VMware vSphere ESX 6.5 and vCenter 6.5 Configuration Maximums

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　　The following listings are a comprehensive collection of configuration maximums from VMware products.
　　

Virtual Machine Maximums
ESX 6.5ESX 6.0ESX 5.5ESX 5.1ESX 5ESX 4.1ESX 4.0ESX 3.5ESX 3ESX 2ESX 1Virtual CPUs per virtual machine128128646432884421RAM per virtual machine6TB4TB1TB1TB1TB255GB255GB65GB16GB3,6GB2GBVirtual SCSI adapters per virtual machine44444444444Virtual SCSI targets per virtual SCSI adapter151515







Virtual SCSI targets per virtual machine606060







Virtual NVMe adapters per virtual machine4









Virtual NVMe targets per virtual SCSI
adapter15









Virtual NVMe targets per virtual machine60









Virtual SATA adapters per virtual machine444







Virtual SATA devices per virtual SATA adapter303030







Virtual disk size62TB62TB62TB2TB2TB2TB2TB2TB2TB

IDE controllers per virtual machine11111111


IDE devices per virtual machine44444444


Floppy controllers per virtual machine1111111111
Floppy devices per virtual machine2222222222
Virtual NICs per virtual machine101010101010104444USB controllers per virtual machine111111




USB devices connected to a virtual machine202020202020




Parallel ports per virtual machine3333333331
USB 3.0 devices per virtual machine11111





Concurrent remote console connections404040404040401010

Video memory per virtual machine2 GB512MB512MB







　　

Host Maximums
ESX 6.5ESX 6.0ESX 5.5ESX 5.1ESX 5ESX 4.1ESX 4.0ESX 3.5ESX 3ESX 2ESX 1Logical CPUs per host576480320160160160643232168Virtual machines per host102410245125125123203201281288064Virtual CPUs per host409640964096204820485125121281288064Virtual CPUs per core323232252525208888RAM per host12TB12TB4TB2TB2TB1TB1TB256GB256GB64GB64GBLUNs per server512256256256256256256



　　

vCenter Server Maximums
vCenter Server MaximumsESX 6.5ESX 6.0ESX 5.5ESX 5.1ESX 5ESX 4.1ESX 4.0ESX 3.5ESX 3Hosts per vCenter Server200010001000100010001000300200200Powered on virtual machines25000100001000010000100001000030002000
Registered virtual machines35000150001500015000150001500045002000
Linked vCenter Servers10101010101010

Hosts in linked vCenter Servers4000400030003000300030001000

Powered on virtual machines in linked vCenter30000300003000030000300003000010000

Registered virtual machines in linked vCenter50000500005000050000500005000015000

Concurrent Client connections6018010010010010030

Number of host per datacenter2000500500500500400100

MAC addresses per vCenter Server6553665536655366553665536



USB devices connected at vSphere Client
20202020



　　

Cluster and Resource Pool Maximums
ESX 6.5ESX 6.0ESX 5.5ESX 5.1ESX 5ESX 4.1ESX 4.0ESX 3.5Hosts per cluster6464323232323232Virtual machines per cluster8000400040004000300030001280
Virtual machines per host10241024512512512320100
Maximum concurrent host HA failover


323244
Failover as percentage of cluster


100%100%50%50%
Resource pools per cluster16001600160016001600512512128Resource pools per host16001600160016001600
4096
Children per resource pool110011001024102410241024

Resource pool tree depth8888881212　　

Network Maximums
ESX 6.5ESX 6.0ESX 5.5ESX 5.1ESX 5ESX 4.1ESX 4.0ESX 3.5ESX 3Total virtual network switch ports per host4096409640964096409640964096127
Maximum active ports per host10161016101610501016101610161016
Virtual network switch creation ports4088408840884088408840884088

Port groups512512512256256512512512
Distributed virtual network switch ports per vCenter6000060000600006000030000200006000

Static port groups per vCenter1000010000100001000050005000512

Ephemeral port groups per vCenter1016101610162562561016


Hosts per distributed switch2000100050050035035064

Distributed switches per vCenter128128128128323216

VMDirectPath PCI/PCIe devices per host8888888

VMDirectPath PCI/PCIe devices per virtual machine444444


Concurrent vMotion operations per host (1Gb/s network)4444422

Concurrent vMotion operations per host (10Gb/s network)88888



　　

Storage Maximums
ESX 6.5ESX 6.0ESX 5.5ESX 5.1ESX 5ESX 4.1ESX 4.0ESX 3.5ESX 3Software iSCSI  NICs per server888888


Number of total paths on a server204810241024102410241024


Number of paths to a iSCSI LUN888888


Software iSCSI targets256256256256256256256

NFS mounts per host2562562562562566464

FC LUNs per host512256256256256256256256256FC LUN ID163831023255255255255255255255FC Number of paths to a LUN323232323232323232Number of HBAs of any type8888888

HBA ports1616161616161616
Targets per HBA25625625625625625625615
Software FCoE adapters44444



Volumes per host512256256256256256256256
Hosts per volume6464646464646432
Powered on virtual machines per VMFS volume20482048204820482048
256

Concurrent vMotion operations per datastore128128128128128



Concurrent Storage vMotion operations per datastore88888



Concurrent Storage vMotion operations per host22222



Concurrent non vMotion provisioning operations per host88888



VMFS Volume size64TB64TB64TB64TB64TB64TB64TB64TB
Virtual disks per datastore cluster900090009000





Datastores per datastore cluster646464





Datastore clusters per vCenter256256256





　　

Fault Tolerance Maximums
ESX 6.5ESX 6.0ESX 5.5ESX 5.1ESX 5.0Virtual disks16161616
Virtual CPUs per virtual machine44111RAM per FT VM64 GB64GB64GB64GB64GBVirtual machines per host44444　　

Virtual SAN Maximums
ESX 6.5ESX 6.0ESX 5.5Virtual SAN disk groups per host555Magnetic disks per disk group777SSD disks per disk group111Spinning disks in all diskgroups per host353535Components per Virtual SAN host900090003000Number of Virtual SAN nodes in a cluster646432Number of Virtual SAN nodes in a cluster (All-Flash)32

Number of datastores per cluster111Virtual machines per host200200100Virtual machines per cluster600064003200Virtual machine virtual disk size62TB62TB2032GBDisk stripes per object121212Percentage of flash read cache reservation100100100Failure to tolerate333Percentage of object space reservation100100100Virtual SAN networks/physical network fabrics222