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Azure Managed Disks are high-performance, durable block storage designed to be used with Azure Virtual Machines and Azure VMware Solution. We offer four disk storage options — Ultra Disk Storage, Premium SSD, Standard SSD, Standard HDD. Azure Managed Disks are priced to the closest tier that accommodates the specific disk size and are billed on an hourly basis.
Prices are estimates only and are not intended as actual price quotes. Actual pricing may vary depending on the type of agreement entered with Microsoft, date of purchase, and the currency exchange rate. Prices are calculated based on US dollars and converted using Thomson Reuters benchmark rates refreshed on the first day of each calendar month. Sign in to the
Azure pricing calculator
to see pricing based on your current program/offer with Microsoft. Contact an
Azure sales specialist
for more information on pricing or to request a price quote. For more information on Azure pricing see
frequently asked questions
.
US government entities are eligible to purchase Azure Government services from a licensing solution provider with no upfront financial commitment, or directly through a pay-as-you-go online subscription.
US government entities are eligible to purchase Azure Government services from a licensing solution provider with no upfront financial commitment, or directly through a pay-as-you-go online subscription.
Premium SSDs are high-performance Solid-State Drive (SSD) based Storage designed to support I/O intensive workloads with significantly high throughput and low latency. With Premium SSDs, you can provision a persistent disk and configure its size and performance characteristics.
The total cost of Premium SSDs depends on the size and number of the disks, and will be affected by the number of
outbound data transfers
. These disk sizes provide different input/output operations per sec (IOPS), throughput caps, and monthly price per GiB. Premium SSDs are supported on various virtual machine sizes and options, including DS-series, DSv2-series, FS-series, and GS-series - to run your workloads. Premium SSDs support both locally-redundant storage (LRS) and zone-redundant storage (ZRS) options. Please refer to
Azure Storage replication page
for more details on redundancy options. Premium SSDs with ZRS are currently generally available in select regions with more regional availability to come. To see ZRS pricing, please select ZRS as a redundancy option in the drop-down. When using
Azure shared disks
on Premium SSDs, each additional mount of disk is charged per month based on the disk size. Shared disk pricing is the same for either LRS or ZRS option.
Snapshots
You can store full snapshots and images for Premium SSDs on Standard storage. You can choose between locally redundant (LRS) and zone redundant (ZRS) snapshot options. These snapshots and images are charged at
$0.05
/GB per month for both Standard LRS and ZRS options based on the used portion of the disk. For example, if you create a snapshot of a managed disk with provisioned capacity of 64 GB and actual used data size of 10 GB, snapshot will be billed only for the used data size of 10 GB. If you choose to store them on Premium SSDs Managed Disk storage, you’ll be charged at
$-
/GB per month.
You can store incremental snapshots for Premium SSDs only on Standard storage. They are charged at
$0.05
/GB per month for both Standard LRS and ZRS snapshot options of the storage occupied by the delta changes since the last snapshot. For example, you are using a managed disk with provisioned size of 128 GB and used size of 100 GB. The first incremental snapshot is billed only for the used size of 100 GB. 20 GB of data is added on the disk before you created the second snapshot. Now, the second incremental snapshot is billed for only 20 GB.
Bursting
For P20 disks and smaller,
credit-based bursting
is enabled by default with no additional costs. You can boost your performance up to 3,500 IOPS and 170 MB/s for up to 30 min to handle spiky traffic, process batch jobs, and improve boot times.
For P30 disks and larger, you will be charged a monthly enablement fee of
$-
to enable
on-demand bursting
and a burst transaction fee of
$-
per 10,000 IOs for additional IOPS. You can boost your performance up to 30,000 IOPS and 1,000 MB/s at any point in time. For example, if you provision a P30 disk with 5,000 IOPS and you burst to 30,000 IOPS for 5 seconds, you will be charged an enablement fee to enable the bursting feature as well as a burst transaction fee for the additional 25,000 X 5 = 125,000 IOs. If you burst your throughput above the provisioned amount, you will also be charged a burst transaction fee for the additional throughput. For detailed examples on how the billing works, refer to this
article
.
Reservation
Azure Disk Storage reservations help you lower your disk storage cost by committing to one-year of Premium SSD capacity. Reserved capacity can be purchased in increments of 1 disk unit for 1-year commitment duration. All prices are per month. For more information, please see
Azure Disks FAQ
.
1-Year Reserved
Price Per Month
Max IOPS (Max IOPS w/ bursting)
Max throughput (Max throughput w/ bursting)
Price per mount per month (Shared Disk)
1-Year Reserved
Price Per Month
Max IOPS (Max IOPS w/ bursting)
Max throughput (Max throughput w/ bursting)
Price per mount per month (Shared Disk)
We charge a burst enablement fee of
$-
and transaction fee of
$-
per 10,000 transaction units for P30 disks and larger with bursting enabled. Any type of operation against the storage is counted as a transaction, including reads, writes, and deletes. For more details on burst transactions, please refer to the
bursting documentation
.
Premium SSD v2
Premium SSD v2 is the next-generation Premium SSD offering for Azure Disks Storage. Premium SSD v2 Disk Storage is designed for performance-sensitive workloads that consistently require low average read and write latency combined with high IOPS and throughput. This offering is well suited to support data intensive workloads such as SQL Server, Oracle Database, Cassandra, and Mongo DB.
With Premium SSD v2, you can provision the IOPS and throughput you need without necessarily purchasing additional storage capacity (see table below). As a result, you can cost-effectively scale performance when deploying transaction-intensive workloads. Premium SSD v2 provides a baseline performance of 3,000 IOPS and 125 MB/s for any disk size that is offered at no additional cost. Disk storage capacity can range from a minimum of 1 GiB to a maximum of 64 TiBs.
Currently, only locally redundant storage (LRS) configurations are supported.
Snapshots (in preview)
You can store incremental snapshots for Premium SSD v2 only on Standard storage. They are charged at
$-
/GB per month for both Standard LRS and ZRS snapshot options of the storage occupied by the delta changes since the last snapshot. For example, you are using a managed disk with provisioned size of 128 GB and a used size of 10 GB. The first incremental snapshot is billed only for the used size of 10 GB. Before you create the second snapshot, 20 GB of data is added to the disk. Now, the second incremental snapshot is billed for only 20 GB.
Pricing
The total cost of Premium SSD v2 Disk Storage will depend on the size and number of disks you provision and their configurations.
Premium SSD v2 disks will be billed hourly and provide different disk sizes with a configurable range of input/output operations per second (IOPS) and throughput measured in MB/s. You can choose the configuration that best meets your workload requirements in terms of storage capacity, IOPS, and throughput. Disk storage capacity, IOPS, and throughput will be charged separately.
Premium SSD v2 currently supports locally redundant storage (LRS). Please refer to
Azure Storage replication page
for more details on redundancy options.
The following table summarizes the pricing structure for Premium SSD v2:
Standard SSD
Standard SSDs, a low-cost SSD offering, are optimized for test and entry-level production workloads requiring consistent latency. Standard SSDs can also be used for big data workloads that require high throughput. Standard SSDs deliver lower latency compared to Standard HDDs, while improving reliability and scalability for your applications, and are available with all Azure VM sizes. Standard SSDs can be easily upgraded to Premium SSDs for more demanding and latency-sensitive enterprise workloads. Standard SSDs come with the same industry leading durability and availability that you expect from Premium SSDs.
The total cost of Standard SSDs storage depends on the size and number of disks, the number of transactions, and the number of
outbound data transfers
. Standard SSDs support both locally-redundant storage (LRS) and zone-redundant storage (ZRS) options. Please refer to
Azure Storage replication page
for more details on redundancy options. Standard SSDs with ZRS are currently generally available in select regions with more regional availability to come. When using
Azure shared disks
on Standard SSDs, each additional mount of disk is charged per month based on the disk size. Shared disk pricing is the same for either LRS or ZRS option.
Snapshots
You can store full snapshots and images for Standard SSDs on Standard HDD storage. You can choose between locally-redundant (LRS) and zone redundant (ZRS) snapshot options. These snapshots and images are charged at
$0.05
/GB per month for both Standard LRS and ZRS options based on the used portion of the disk. For example, if you create a snapshot of a managed disk with provisioned capacity of 128 GB and actual used data size of 10 GB, snapshot will be billed only for the used data size of 10 GB. If you choose to store them on SSD storage, you’ll be charged at
$-
/GB per month.
You can store incremental snapshots for Premium SSDs only on Standard storage. They are charged at
$0.05
/GB per month for both Standard LRS and ZRS snapshot options of the storage occupied by the delta changes since the last snapshot. For example, you are using a managed disk with provisioned size of 128 GB and used size of 100 GB. The first incremental snapshot is billed only for the used size of 100 GB. 20 GB of data is added on the disk before you created the second snapshot. Now, the second incremental snapshot is billed for only 20 GB.
Bursting
For E30 disks and smaller,
credit-based bursting
is enabled by default with no additional costs. You can boost your performance up to 1,000 IOPS and 250 MB/s for up to 30 min to handle spiky traffic, process batch jobs, and improve boot times.
Max total price per month
Max IOPS (Max IOPS w/ bursting)
Max throughput (Max throughput w/ bursting)
Price per mount per month (Shared Disk)
We charge
$-
per 10,000 transactions per hour for Standard SSDs, up to the maximum paid transactions per hour listed in the table for each Standard SSD disk. Any transactions that exceed the maximum hourly limit will not incur additional charges. Any type of operation against the storage is counted as a transaction, including reads, writes and deletes. We use IO unit size of 256 KiB for counting the billable transaction units. Please refer to
Standard SSD documentation
for more information.
Max total price per month
Max IOPS (Max IOPS w/ bursting)
Max throughput (Max throughput w/ bursting)
Price per mount per month (Shared Disk)
We charge
$-
per 10,000 transactions per hour for Standard SSDs, up to the maximum paid transactions per hour listed in the table for each Standard SSD disk. Any transactions that exceed the maximum hourly limit will not incur additional charges. Any type of operation against the storage is counted as a transaction, including reads, writes and deletes. We use IO unit size of 256 KiB for counting the billable transaction units. Please refer to
Standard SSD documentation
for more information.
Standard HDD
Standard HDDs use Hard Disk Drive (HDD) based Storage media. They are best suited for dev/test and other infrequent access workloads that are less sensitive to performance variability.
The total cost of Standard HDDs depends on the size and number of disks, the number of transactions, and the number of
outbound data transfers.
Standard HDDs only support locally redundant storage (LRS). Please refer to
Azure Storage replication page
for more details on redundancy options.
Snapshots
Full snapshots and images are charged at
$-
/GB per month for both LRS and ZRS snapshot options based on the used portion of the disk. For example, if you create a snapshot of a managed disk with provisioned capacity of 64 GB and actual used data size of 10 GB, snapshot will be billed only for the used data size of 10 GB.
Incremental snapshots for Standard HDDs are charged at
$0.05
/GB per month for both LRS and ZRS snapshot options based on the storage occupied by the delta changes since the last snapshot. For example, you are using a managed disk with provisioned size of 128 GB and used size of 100 GB. The first incremental snapshot is billed only for the used size of 100 GB. 20 GB of data is added on the disk before you created the second snapshot. Now, the second incremental snapshot is billed for only 20 GB.
Ultra Disk
Ultra Disk is our next generation high performance Solid State Drive (SSD) with configurable performance attributes that provides the lowest latency and consistent high IOPS/throughput. Ultra Disk offers unprecedented and extremely scalable performance with sub-millisecond latency. As a customer you can start small on IOPS and throughput and adjust your performance as your workload becomes more IO intensive.
The total cost of Ultra Disk depends on the size of the disk and its performance configuration and will be affected by the number of disks.
Ultra Disk is available in different sizes that provide a configurable range of input/output operations per sec (IOPS), and a configurable range of throughput (MB/s), and is billed on an hourly rate. You choose the option that best meets your required storage size, IOPS, and throughput. Ultra Disk only supports locally redundant storage (LRS). Please refer to
Azure Storage replication page
for more details on redundancy options.
The following table summarizes the different configurations supported for different disk sizes:
*
This reservation charge is only imposed if you enable Ultra Disk compatibility on the VM without attaching an Ultra Disk.
**
Price is based on 730 hours per month.
Ultra Disk Configuration
Hourly Price
Monthly Price**
Ultra Disk is billed based on the provisioned size, provisioned IOPS and provisioned throughput. Azure maps the provisioned size (rounded up) to the nearest disk size offer. Each disk is billed accordingly on an hourly basis. For example, if you provisioned a 200 GiB Ultra Disk, with 20,000 IOPS and 1,000 MB/second and deleted it after 20 hours, it will map to the disk size offer of 256 GiB and you'll be billed for the 256 GiB, 20,000 IOPS and 1,000 MB/second for 20 hours. This is regardless of the amount of actual data and number of IOs written to the disk.
There is no charge per mount for shared Ultra Disks. You are charged for the capacity and total IOPS and throughput on the disk. For more details, refer to the
shared disk documentation
.
Ultra Disk only supports locally redundant storage (LRS). Please refer to
Azure Storage replication page
for more details on redundancy options.
Snapshots (in preview)
You can store incremental snapshots for Ultra Disk only on Standard storage. They are charged at
$-
/GB per month for both Standard LRS and ZRS snapshot options of the storage occupied by the delta changes since the last snapshot. For example, you are using a managed disk with provisioned size of 128 GB and a used size of 10 GB. The first incremental snapshot is billed only for the used size of 10 GB. Before you create the second snapshot, 20 GB of data is added to the disk. Now, the second incremental snapshot is billed for only 20 GB.
Disk pool (in preview)
Disk pool (in preview) allows you to access high-performance, durable block storage on Azure for your data-intensive and transaction-heavy workloads running on Azure VMware Solution. You will be charged a monthly service fee on the disk pool and the price of individual disks created and attached. You can choose from Basic, Standard, and Premium tiers of disk pools based on your performance needs. Learn more about disk pool (in preview)
here
.
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If I attach an S10 or P10 disk to my virtual machine, will I be charged for the entire amount shown above, or just the storage space I use?
You will be charged the same rate for your provisioned disk, regardless of how much of the disk space is being used.
The prices shown are the monthly prices. How do I get charged if I use disks for less than a month?
The charges will be pro-rated on an hourly basis using the monthly price. For instance, Premium SSD for P15 is
$-
(price may vary per region). For October, you will be billed per
$-
/(31 days x 24 hours) =
$-
/hour
How do I calculate pricing for Premium SSD v2 Disk Storage?
The total cost of Premium SSD v2 Disk Storage depends on the size and number of disks you provision, and their respective configurations in terms of provisioned IOPS and throughput.
For example, if you have an application that requires three different disks with the following characteristics:
Disk 1 - 64 GiBs, 2,000 IOPS and 120 MB/s of throughput
Disk 2 - 256 GiBs, 4,000 IOPS and 100 MB/s of throughput
Disk 3 - 1,024 GiBs, 15,000 IOPS and 1,200 MB/s of throughput
The monthly cost for each Premium SSD v2 Disk, in a Locally Redundant Storage (LRS) configuration, in the East US region will be:
Prices are subject to change depending on the region you choose.
How do I calculate the maximum price for Standard SSD Disk Storage?
The total monthly price of a Standard SSD disk has two components:
(a) the storage cost associated with the disk size and
(b) a variable component that depends on the number of transactions per hour that are taking place during the month.
For example, if you select a 4 GiBs E1 Standard SSD SKU, with locally redundant storage (LRS), and perform an average of 4,000 transactions per hour, your total price will be
(a)
$-
/ month + (b) 4,000 transactions per hour * (
$-
/10,000 transactions) * 730 hours per each month =
$-
+
$-
=
$-
/ month.
Note: 730 hours per month is calculated by dividing the total number of hours in a year 24 hours * 365days divided by 12 months = 730 hours in a month.
Conversely, if you selected the same disk size, with locally redundant storage (LRS), and your workload performed 8,000 transactions per hour, your total price will be (a)
$-
/ month + (b)
$-
=
$-
/ month.
In other words, the additional 8,000 – 6,800 = 1,200 transactions per hour would be offered at no additional charge.
