New vSphere 6 virtual machine features

vSphere 6 brings a handful of new features with the introduction of a new virtual machine compatibility level. The new enhancements include:

  • Support for 128 vCPUs
  • Support for 4 TB of RAM
  • Serial and parallel port enhancements
  • USB 3.0 xHCI controller
  • WDDM 1.1 GDI acceleration
  • Hot-add RAM enhancements to vNUMA

Prior to vSphere 6.0, when virtual NUMA was in use, all memory was allocated to region 0 in the event of hot-add. Now, when a vNUMA virtual machine has memory hot-added to it, that memory is allocated equally across all NUMA regions.

Serial and parallel ports can be removed from a virtual machine using vSphere 6.0 compatibility (virtual hardware version 11). Also, a virtual machine may now have up to 32 serial ...

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