You are reviewing the system requirements and limitations fo

You are reviewing the system requirements and limitations for different Windows operating system versions. Of the following, which are the correct upper memory limitations for 64-bit versions of these operating systems?

A. Windows 2000 Professional can use up to 8 GB of physical memory.

B. Windows XP Professional can use up to 128 GB of physical memory.

C. Windows Vista Home Basic can use up to 16 GB of physical memory.

D. Windows Vista Ultimate can use up to 128 GB of physical memory.

Solution

B and D. Most 64-bit Windows desktop operating systems have an upper limit of 128 GB of physical memory that they can use. 64-bit Windows 7 Professional, Ultimate, and Enterprise Editions can utilize up to 192 GB of memory.