra Disk Storage when you need sub-millisecond latency and extremely scalable performance, Azure Premium SSD for production workloads and Azure Standard SSD for cost-effective and consistent performance.Explore disk storage options
Automatic disk creation and management – simply select the disk type and size needed
Create thousands of managed disks simultaneously in minutes with a single subscription
Data encrypted at rest by default
99.999 per cent availability and consistent enterprise-grade durability
Disk storage for every workload
Get disk storage options for any virtual machine (VM) workload. Experience best-in-class throughput and speed as well as consistent low latency for building databases, scaling and running mission-critical apps, and working with development testing scenarios.
Highest performing disk in the cloud
Get high-performance, low-latency disk support for VMs with I/O-intensive workloads and low single millisecond latencies with Premium SSD. Dynamically change disk performance and get high IOPS for Azure infrastructure as a service (IaaS) VMs with Ultra Disk Storage.Explore Azure disk types
Mitigate risks and save money
Get high-performance, low-latency disk support for VMs with I/O-intensive workloads and low single millisecond latencies with Premium SSD. Dynamically change disk performance and get high IOPS for Azure infrastructure as a service (IaaS) VMs with Ultra Disk Storage.Learn about Azure Backup
Get guidance from the partner community
Tap into a rich partner ecosystem offering a wide range of solutions for database migration, backup and disaster recovery.Find a partner
Enhanced security and compliance
Microsoft invests more than USD 1 billion annually on cybersecurity research and development.
We employ more than 3,500 security experts completely dedicated to your data security and privacy.
Azure has more compliance certifications than any other cloud service provider. View the comprehensive list.
Get the power, control and customisation you need at competitive prices
Azure managed disks are the new, recommended disk storage offering for use with Azure Virtual Machines for persistent data storage. Choose from four types of managed disks – Ultra Disk Storage, Premium SSD, Standard SSD and Standard HDD – and use multiple managed disks with each VM. Pricing reflects discounts for preview items. When the preview ends, general availability pricing will take effect.See Azure Disk Storage pricing
Everything you need to get started easily
Explore Azure managed disks
Learn about the key benefits of using managed disks when you migrate your workloads to the cloud.
Choose the right disk for your IaaS VMs
Learn how to choose the right type of Azure managed disk based on your specific business needs.
Get high performance and scalability
Build high-performance apps using Azure premium storage and learn more about scalability targets for VM data disks.
Trusted by companies of all sizes
"Ultra Disk Storage enabled SEGA to seamlessly migrate from our on-premises datacenter to Azure and take advantage of flexible performance controls"Takaya Segawa, General Manager/Creative Officer, SEGA
"With Ultra Disk Storage, we achieved consistent sub-millisecond latency at high IOPS and throughput levels on a wide range of disk sizes. Ultra Disk Storage also allows us to fine-tune performance characteristics based on the workload."Amit Patolia, Storage Engineer, DEVON ENERGY
"With a unique range of IOPS and throughput options, Azure disks in combination with Commvault's data management software offer industry-leading caching, performance, migration, indexing, and scalability that is critical to heterogeneous data management."Commvault
"The high I/O and throughput capabilities of Azure disks has helped our customers with their caching and scalability needs"Cloudera
Frequently asked questions about Azure managed disks
Managed disks simplify disk management for Azure IaaS VMs by handling storage account management for you. For more information, see the managed disks overview.
Yes. You’re charged for each transaction. For more information, see the pricing page.
You’re charged based on the provisioned capacity of the disk. For more information, see the pricing page.
The pricing of premium managed disks is the same as the pricing of unmanaged premium disks.
Yes. You can change the storage account type of your managed disks by using the Azure portal, PowerShell or Azure CLI.