Physical Memory Limits for different windows version
Physical Memory Limits for different windows version:
Physical Memory
Limits: Windows 8
Version
|
Limit on X86
|
Limit on X64
|
Windows 8 Enterprise
|
4 GB
|
512 GB
|
Windows 8 Professional
|
4 GB
|
512 GB
|
Windows 8
|
4 GB
|
128 GB
|
Physical Memory Limits: Windows Server 2012
Version
|
Limit on X64
|
Windows Server 2012 Datacenter
|
4 TB
|
Windows Server 2012 Standard
|
4 TB
|
Windows Server 2012 Essentials
|
64 GB
|
Windows Server 2012 Foundation
|
32 GB
|
Windows Storage Server 2012 Workgroup
|
32 GB
|
Windows Storage Server 2012 Standard
|
4 TB
|
Hyper-V Server 2012
|
4 TB
|
Physical Memory Limits: Windows 7
Version
|
Limit on X86
|
Limit on X64
|
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
|
N/A
|
Physical Memory Limits: Windows Server 2008 R2
Version
|
Limit on X64
|
Limit on IA64
|
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
Version
|
Limit on X86
|
Limit on X64
|
Limit on IA64
|
Windows Server 2008 Datacenter
|
64 GB
|
1 TB
|
|
Windows Server 2008 Enterprise
|
64 GB
|
1 TB
|
|
Windows Server 2008 HPC Edition
|
128 GB
|
||
Windows Server 2008 Standard
|
4 GB
|
32 GB
|
|
Windows Server 2008 for Itanium-Based
Systems
|
2 TB
|
||
Windows Small Business Server 2008
|
4 GB
|
32 GB
|
|
Windows Web Server 2008
|
4 GB
|
32 GB
|
Physical Memory Limits: Windows Vista
Version
|
Limit on X86
|
Limit on X64
|
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
|
Physical Memory Limits: Windows Home Server
Physical Memory Limits: Windows Server 2003 R2
Version
|
Limit on X86
|
Limit on X64
|
Windows Server 2003 R2 Datacenter
Edition
|
64 GB
(16 GB with 4GT)
|
1 TB
|
Windows Server 2003 R2 Enterprise
Edition
|
64 GB
(16 GB with 4GT)
|
1 TB
|
Windows Server 2003 R2 Standard
Edition
|
4 GB
|
32 GB
|
Physical Memory Limits: Windows Server 2003 with
Service Pack 2 (SP2)
Version
|
Limit on X86
|
Limit on X64
|
Limit on IA64
|
Windows Server 2003 with Service
Pack 2 (SP2), Datacenter Edition
|
64 GB
(16 GB with 4GT)
|
1 TB
|
2 TB
|
Windows Server 2003 with Service
Pack 2 (SP2), Enterprise Edition
|
64 GB
(16 GB with 4GT)
|
1 TB
|
2 TB
|
Windows Server 2003 with Service Pack 2
(SP2), Standard Edition
|
4 GB
|
32 GB
|
Physical Memory Limits: Windows Server 2003 with
Service Pack 1 (SP1)
Version
|
Limit on X86
|
Limit on X64
|
Limit on IA64
|
Windows Server 2003 with Service
Pack 1 (SP1), Datacenter Edition
|
64 GB
(16 GB with 4GT)
|
X64 1 TB
|
1 TB
|
Windows Server 2003 with Service
Pack 1 (SP1), Enterprise Edition
|
64 GB
(16 GB with 4GT)
|
X64 1 TB
|
1 TB
|
Windows Server 2003 with Service Pack 1
(SP1), Standard Edition
|
4 GB
|
32 GB
|
Physical Memory Limits: Windows Server 2003
Version
|
Limit on X86
|
Limit on IA64
|
Windows
Server 2003, Datacenter Edition
|
64 GB
(16 GB with
4GT)
|
512 GB
|
Windows
Server 2003, Enterprise Edition
|
64 GB
(16 GB with
4GT)
|
512 GB
|
Windows
Server 2003, Standard Edition
|
4 GB
|
|
Windows
Server 2003, Web Edition
|
2 GB
|
|
Windows Small
Business Server 2003
|
4 GB
|
|
Windows
Compute Cluster Server 2003
|
32 GB
|
|
Windows
Storage Server 2003, Enterprise Edition
|
8 GB
|
|
Windows Storage Server 2003
|
4 GB
|
Physical Memory Limits: Windows Embedded
Version
|
Limit on X86
|
Limit on X64
|
Windows XP Embedded
|
4 GB
|
|
Windows Embedded Standard 2009
|
4 GB
|
|
Windows Embedded Standard 7
|
4 GB
|
192 GB
|
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