Analyze physical memory usage through several views with RAMMap, a utility from the Sysinternals suite.

learn.microsoft.com/en-us/sysinternals/downloa…
RAMMap homepage screenshot

About RAMMap

RAMMap is a physical memory usage analysis utility from the Sysinternals suite, documented on Microsoft Learn. It shows how Windows assigns physical memory, including how much file data is cached in RAM and how much RAM is used by the kernel and device drivers. It runs on Windows Vista and higher, and Windows Server 2008 and higher.

The tool presents memory information across several tabs, including Use Counts, Processes, Priority Summary, Physical Pages, Physical Ranges, File Summary, and File Details. You can refresh the display to update results, save and load memory snapshots, and either download the utility or run it from Sysinternals Live.

It suits people who want to understand how Windows manages memory, analyze application memory usage, or answer specific questions about RAM allocation.

Key features

  • View memory use by type and paging list
  • Show process working set sizes
  • Display prioritized standby list sizes
  • Show per-page use for all physical memory
  • List file data in RAM by file
  • Save and load memory snapshots
Best for: People analyzing Windows physical memory use and application memory allocation benefit most.
Good for
  • Shows several distinct memory views in one tool
  • Supports saving and loading memory snapshots
  • Can run from Sysinternals Live
  • Documents client and server Windows versions
Watch out for
  • Windows only, with minimum version requirements

RAMMap at a glance

Type
Website
Pricing
Not confirmed. Check the site
Platforms
Web, Windows
Open source
Not stated
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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RAMMap FAQ

What is RAMMap used for?
RAMMap is used to analyze physical memory usage in Windows, including cached file data and memory used by the kernel and device drivers.
What Windows versions does RAMMap support?
It runs on Windows Vista and higher clients, and Windows Server 2008 and higher servers.
How can I get or run RAMMap?
You can download the utility from the Microsoft Learn page or run it from Sysinternals Live.
Can RAMMap save memory results?
Yes, it includes a refresh feature and support for saving and loading memory snapshots.
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