What is the maximum amount of physical memory (RAM) supported by the Windows 11 Home edition (64-bit)?
There is no memory limit in a 64-bit OS
4 GB
2 TB
128 GB
Windows 11 Home (64-bit) can address up to 128 GB of physical memory. This cap is imposed by the OS edition, not by the 64-bit architecture itself. Higher editions raise the ceiling: Windows 11 Pro and Education allow up to 2 TB, while Enterprise and Pro for Workstations support as much as 6 TB.
Source: Microsoft Learn - "Memory limits for Windows releases."
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