各Windowsで使用できる、物理メモリー最大量の一覧です。
Windows 10
バージョン |
32bit(x86) |
64bit(x64) |
Windows 10 Enterprise |
4 GB |
6 TB |
Windows 10 Education |
4 GB |
2 TB |
Windows 10 Pro for Workstations |
4 GB |
6 TB |
Windows 10 Pro |
4 GB |
2 TB |
Windows 10 Home |
4 GB |
128 GB |
Windows Server 2016
バージョン |
32bit(x86) |
64bit(x64) |
Windows Server 2016 Datacenter |
N/A |
24 TB |
Windows Server 2016 Standard |
N/A |
24 TB |
Windows 8
バージョン |
32bit(x86) |
64bit(x64) |
Windows 8 Enterprise |
4 GB |
512 GB |
Windows 8 Professional |
4 GB |
512 GB |
Windows 8 |
4 GB |
128 GB |
Windows Server 2012
バージョン |
32bit(x86) |
64bit(x64) |
Windows Server 2012 Datacenter |
N/A |
4 TB |
Windows Server 2012 Standard |
N/A |
4 TB |
Windows Server 2012 Essentials |
N/A |
64 GB |
Windows Server 2012 Foundation |
N/A |
32 GB |
Windows Storage Server 2012 Workgroup |
N/A |
32 GB |
Windows Storage Server 2012 Standard |
N/A |
4 TB |
Hyper-V Server 2012 |
N/A |
4 TB |
Windows 7
バージョン |
32bit(x86) |
64bit(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 |
Windows Server 2008 R2
バージョン |
32bit(x86) |
64bit(x64) |
64bit(IA64) |
Windows Server 2008 R2 Datacenter |
N/A |
2 TB |
N/A |
Windows Server 2008 R2 Enterprise |
N/A |
2 TB |
N/A |
Windows Server 2008 R2 for Itanium-Based Systems |
N/A |
N/A |
2 TB |
Windows Server 2008 R2 Foundation |
N/A |
8 GB |
N/A |
Windows Server 2008 R2 Standard |
N/A |
32 GB |
N/A |
Windows HPC Server 2008 R2 |
N/A |
128 GB |
N/A |
Windows Web Server 2008 R2 |
N/A |
32 GB |
N/A |
Windows Server 2008
バージョン |
32bit(x86) |
64bit(x64) |
64bit(IA64) |
Windows Server 2008 Datacenter |
64 GB |
1 TB |
N/A |
Windows Server 2008 Enterprise |
64 GB |
1 TB |
N/A |
Windows Server 2008 HPC Edition |
N/A |
128 GB |
N/A |
Windows Server 2008 Standard |
4 GB |
32 GB |
N/A |
Windows Server 2008 for Itanium-Based Systems |
N/A |
N/A |
2 TB |
Windows Small Business Server 2008 |
4 GB |
32 GB |
N/A |
Windows Web Server 2008 |
4 GB |
32 GB |
N/A |
Windows Vista
バージョン |
32bit(x86) |
64bit(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 |
N/A |
Windows Home Server
バージョン |
32bit(x86) |
64bit(x64) |
Windows Home Server |
4 GB |
N/A |
Windows Server 2003 R2
バージョン |
32bit(x86) |
64bit(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 |
Windows Server 2003 with Service Pack 2 (SP2)
バージョン |
32bit(x86) |
64bit(x64) |
64bit(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 |
N/A |
Windows Server 2003 with Service Pack 1 (SP1)
バージョン |
32bit(x86) |
64bit(x64) |
64bit(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 |
N/A |
Windows Server 2003
バージョン |
32bit(x86) |
64bit(x64) |
64bit(IA64) |
Windows Server 2003, Datacenter Edition |
64 GB (16 GB with 4GT) |
N/A |
512 GB |
Windows Server 2003, Enterprise Edition |
64 GB (16 GB with 4GT) |
N/A |
512 GB |
Windows Server 2003, Standard Edition |
4 GB |
N/A |
N/A |
Windows Server 2003, Web Edition |
2 GB |
N/A |
N/A |
Windows Small Business Server 2003 |
4 GB |
N/A |
N/A |
Windows Compute Cluster Server 2003 |
N/A |
N/A |
32 GB |
Windows Storage Server 2003, Enterprise Edition |
8 GB |
N/A |
N/A |
Windows Storage Server 2003 |
4 GB |
N/A |
N/A |
Windows XP
バージョン |
32bit(x86) |
64bit(x64) |
64bit(IA64) |
Windows XP |
4 GB |
128 GB |
128 GB (未サポート) |
Windows XP Starter Edition |
512 MB |
N/A |
N/A |
Windows Embedded
バージョン |
32bit(x86) |
64bit(x64) |
Windows XP Embedded |
4 GB |
N/A |
Windows Embedded Standard 2009 |
4 GB |
N/A |
Windows Embedded Standard 7 |
4 GB |
192 GB |
32bit(x86) のWindows で、PAGが無効の場合は 4GB が最大容量です。