Information Technology Reference
In-Depth Information
Table 1.2:
VMware ESXi maximums
VMware
ESXi .
Maximum
VMware
ESXi .
Maximum
Component
VMware ESX/ESXi . Maximum
Number of virtual
CPUs per host
4,096
2,048
512
Number of logical
CPUs (hyper-
threading enabled)
320
160
64
Number of virtual
CPUs per core
32
25
20 (increased to 25 in Upd ate 1)
Amount of RAM
per host
4TB
2 TB
1 TB
Figure 1.1
h e VMkernel is
the foundation of
the virtualization
functionality found
in VMware ESXi
VMkernel
These are just some of the coni guration maximums. Where appropriate, future chapters will
include additional values for VMware ESXi maximums for network interface cards (NICs), stor-
age, VMs, and so forth.
Given that VMware ESXi is the foundation of virtualization within the vSphere product suite,
you'll see content for VMware ESXi throughout the topic. Table 1.1, earlier in this chapter, tells
