Übersicht welche Windows 8 Version wieviel Speicher unterstützt.
| Version | Max. Ram 32-Bit | Max. Ram 64-Bit |
| Windows RT | 4 GB | — |
| Windows 8 | 4 GB | 192 GB |
| Windows 8 Pro | 4 GB | 512 GB |
| Windows 8 Enterprise | 4 GB | 512 GB |
| Windows Server 2012 Foundation | — | 64 GB |
| Windows Server 2012 Essentials | — | 64 GB |
| Windows Server 2012 Standard | — | 4 TB |
| Windows Server 2012 Datacenter | — | 4 TB |