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November 6, 2025 · AzureLaunched

Generally Available: Ultra Disk’s new flexible provisioning model

Announcing the General Availability of Ultra Disk’s new flexible provisioning model. 

This enhancement gives you the freedom to configure capacity, IOPS, and throughput (MBPS) more independently—so you can tailor performance to your workload needs and optimize total cost of ownership. These improvements are available for both new and existing Ultra Disks.  

Below is a comparison of the new enhancements versus the previous state 

 

Greater control 

Previous 

GiB capacity billing 

Billed at 1 GiB granularity 

Billed at tiers 

Maximum IOPS per GiB 

1,000 IOPS per GiB 

300 IOPS per GiB 

Minimum IOPS per disk 

100 IOPS 

Higher of 100 or 1 IOPS per GiB 

Minimum MB/s per disk 

1 MB/s 

Higher of 1 MB/s or 4 KB/s per IOPS 

 

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