Differences Between VMware vSphere, vCenter, ESXi Free vs ESXi Paid, Workstation Player & Pro
What is VMware vCenter Server (formerly VMware VirtualCenter)? | Definition from TechTarget
A quick look at VMware vSphere Editions and Licensing
VMware ESXi and vCenter licensing in VMware vSphere
VMware vSphere Essentials Kit ( v. 6 ) - subscription license ( 1 year ) This is Essential Support to be Purchased with tem #: 32-331-029|Mfr. Part #: VS6-ESSL-KIT-C - Newegg.com
Do you know vSphere ROBO Standard and Advanced Editions