-
Windows 8: 128GB RAM
-
Windows 8 Professional, Enterprise: 512GB RAM
Windows Server 2012:
-
Server Standard, Datacenter, Server Storage Standard, MultiPoint Premium, Server HyperCore: 4TB RAM
-
Server Storage Workgroup, Server MultiPoint Standard, Server Win Foundation: 32GB RAM
-
Windows 8 Essentials Server Soultion: 64GB RAM
Physical Memory Limits: Windows 7
The following table specifies the limits on physical memory for Windows 7.
|
Version |
Limit in 32-bit Windows |
Limit in 64-bit Windows |
|
Windows 7 Ultimate |
4 GB |
192 GB |
|
Windows 7 Enterprise |
4 GB |
192 GB |
|
Windows 7 Professional |
4 GB |
192 GB |
|
Windows 7 Home Premium |
4 GB |
16 GB |
|
Windows 7 Home Basic |
4 GB |
8 GB |
|
Windows 7 Starter |
2 GB |
2 GB |
Physical Memory Limits: Windows Server 2008 R2
The following table specifies the limits on physical memory for Windows Server 2008 R2. Windows Server 2008 R2 is available only in 64-bit editions.
|
Version |
Limit in 64-bit Windows |
|
Windows Server 2008 R2 Datacenter |
2 TB |
|
Windows Server 2008 R2 Enterprise |
2 TB |
|
Windows Server 2008 R2 for Itanium-Based Systems |
2 TB |
|
Windows Server 2008 R2 Foundation |
8 GB |
|
Windows Server 2008 R2 Standard |
32 GB |
|
Windows HPC Server 2008 R2 |
128 GB |
|
Windows Web Server 2008 R2 |
32 GB |
Physical Memory Limits: Windows Server 2008
The following table specifies the limits on physical memory for Windows Server 2008. Limits greater than 4 GB for 32-bit Windows assume that PAE is enabled.
|
Version |
Limit in 32-bit Windows |
Limit in 64-bit Windows |
|
Windows Server 2008 Datacenter |
64 GB |
2 TB |
|
Windows Server 2008 Enterprise |
64 GB |
2 TB |
|
Windows Server 2008 HPC Edition |
Not applicable |
128 GB |
|
Windows Server 2008 Standard |
4 GB |
32 GB |
|
Windows Server 2008 for Itanium-Based Systems |
Not applicable |
2 TB |
|
Windows Small Business Server 2008 |
4 GB |
32 GB |
|
Windows Web Server 2008 |
4 GB |
32 GB |
Physical Memory Limits: Windows Vista
The following table specifies the limits on physical memory for Windows Vista.
|
Version |
Limit in 32-bit Windows |
Limit in 64-bit Windows |
|
Windows Vista Ultimate |
4 GB |
128 GB |
|
Windows Vista Enterprise |
4 GB |
128 GB |
|
Windows Vista Business |
4 GB |
128 GB |
|
Windows Vista Home Premium |
4 GB |
16 GB |
|
Windows Vista Home Basic |
4 GB |
8 GB |
|
Windows Vista Starter |
1 GB |
Not applicable |
Physical Memory Limits: Windows Home Server
Windows Home Server is available only in a 32-bit edition. The physical memory limit is 4 GB.
Physical Memory Limits: Windows Server 2003
The following table specifies the limits on physical memory for Windows Server 2003. Limits over 4 GB for 32-bit Windows assume that PAE is enabled.
|
Version |
Limit in 32-bit Windows |
Limit in 64-bit Windows |
|
Windows Server 2003 with Service Pack 2 (SP2), Datacenter Edition |
128 GB 64 GB with 4GT |
2 TB |
|
Windows Server 2003 with Service Pack 2 (SP2), Enterprise Edition |
64 GB |
2 TB |
|
Windows Storage Server 2003, Enterprise Edition |
8 GB |
Not applicable |
|
Windows Storage Server 2003 |
4 GB |
Not applicable |
|
Windows Server 2003 R2 Datacenter Edition Windows Server 2003 with Service Pack 1 (SP1), Datacenter Edition |
128 GB 16 GB with 4GT |
1 TB |
|
Windows Server 2003 R2 Enterprise Edition Windows Server 2003 with Service Pack 1 (SP1), Enterprise Edition |
64 GB 16 GB with 4GT |
1 TB |
|
Windows Server 2003 R2 Standard Edition Windows Server 2003, Standard Edition SP1 Windows Server 2003, Standard Edition SP2 |
4 GB |
32 GB |
|
Windows Server 2003, Datacenter Edition |
128 GB 16 GB with 4GT |
512 GB |
|
Windows Server 2003, Enterprise Edition |
32 GB 16 GB with 4GT |
64 GB |
|
Windows Server 2003, Standard Edition |
4 GB |
16 GB |
|
Windows Server 2003, Web Edition |
2 GB |
Not applicable |
|
Windows Small Business Server 2003 |
4 GB |
Not applicable |
|
Windows Compute Cluster Server 2003 |
Not applicable |
32 GB |
Physical Memory Limits: Windows XP
The following table specifies the limits on physical memory for Windows XP.
|
Version |
Limit in 32-bit Windows |
Limit in 64-bit Windows |
|
Windows XP |
4 GB |
128 GB |
|
Windows XP Starter Edition |
512 MB |
Not applicable |
Physical Memory Limits: Windows 2000
The following table specifies the limits on physical memory for Windows 2000.
|
Version |
Limit in 32-bit Windows |
|
Windows 2000 Professional |
4 GB |
|
Windows 2000 Server |
4 GB |
|
Windows 2000 Advanced Server |
8 GB |
|
Windows 2000 Datacenter Server |
32 GB |
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