VMware announced the release of vSphere 5.5 during the First day of VMworld  in San Francisco and the general availability has not yet been disclosed. vSphere 5.5 introduced with lot of enhancements as compared with the previous versions. In everyone’s mind first thought about new release is configuration maximum. How big the platform supports.Below are the New configuration maximum of vSphere 5.5 which is increased 2 times as compared with vSphere 5.1.

New Configuration Maximums in vSphere 5.5

vSphere 5.5 supports 320 Physical CPUs per ESXi host (was 160 PCPU in vSphere 5.1)

ESXi host supports 4 TB of Memory in vSphere 5.5 (was 2TB in vSphere 5.1)

16 NUMA Nodes per host in vSphere 5.5 (8 NUma Nodes in vSphere 5.1)

4096 Maximum vCPUs per host ( maximum 2048 vCPUs in vSphere 5.1)

Support for 40 GBps Physical Network adapters

62 TB VMDK virtual disk support (was 2TB VMDK Max in vSphere 5.1)

Supports 16 GB FibreChannel end-to-end Support

Increased VMFS Heap, 64TB open VMDK per host max

Virtual Machine Hardware Version 10 in vSphere 5.5 (was VM HW version 9 in vSphere 5.1)

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