What is new with Virtual Hardware Version 11 in vSphere 6?

Virtual Hardware Version 11 has below listed features.

xHCI controller updated to version 1.0:

USB 3 support for Mac OS X 10.8, Windows Server 2012, and Windows 8 operating systems. This controller is also backward compatible with USB 2.0 and USB 1.0.

 

Windows VMXNET3 driver support:

Supports large receive offload, resulting in reduced associated CPU costs by reducing network packet processing.

Enhanced NUMA feature:

Hot-add local memory is distributed across all NUMA nodes. In earlier versions, when you add memory to your server, it used to get allocated to only single NUMA node.

Guest authentication:

Support for Windows 2000 and later, Linux kernels 2.4 and later, and Solaris operating systems.

Host Guest File System (HGFS) shared folder driver:

Allows sharing of a folder between the virtual machine and the host system. Use this driver if you plan to use the virtual machine with VMware WorkStation™, VMware Player™, or VMware Fusion®.

Increased vCPU capacity:

Hardware version 11 virtual machines can support up to 128 virtual CPUs. However make sure you have licensing requirements fulfilled for the same. Also Guest VM operating system need to support multiple CPU.

Increased RAM capacity: 

Hardware version 11 virtual machines support up to 4 TB of RAM. Check your guest operating system maximum limits as well before you allocate this much amount of memory.

Increased serial port configuration:

Hardware version 11 virtual machines can be configured with up to 32 serial ports.