DRAM - What is the maximum memory my PC can take?

There are 2 considerations which affect the amount of memory that can be installed in your computer.

1) The type and maximum amount of memory that can be installed depends on your motherboard. Use our Configurator to find out how much can be installed. (Alternatively please refer to your computer's handbook or manufacturer's website)

2) The version of your  operating system will have a maximum that it can utilise, which may differ from you computers motherboard. You may be able to install more memory on motherboard than your operating system can access. ( Please refer to your operating system manual or see the table below for guidance)

 

Desktop Operating System Version   Max Memory
       
Windows 7      
  32bit Starter   2GB
  32bit All Other   4GB
 

64bit Home Basic

   8GB
  64bit Home Premium   16GB
  64bit Professional   192GB
  64bit Enterprise   192GB
  64bit Ultimate   192GB
 Windows Vista      
  32bit Starter   1GB
  32bit All Other   4GB
  64bit Home Basic   8GB
  64bit Home Premium   16GB
  64bit Professional   192GB
  64bit Enterprise   192GB 
  64bit Ultimate   192GB
Windows XP      
  32bit Starter   512MB
  32bit Home   4GB 
  32bit Professional   4GB
  64bit Professional   128GB
Windows 2000      
  Professional   4GB
       
Mac      
  OS X   8GB
  OS 9   1.5GB
       
Red Hat Linux      
  2.4 Kernel   64GB 

 

Server Operating System Version Max Memory
       
Windows  2008      
  32bit Web Server   4GB
  32bit Standard   4GB
  32bit Datacenter   64GB
  32bit Enterprise   64GB
  64bit Web Server   32GB
  64bit Standard   32GB
  64bit Datacenter   2TB
  64bit Enterprise   2TB
       
Windows 2003      
  32bit Web Server   4GB
  32bit Standard   4GB
  32bit Datacenter   128GB
  32bit Enterprise   64GB
  64bit Standard   32GB
  64bit Datacenter   2TB
  64bit Enterprise   2TB
  64bit Small Business   128GB
       
Windows 2000      
  Server   4GB
  64bit Home Premium    

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