Microsoft is exploring the possibility of displaying memory speeds in MT/s (mega-transfers per second) instead of the traditional MHz (megahertz) units on the Windows 11 Task Manager. This move comes as new technologies have allowed DDR memory to boost data transfer rates without raising clock speed, making the traditional method of measuring memory less reliable.

The MHz unit indicates the number of millions of cycles per second that a memory module can perform, with each cycle being an activity executed on the memory module, such as saving and retrieving data. However, it’s no longer an accurate measure of the data transmission speed of computer memory.

To enable the DDR memory speed units change (MT/s instead of MHz) in Task Manager in Beta build 22635.3570, run:

vivetool /enable /id:38476224,48380607 pic.twitter.com/hbU2RVniNF

— PhantomOcean3 ? (@PhantomOfEarth) May 5, 2024

As revealed by PhantomOcean3 (via Bleeping Computer), Microsoft is currently testing the display of MT/s in the Windows 11 Task Manager performance tab. This functionality is now available in the latest Windows 11 Beta preview releases, specifically build 22635.3570 and onwards.

For users who don’t want to wait for this feature, they can activate it using ViVeTool by following a few simple steps. They need to download ViVeTool and extract it into a folder, open an elevated command line, and go to the location where they extracted ViVeTool. Then, enter the command “vivetool /enable /id:38476224,48380607″ to activate the functionality.

It’s important to note that activating this functionality using ViVeTool may create stability issues. Therefore, it’s recommended that users wait until the functionality is rolled out to their device before manually activating it, especially if it’s a production machine.

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KitGuru says: This change on Windows might directly influence how memory manufacturers and apps show memory speed. So, from now on, expect to see memory speed measured in MT/s instead of MHz more often.