Azure page blobs pricing

Rest-based blobs for storing index-based and sparse data structures

Page Blobs are optimised for random read and write options. Page Blobs are ideal for scenarios that require the ability to overwrite a random small segment at a known address, such as storing index-based and sparse data structures. Page blobs can be accessed through REST protocol or attached to a VM to support disk traffic as Unmanaged Disks.

For page blobs, you will be billed on an hourly basis.

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General Purpose v2 provides access to the latest Azure storage features, including Cool and Archive storage, with pricing optimised for the lowest GB storage prices. These accounts provide access to Block Blobs, Page Blobs, Files and Queues.

Premium Page Blobs

Premium Page Blobs are high-performance solid-state drive (SSD)-based storage, designed to support I/O-intensive workloads with significantly high throughput and low latency. Premium Page Blobs provide provisioned disk performance up to 7,500 IOPS and 250 MBps per blob.

You can attach Premium Page Blobs to VM sizes with the “s” denomination for Premium Unmanaged Disk support (for example, Dsv1, Dsv2 and Gs). It is also recommended to use Managed Disks for VM persistent Storage for higher availability.

Pricing for Premium Page Blobs depends on:

  • Size of disks provisioned.
  • Outbound data transfer.
Page Blob types P10 P20 P30 P40 P50 P60
Size 128 GB 512 GB 1 TB 2 TB 4 TB 8 TB
Price per month $- $- $- $- $- $-
IOPS per Page Blob 500 2,300 5,000 7,500 7,500 7,500
Throughput per Page Blob 100 MB/second 150 MB/second 200 MB/second 250 MB/second 250 MB/second 250 MB/second

There are no transaction costs for Premium Page Blobs.

Your Premium Page Blob is charged based on the lowest type that supports your target size.

* Azure does not support attaching P60 as a disk to VMs at this time. P60 is only supported as Page Blobs accessible through REST.

We also support three additional page blob types that require you to deploy with Blob Tier set explicitly. If you deploy the page blob or unmanaged disks only specifying the target size, it will be rounded up to the supported page blob types listed in the table above.

P4 P6 P15
Disk Size 32 GB 64 GB 256 GB
Price per month $- $- $-
IOPs per disk 120 240 1,100
Throughput per disk 25 MB/second 50 MB/second 125 MB/second
Note: Snapshots are charged at $-/GB per month.

Standard Page Blob

Standard Page Blobs use hard disk drive (HDD)-based storage media. They are best suited for development, testing and other infrequently accessed workloads that are less sensitive to performance variability. Standard page blobs are billed on size used and with each transaction. When deleting files within the file system backed by a page blob, some operating systems may not clear the data after deletion and you may still be charged for the previously used capacity.

Prices for Standard Page Blobs depend on:

  • Volume of data stored per month.
  • Quantity and types of operations performed, plus outbound data transfer cost.
  • Data redundancy.

Data storage for Standard Page Blobs

LRS ZRS GRS RA-GRS GZRS RA-GZRS
$- per GB $- per GB $- per GB $- per GB $- per GB $- per GB

Data transfer for Disks and Page Blobs

When you write data into GRS accounts, that data will be replicated to another Azure region. The Geo-Replication Data Transfer charge is for the bandwidth of replicating that data to another Azure region. This charge also applies when you change the account replication setting from LRS to GRS or RA-GRS.

LRS or ZRS GRS or RA-GRS, GZRS or RA-GZRS
N/A $- per GB

Operations for Page Blobs used as Unmanaged Disks

We charge $- per 10,000 transactions for Standard Page Blobs attached to VM and used as Unmanaged Disks. Any type of operation against against Unmanaged Disks is counted as a transaction, including reads, writes and deletes.

Operations for Page Blobs (Non-disks)

Page Blob transactions that are not performed through a VM are billed on a per-transaction basis. For each transaction, a single operation is billed as either a write, read or delete operation. If a read or write transaction is larger than 64 KB, an additional read or write input/output (IO) is billed for each additional 64 KB, up to a maximum of 15 IOs per transaction. If the transaction is larger than 1 MB (64 KB x (1 transaction + 15 IOs)), no further IOs will be charged, regardless of the size of the transaction.

LRS ZRS GRS RA-GRS GZRS RA-GZRS
Write operations* (per 10,000) $- $- $- $- $- $-
Write additional IO units (per 10,000) $- $- $- $- $- $-
Read operations** (per 10,000) $- $- $- $- $- $-
Read additional IO units (per 10,000) $- $- $- $- $- $-
Delete operations Free Free Free Free Free Free

* The following API calls are considered write operations: AbortCopyBlob, AppendBlock, BreakBlobLease, BreakContainerLease, ChangeBlobLease, ChangeContainerLease, CopyBlob, CreateContainer, IncrementalCopyBlob, PutBlob, PutGeoMessage, PutGeoRepairMessageMeasurementEvent, PutGeoVerificationMessageMeasurementEvent, PutPage, SetBlobMetadata, SetBlobProperties, SetBlobServiceProperties, SetContainerACL, SetContainerMetadata, SnapshotBlob and UndeleteBlob.

** The following API calls are considered read operations: AcquireBlobLease, AcquireContainerLease, BlobPreflightRequest, GeoBootstrap, GetBlob, GetBlobLeaseInfo, GetBlobMetadata, GetBlobProperties, GetBlobServiceProperties, GetBlobServiceStats, GetBlockList, GetContainerACL, GetContainerMetadata, GetContainerProperties, GetCopyInformation, GetEncryptionKey, GetPageRegions, ReleaseBlobLease, ReleaseContainerLease, RenewBlobLease and RenewContainerLease.

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