Azure Disk Storage
High-performance, durable block storage for your mission-critical applications.
Overview
Azure Disk Storage provides high-performance, durable block storage for Azure Virtual Machines. Azure offers several types of disks—Ultra Disk, Premium SSD, Standard SSD, and Standard HDD—each designed for different customer scenarios. These disks are managed, persistent storage volumes that can be attached to VMs as OS disks or data disks. They are designed for 99.999% availability and provide enterprise-grade durability.
✨ Key Features
- Multiple performance tiers (Ultra, Premium SSD, Standard SSD, HDD)
- High durability with multiple replicas of data
- Enterprise-grade security with encryption at rest by default
- Backup and disaster recovery with Azure Backup
- Scalable performance and capacity
- Shared disks for clustered applications
🎯 Key Differentiators
- Ultra Disk tier offers sub-millisecond latency and configurable performance
- Shared disks feature for building clustered applications
- Strong integration with Azure Backup for simplified data protection
Unique Value: Delivers secure, durable, and scalable block storage with a wide range of performance options to meet the needs of any virtualized application.
🎯 Use Cases (5)
✅ Best For
- Providing the boot volume for a Windows or Linux VM
- Storing a high-throughput SQL Server database on Premium or Ultra disks
- Attaching a large data disk to a VM for analytics processing
💡 Check With Vendor
Verify these considerations match your specific requirements:
- Object storage for unstructured data (use Azure Blob Storage)
- Network file shares (use Azure Files)
🏆 Alternatives
Offers a highly competitive range of performance tiers, with its Ultra Disk offering pushing the boundaries of cloud block storage performance for the most demanding enterprise applications.
💻 Platforms
🔌 Integrations
🛟 Support Options
- ✓ Email Support
- ✓ Live Chat
- ✓ Phone Support
- ✓ Dedicated Support (Professional Direct, Premier tier)
🔒 Compliance & Security
💰 Pricing
✓ 30-day free trial
Free tier: Includes 2 P6 SSDs (64 GB) for 12 months with the Azure Free Account.
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