关于64位Windows7的信息已经很全面了,但是关于win8和win10最大支持多少内存信息很少且可靠性较低,假设不考虑主板等方面的限制,单纯考虑操作系统对内存容量的支持。

Physical Memory Limits: Windows 10

The following table specifies the limits on physical memory for Windows 10.

Version Limit on X86 Limit on X64
Windows 10 Enterprise

4 GB

2TB

Windows 10 Education

4 GB

2TB

Windows 10 Pro

4 GB

2TB

Windows 10 Home

4 GB

128GB


Physical Memory Limits: Windows 7

The following table specifies the limits on physical memory for 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 2012

The following table specifies the limits on physical memory for Windows Server 2012. Windows Server 2012 is available only in X64 editions.

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 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 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



原文地址:https://msdn.microsoft.com/en-us/library/windows/desktop/aa366778(v=vs.85).aspx