What is the maximum amount of RAM supported by Windows XP?

Asked a year ago
The maximum amount of RAM supported by Windows XP depends on the edition. Windows XP Home Edition supports a maximum of 4 gigabytes (GB) of RAM, while Windows XP Professional Edition and Windows XP Media Center Edition support up to 64 GB. However, it is important to note that the practical limit of RAM that can be effectively used by Windows XP is commonly considered to be around 3.25 GB due to system overhead. Additionally, the maximum RAM supported by the 32-bit version of Windows XP is 4 GB, as it cannot address more memory. Windows XP 64-bit Edition can support larger amounts of RAM but requires a compatible processor and specific system requirements for optimal performance.
Jeff Whelpley is the editor / author responsible for this content.
Answered May 3, 2024

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