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Copy file name to clipboardExpand all lines: articles/virtual-machines/enable-nvme-faqs.yml
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NVM Express (NVMe) is a communication protocol that facilitates faster and more efficient data transfer between servers and storage systems by using nonvolatile memory (NVM). With NVMe, data can be transferred at the highest throughput and with the fastest response times.
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NVMe offers higher input/output operations per second (IOPS) and higher throughput in megabytes per second (MBps), which can significantly improve the performance of both temporary (local) and remote NVMe disk storage with [Azure managed disks](/azure/virtual-machines/managed-disks-overview). Higher performance is especially beneficial for I/O-intensive workloads that require fast data transfer to the Azure managed disks.
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NVMe offers higher input/output operations per second (IOPS) and higher throughput in megabytes per second (MBps). This capability can significantly improve the performance of both temporary (local) and remote NVMe disk storage with [Azure managed disks](/azure/virtual-machines/managed-disks-overview). Higher performance is especially beneficial for I/O-intensive workloads that require fast data transfer to the Azure managed disks.
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Which types of storage interfaces are supported in Azure VM families?
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Will Generation 1 VMs be supported with NVMe disks?
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No, there are no plans to support NVMe disks on Generation 1 VMs. If you think your workload benefits from NVMe performance, you must switch to the Generation 2 VMs. To create a Generation 2 VM, follow the [documented steps](azure/virtual-machines/generation-2#creating-a-generation-2-vm). If you try to use a Generation 1 VM image, either you won't be able to select an NVMe-capable VM, or you'll get this error message: "The selected image isn't supported for NVMe. See supported VM images".
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No, there are no plans to support NVMe disks on Generation 1 VMs. If you think your workload benefits from NVMe performance, you must switch to the Generation 2 VMs. To create a Generation 2 VM, follow the [documented steps](azure/virtual-machines/generation-2#creating-a-generation-2-vm). If you try to use a Generation 1 VM image, either you won't be able to select an NVMe-capable VM, or you'll get this error message: "The selected image isn't supported for NVMe. See supported VM images."
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What happens if the OS that I use is not tagged as NVMe supported?
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You can create an NVMe-supported VM only by using an image (Platform Image Repository and [Azure Compute Gallery](/azure/virtual-machines/shared-image-galleries?tabs=azure-cli)) that's tagged as NVMe. If you use an untagged image, a SCSI-based VM is created, and the VM might not perform as you intended. Be sure to follow all the [instructions](/azure/virtual-machines/enable-nvme-interface).
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To create VMs with an NVMe interface, it's essential to choose one of the [supported OS images](/azure/virtual-machines/enable-nvme-interface) tagged as NVMe. If your current OS image is not supported for NVMe, you'll get this error message: "The selected image isn't supported for NVMe. See supported VM images".
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To create VMs with an NVMe interface, it's essential to choose one of the [supported OS images](/azure/virtual-machines/enable-nvme-interface) tagged as NVMe. If your current OS image is not supported for NVMe, you'll get this error message: "The selected image isn't supported for NVMe. See supported VM images."
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:::image type="content" source="./media/enable-nvme/nvme-faq-2.png" alt-text="Screenshot of an example of choosing one of the supported operating system images on NVMe.":::
The following lists provide up-to-date information on which OS images are tagged as supported for remote NVM Express (NVMe).
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For specifics about which VM generations support which storage types, check the [documentation about VM sizes in Azure](/azure/virtual-machines/sizes).
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For specifics about which virtual machine (VM) generations support which storage types, check the [documentation about VM sizes in Azure](/azure/virtual-machines/sizes).
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For more information about enabling the NVMe interface on virtual machines created in Azure, review the [FAQ for remote NVMe disks](/azure/virtual-machines/enable-nvme-remote-faqs).
Copy file name to clipboardExpand all lines: articles/virtual-machines/enable-nvme-remote-faqs.yml
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Which Azure disk storage options are compatible with remote NVMe disks?
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NVMe sizes can be combined with Azure Premium SSD v1, Premium SSD v2, and Ultra Disk Storage. For more information on Azure disk offerings, refer to [Azure managed disk types](/azure/virtual-machines/disks-types).
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NVMe sizes can be combined with Azure Premium SSD v1, Premium SSD v2, and Ultra Disk Storage. For more information on Azure disk offerings, see [Azure managed disk types](/azure/virtual-machines/disks-types).
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Does Azure support live resizing on disks with NVMe VM sizes?
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wmic diskdrive get model,scsilogicalunit
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```
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:::image type="content" source="./media/enable-nvme/nvme-faq-7.png" alt-text="Screenshot of an example Powershell command to use NVMe on Windows.":::
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:::image type="content" source="./media/enable-nvme/nvme-faq-7.png" alt-text="Screenshot of an example PowerShell command to use NVMe on Windows.":::
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The ASAP attached disks are presented in the guest with the model string `Virtual_Disk NVME Premium`. The SCSI logical unit has the value for the portal-visible LUN ID incremented by 1.
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