VMware has updated some of the previous ESXi 6.5 maximums in the release of ESXi 6.7. Most of the usual CPU and memory specifications have stayed the same, but other changes are listed below.

For Example: Fault Tolerant VMs get another upgrade and can be now bumped to 8 vCPUs.

Virtual Machine Maximums 6.5 6.7
Persistent Memory – NVDIMM controllers per VM N/A 1
Persistent Memory – Non-volatile memory per virtual machine N/A 1024GB
Storage Virtual Adapters and Devices – Virtual SCSI targets per virtual SCSI adapter 15 64
Storage Virtual Adapters and Devices – Virtual SCSI targets per virtual machine 60 256
Networking Virtual Devices – Virtual RDMA Adapters per Virtual Machine N/A 1
ESXi Host Maximums 6.5 6.7
Fault Tolerance maximums – Virtual CPUs per virtual machine 4 8
Fault Tolerance maximums – RAM per FT VM 64GB 128GB
Host CPU maximums – Logical CPUs per host 576 768
ESXi Host Persistent Memory Maximums – Maximum Non-volatile memory per host N/A 1TB
ESXi Host Memory Maximums – Maximum RAM per host 12TB 16TB
Fibre Channel – Number of total paths on a server 2048 4096
Common VMFS – Volumes per host 512 1024
iSCSI Physical – LUNs per server 512 1024
iSCSI Physical – Number of total paths on a server 2048 4096
Fibre Channel – LUNs per host 512 1024
Virtual Volumes – Number of PEs per host 256 512