AMD quietly disabled RAM encryption on some Ryzen CPUs and users want to know why

The change came to light in April, when Ben Kilpatrick installed a new OS on a Ryzen 7 9700X system built on AMD's Zen 5 ...

Users cry foul after AMD stripped memory crypto from its consumer CPUs

A decade ago, AMD added a protection to its high-end CPUs to protect them against cold boot attacks and other types of ...
Neowin

AMD SME causing boot failures and black screen issues on Ryzen Linux systems

AMD's Secure Memory Encryption (SME) feature will remain disabled by default in future Ryzen-based Linux PCs. That's because the feature has been found to be very problematic on some of those systems.
The Next Web

Your Ryzen CPU used to encrypt your RAM. A firmware update silently turned that off.

AMD silently disabled TSME memory encryption on consumer Ryzen chips via a firmware update. The feature still works on Pro CPUs. AMD won't say why.
Tom's Hardware on MSN

AMD silently removes memory encryption from consumer Ryzen CPUs

AMD engineer shuts down discussions on the issue ...
Guru3D.com

AMD Reportedly Removes TSME Memory Encryption Support from Ryzen CPUs

A newly surfaced report suggests AMD has quietly disabled Transparent Secure Memory Encryption (TSME) support on consumer Ryzen processors through its AGESA 1.2.7.0 firmware release. The change was ...