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title: DCsv3 and DCdsv3-series - Azure Virtual Machines
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description: Specifications for the DCsv3 and DCdsv3-series VMs.
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author: mmcrey
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title: DCsv3 and DCdsv3-series
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description: Specifications for the DCsv3 and DCdsv3-series Azure Virtual Machines.
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author: linuxelf001
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ms.service: virtual-machines
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ms.subservice: vm-sizes-general
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ms.subservice: sizes
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ms.topic: conceptual
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ms.date: 11/01/2021
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ms.author: mmcrey
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ms.date: 05/24/2022
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ms.author: raginjup
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ms.custom: ignite-fall-2021
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---
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# DCsv3 and DCdsv3-series
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**Applies to:**:heavy_check_mark: Linux VMs :heavy_check_mark: Windows VMs :heavy_check_mark: Flexible scale sets :heavy_check_mark: Uniform scale sets
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> [!IMPORTANT]
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> DCsv3 and DCdsv3 are in public preview as of November 1st, 2021.
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The DCsv3 and DCdsv3-series Azure Virtual Machines help protect the confidentiality and integrity of your code and data while they're being processed in the public cloud. By using Intel® Software Guard Extensions and Intel®[Total Memory Encryption - Multi Key](https://itpeernetwork.intel.com/memory-encryption/), customers can ensure their data is always encrypted and protected in use.
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The DCsv3 and DCdsv3-series virtual machines help protect the confidentiality and integrity of your code and data whilst it’s processed in the public cloud. By leveraging Intel® Software Guard Extensions and Intel® Total Memory Encryption - Multi Key, customers can ensure their data is always encrypted and protected in use.
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These machines are powered by the latest 3rd Generation Intel® Xeon Scalable processors, and use Intel® Turbo Boost Max Technology 3.0 to reach 3.5 GHz.
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These machines are powered by the latest 3rd Generation Intel® Xeon Scalable processors, and leverage Intel® Turbo Boost Max Technology 3.0 to reach 3.5 GHz.
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With this generation, CPU Cores have increased 6x (up to a maximum of 48 physical cores), Encrypted Memory (EPC) has increased 1500x to 256GB, Regular Memory has increased 12x to 384GB. All these changes substantially improve the performance gen-on-gen and unlock new entirely new scenarios.
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With this generation, CPU Cores have increased 6x (up to a maximum of 48 physical cores). Encrypted Memory (EPC) has increased 1500x to 256 GB. Regular Memory has increased 12x to 384 GB. All these changes substantially improve the performance and unlock new entirely new scenarios.
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> [!NOTE]
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> Hyperthreading is disabled for added security posture. Pricing is the same as Dv5 and Dsv5-series per physical core.
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We are offering two variants dependent on whether the workload benefits from a local disk or not. Whether you choose a VM with a local disk or not, you can attach remote persistent disk storage to all VMs. Remote disk options (such as for the VM boot disk) are billed separately from the VMs in any case, as always.
[Nested Virtualization](/virtualization/hyper-v-on-windows/user-guide/nested-virtualization): Not Supported <br>
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## DCsv3-series Technical specifications
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There are two variants for each series, depending on whether the workload benefits from a local disk or not. You can attach remote persistent disk storage to all VMs, whether or not the VM has a local disk. As always, remote disk options (such as for the VM boot disk) are billed separately from the VMs in any case.
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Dcsv3-series instances run on a 3rd Generation Intel® Xeon Scalable Processor 8370C. The base All-Core frequency is 2.8 GHz. [Turbo Boost Max 3.0](https://www.intel.com/content/www/us/en/gaming/resources/turbo-boost.html) is enabled with a max frequency of 3.5 GHz.
- Create DCsv3 and DCdsv3 VMs using the [Azure portal](./linux/quick-create-portal.md)
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- DCsv3 and DCdsv3 VMs are [Generation 2 VMs](./generation-2.md#creating-a-generation-2-vm) and only support `Gen2` images.
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- Currently available in the regions listed in [Azure Products by Region](https://azure.microsoft.com/global-infrastructure/services/?products=virtual-machines®ions=all).
- Create DCsv3 and DCdsv3 VMs using the [Azure portal](./linux/quick-create-portal.md)
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- DCsv3 and DCdsv3 VMs are [Generation 2 VMs](./generation-2.md#creating-a-generation-2-vm) and only support `Gen2` images.
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- Currently available in the regions listed in [Azure Products by Region](https://azure.microsoft.com/global-infrastructure/services/?products=virtual-machines®ions=all).
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