PHYSICAL MEMORY LIMIT ON WINDOWS CLIENTS AND SERVERS

Physical memory limit oN Windows Clients and Servers

Maximum limits on physical memory (RAM) that Windows can address vary depending on both the Windows version and between IA-32 and x64 versions.

Operating system	Limit on IA-32	Limit on x64
4.0.a !Windows NT 4.0	4 GB	N/A
5.0.b !Windows 2000 Professional/Server	4 GB	N/A
5.0.c !Windows 2000 Advanced Server	8 GB	N/A
5.0.d !Windows 2000 Datacenter	32 GB	N/A
5.1.a !Windows XP Starter	0.5 GB !512 MB	N/A
5.1.b !Windows XP Home	4 GB	N/A
5.1.c !Windows XP Professional	4 GB	128 GB
5.1.sp0.w !Windows Server 2003 RTM Web	2 GB	N/A
5.1.sp0.x !Windows Server 2003 RTM Standard/Small Business	4 GB	N/A
5.1.sp0.z !Windows Server 2003 RTM Enterprise/Datacenter	64 GB	N/A
5.1.sp1.x !Windows Server 2003 R2/SP1 Standard	4 GB	32 GB
5.1.sp1.z !Windows Server 2003 R2/SP1 Enterprise/Datacenter	64 GB	1024 GB !1 TB
6.0.a !Windows Vista Starter	1 GB	N/A
6.0.b !Windows Vista Home Basic	4 GB	8 GB
6.0.c !Windows Vista Home Premium	4 GB	16 GB
6.0.f !Windows Vista Business/Enterprise/Ultimate	4 GB	128 GB
6.0.v !Windows Home Server	4 GB	N/A
6.0.x !Windows Server 2008 Web Server/Standard/Small Business	4 GB	32 GB
6.0.y !Windows HPC Server 2008	N/A	128 GB
6.0.z !Windows Server 2008 Enterprise/Datacenter	64 GB	1024 GB !1 TB
6.1.a !Windows 7 Starter	2 GB	N/A
6.1.b !Windows 7 Home Basic	4 GB	8 GB
6.1.c !Windows 7 Home Premium	4 GB	16 GB
6.1.f !Windows 7 Professional/Enterprise/Ultimate	4 GB	192 GB
6.1.w !Windows Server 2008 R2 Foundation	N/A	8 GB
6.1.x !Windows Server 2008 R2 Web Server/Standard	N/A	32 GB
6.1.y !Windows HPC Server 2008 R2	N/A	128 GB
6.1.z !Windows Server 2008 R2 Enterprise/Datacenter	N/A	2048 GB !2 TB
6.2.a !Windows 8	4 GB	128 GB
6.2.c !Windows 8 Pro/Enterprise	4 GB	512 GB
6.2.w !Windows Server 2012 Foundation	N/A	32 GB
6.2.x !Windows Server 2012 Essentials	N/A	64 GB
6.2.z !Windows Server 2012 Standard/Datacenter	N/A	4096 GB !4 TB
6.2.z !Windows Storage Server 2012 Standard	N/A	4096 GB !4 TB
6.2.z !Windows Storage Server 2012 Workgroup	N/A	32 GB
6.2.z !Hyper-V Server 2012	N/A	4096 GB !4 TB
7.a !Windows 10 Home	4 GB	128 GB
7.b !Windows 10 Pro	4 GB	2048 GB !2 TB
7.c !Windows 10 Education	4 GB	2048 GB !2 TB
7.d !Windows 10 Enterprise	4 GB	2048 GB !2 TB
8.y !Windows Server 2016 Standard	N/A	24576 GB !24 TB
8.z !Windows Server 2016 Datacenter	N/A	24576 GB !24 TB

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Compiled and Edited by AdeDanCompTech

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