FXmsv2 sizes series

The FXmsv2-series Virtual Machine (VM) runs on the 5th Generation Intel® Xeon® Platinum 8573C (Emerald Rapids) processor in a hyper threaded configuration. FXv2-series VMs features an all-core-turbo frequency up to 4.0 GHz. These virtual machines offer up to 96 vCPU and up to 1832 GiB of RAM.  The FXmsv2-series benefits workloads that are ideal for memory-intensive enterprise applications requiring a high memory to CPU ratio, high performance, high CPU clock speed, higher remote storage IOPs and throughput. Typical use-cases for FX-series are the Electronic Design Automation (EDA) and SQL workloads

FXmsv2-series virtual machines don't support local storage, thus offering a lower price point for entry. You can attach Standard SSDs, Standard HDDs, Premium SSDs, and Premium SSD v2 storage to these virtual machines. You can also attach Ultra Disk storage based on its regional availability. Disk storage is billed separately from virtual machines.

Host specifications

Part	Quantity ^{Count Units}	Specs ^{SKU ID, Performance Units, etc.}
Processor	2 - 96 vCPUs	Intel Xeon Platinum 8573C (Emerald Rapids) [x86-64]
Memory	42 - 1,832 GiB
Local Storage	None
Remote Storage	8 - 64 Disks	8,000 - 400,000 IOPS 273 - 10,000 MBps
Network	2 - 8 NICs	12,500 - 70,000 Mbps Interfaces: NetVSC, MANA
Accelerators	None

For features supported by this series, see the Feature support section.

Sizes in series

vCPUs (Qty.) and Memory for each size

Size Name	vCPUs (Qty.)	Memory (GiB)
Standard_FX2ms_v2	2	42
Standard_FX4ms_v2	4	84
Standard_FX8ms_v2	8	168
Standard_FX12ms_v2	12	252
Standard_FX16ms_v2	16	336
Standard_FX24ms_v2	24	504
Standard_FX32ms_v2	32	672
Standard_FX48ms_v2	48	1,008
Standard_FX64ms_v2	64	1,344
Standard_FX96ms_v2	96	1,832

VM Basics resources

Check vCPU quotas

Remote (uncached) storage info for each size

Size Name	Max Remote Storage Disks (Qty.)	Uncached Premium SSD IOPS	Uncached Premium SSD Throughput (MBps)	Uncached Premium SSD Burst IOPS	Uncached Premium SSD Burst Throughput (MBps)	Uncached Ultra Disk and Premium SSD v2 IOPS	Uncached Ultra Disk and Premium SSD v2 Throughput (MBps)	Uncached Burst Ultra Disk and Premium SSD v2 IOPS	Uncached Burst Ultra Disk and Premium SSD v2 Throughput (MBps)
Standard_FX2ms_v2	8	8,000	273	40,000	1,250	12,000	300	60,000	1,375
Standard_FX4ms_v2	12	16,000	545	65,000	1,800	21,400	600	86,938	1,980
Standard_FX8ms_v2	24	33,000	1,091	65,000	1,800	44,200	1,200	87,061	1,980
Standard_FX12ms_v2	48	49,500	1,636	67,500	2,400	66,300	1,750	90,409	2,567
Standard_FX16ms_v2	48	66,000	2,182	70,000	3,000	88,400	2,300	93,758	3,163
Standard_FX24ms_v2	48	98,000	3,273	105,000	4,500	131,300	3,550	140,679	4,881
Standard_FX32ms_v2	64	130,000	4,364	140,000	6,000	174,200	4,800	187,600	6,600
Standard_FX48ms_v2	64	190,000	6,545	200,000	9,000	253,300	7,300	266,632	10,038
Standard_FX64ms_v2	64	220,000	8,727	230,000	9,750	294,800	9,600	308,200	10,725
Standard_FX96ms_v2	64	260,000	10,000	260,000	10,625	400,000	11,250	400,000	12,000

Storage resources

Table definitions

Some sizes support bursting to temporarily increase disk performance. Burst speeds can be maintained for up to 30 minutes at a time.
Storage capacity is shown in units of GiB or 1024^3 bytes. When you compare disks measured in GB (1000^3 bytes) to disks measured in GiB (1024^3) remember that capacity numbers given in GiB may appear smaller. For example, 1023 GiB = 1098.4 GB.
Disk throughput is measured in input/output operations per second (IOPS) and MBps where MBps = 10^6 bytes/sec.
Data disks can operate in cached or uncached modes. For cached data disk operation, the host cache mode is set to ReadOnly or ReadWrite. For uncached data disk operation, the host cache mode is set to None.
To learn how to get the best storage performance for your VMs, see Virtual machine and disk performance.

Network interface info for each size

Size Name	Max NICs (Qty.)	Max Network Bandwidth (Mbps)
Standard_FX2ms_v2	2	12,500
Standard_FX4ms_v2	2	25,000
Standard_FX8ms_v2	4	25,000
Standard_FX12ms_v2	4	25,000
Standard_FX16ms_v2	8	25,000
Standard_FX24ms_v2	8	50,000
Standard_FX32ms_v2	8	50,000
Standard_FX48ms_v2	8	50,000
Standard_FX64ms_v2	8	50,000
Standard_FX96ms_v2	8	70,000

Networking resources

Table definitions

Expected network bandwidth is the maximum aggregated bandwidth allocated per VM type across all NICs, for all destinations. For more information, see Virtual machine network bandwidth
Upper limits aren't guaranteed. Limits offer guidance for selecting the right VM type for the intended application. Actual network performance will depend on several factors including network congestion, application loads, and network settings. For information on optimizing network throughput, see Optimize network throughput for Azure virtual machines.
To achieve the expected network performance on Linux or Windows, you may need to select a specific version or optimize your VM. For more information, see Bandwidth/Throughput testing (NTTTCP).

Feature support

Feature name	Support status
Premium Storage	Supported
Premium Storage caching	Supported
Live Migration	Supported
Memory Preserving Updates	Supported
Generation 2 VMs	Supported
Generation 1 VMs	Not Supported
Accelerated Networking	Supported
Ephemeral OS Disk	Not Supported
Nested Virtualization	Supported
NVMe storage	Supported
Constrained core	Supported

Other size information

List of all available sizes: Sizes

Pricing Calculator: Pricing Calculator

Information on Disk Types: Disk Types

Next steps

Take advantage of the latest performance and features available for your workloads by changing the size of a virtual machine.

Utilize Microsoft's in-house designed ARM processors with Azure Cobalt VMs.

Learn how to Monitor Azure virtual machines.

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Last updated on 2026-07-27