As was already announced vRAM limits are gone from commercial vSphere licensing packages, the same on ESXi5 free version. But it doesn’t mean that ESXi 5 free version has not physical and functional limits.
Limitations:
- Hard limit on physical RAM up to 32GB RAM – server will not boot if there is more RAM installed
- Not writable API – you can’t execute PowerCLI scripts against ESXi free version
- No clonning of VM
- No Alarms support
- No SNMP support
Features:
- Number of CPU sockets are not limited
- manageability by vSphere client