Product : Red Hat, RHEV/3.6, RHEV
Feature : Max Cores per CPU, Host Config , Hypervisor
Content Owner:  Roman Macek
Summary
x86: 4TB
PPC: 2TB
Details
Max amount of physical RAM installed in host and recognized by RHEV is 4TB (4000GB) for x86 hosts and 2TB (2000GB) for PPC hosts.