Windows OS Memory

Here are some notes I made on Memory for windows OS and NOS operating systems. 
Memory maximums for current Microsoft® Windows OS’s include:
 
32-bit OS

Windows 8 (32 bit)
  • Windows 8 Enterprise: 4 GB
  • Windows 8 Professional: 4 GB
  • Windows 8 Home: 4 GB
 
Windows 7 (32 bit)
  • Ultimate: 4 GB
  • Enterprise: 4 GB
  • Business: 4 GB
  • Home Premium: 4 GB
  • Home Basic: 4 GB
  • Starter: 2 GB
 
Windows Vista (32 bit)
  • Ultimate: 4 GB
  • Enterprise: 4 GB
  • Business: 4 GB
  • Home Premium: 4 GB
  • Home Basic: 4 GB
  • Starter: 1 GB
 
Windows XP (32 bit)
  • Professional: 4 GB
  • Home: 4 GB
  • Starter Edition: 512 MB
 
Windows Server 2003 (32 bit)
  • Datacenter SP2: 128 GB
  • Enterprise SP2: 64 GB
  • Standard SP1: 4 GB*
  • Datacenter R2: 128 GB
  • Enterprise R2: 64 GB
  • Standard R2: 4 GB*
  • Web Edition: 4 GB*
  • Small Business Edition: 4 GB*
Windows Server 2008 (32 bit)
  • Datacenter: 64 GB
  • Enterprise: 64 GB
  • Standard: 4 GB
  • Web Server: 4 GB

 

* Certain Microsoft server operating systems can support over 4GB of memory via Physical Address Extension (PAE). Please refer to the Microsoft knowledgebase article located here for more information.
64-bit OS

Windows 8 (64 bit)
  • Enterprise: 512 GB
  • Professional: 512 GB
  • Home: 128 GB
 
Windows 7 (64 bit)
  • Windows 7 Ultimate: 192 GB
  • Windows 7 Enterprise: 192 GB
  • Windows 7 Professional: 192 GB
  • Windows 7 Home Premium: 16 GB
  • Windows 7 Home Basic: 8 GB
  • Windows 7 Starter: N/A
 
Windows Vista (64 bit)
  • Ultimate: 128 GB
  • Enterprise: 128 GB
  • Business: 128 GB
  • Home Premium: 16 GB
  • Home Basic: 8 GB
 
Windows XP (64 bit)
  • Professional: 128 GB
  • Windows Server 2003 (64 bit)
  • Datacenter SP2: 2 TB
  • Enterprise SP2: 2 TB
  • Standard SP1: 32 GB
  • Datacenter R2: 1 TB
  • Enterprise R2: 1 TB
  • Standard R2: 32 GB
  • Small Business Edition: 128 GB
 
Windows Server 2008 (64 bit)
  • Datacenter: 2 TB
  • Enterprise: 2 TB
  • Standard: 32 GB
  • Web Server: 32 GB
 
Windows Server 2012 (64 bit)
  • Datacenter: 4 TB
  • Standard: 4 TB
  • Essentials: 64 GB
  • Foundation: 32 GB
  • Storage Server 2012 Workgroup: 32 GB
  • Storage Server 2012 Standard: 4 TB
  • Hyper-V Server 2012: 4 TB

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

This site uses Akismet to reduce spam. Learn how your comment data is processed.