VMware vSphere 5.5 vs. vSphere 6.0

This site explains the key differences between vSphere 5.5 and vSphere 6.0. An overview comparison from all vSphere Versions is available here.

vSphere 5.5vSphere 6.0
ReleasedSeptember 2013March 2015
Physical CPUs per host320480
Physical RAM per host4 TB12 TB
VMs per host5121000
vCPU per VM64128
vMEM per VM1 TB4 TB
VMDK Size62 TB62 TB
Cluster Size3264
FT Max vCPU1 vCPU4 vCPU
FT Supported Disk TypesEager-ZeroedLazy-Zeroed
Eager-Zeroed
Thin Provision
FT Supported FeaturesHA, DPM, SRM, VDSHA, DPM, SRM, VDS, Hot Configure FT, H/W Virtualization, Snapshot, Paravirtual Devices, Storage Redundancy
VM Hardware Version1011
VMFS Version5.605.61
ManagementvSphere Web Client
vSphere Client (C#)
vSphere Web Client
vSphere Client (C#)
Authentication ManagementSingle Sign-On 5.5Platform Services Controller
vMotionvMotion restricted to Datacenter objectvMotion across vCenters
vMotion across vSwitches
vMotion Network SupportL2 Network
max. 10ms RTT
L3 Network
max. 100ms RTT
Content LibraryNOYES
Certificate Authority (VMCA)NOYES
Virtual VolumesNOYES
Virtual SANVSAN 5.5VSAN 6.0
All-Flash VSANNOYES
VSAN Scale32 Nodes64 Nodes
VSAN Fault DomainsNOYES
vCenter TypeWindows
Linux (vCSA)
Windows
Linux (vCSA)
vCenter Linked ModeWindows only
Microsoft ADAM Replication
Windows & VCSA
Native Replication
vCSA Scale (vPostgres)100 Hosts
3000 VMs
1000 Hosts
10000 VMs

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