AMD has responded to consumer complaints and social media outcry by announcing it will bring back the Transparent Secure Memory Encryption (TSME) feature, also known as Memory Guard, on its non-Pro Ryzen 9000-series desktop CPUs via an upcoming BIOS update scheduled for July.
- AMD quietly removed TSME encryption from some consumer CPUs in a firmware update.
- User backlash led AMD to commit to restoring the encryption feature in July.
- Critics suspect the removal aimed to favor more expensive Pro CPUs or improve performance.
What happened
AMD recently removed Transparent Secure Memory Encryption (TSME)—a feature that encrypts all data in physical memory—from its consumer Ryzen 9000-series desktop processors through a firmware update. This change was made silently, without prior notification to users or clear acknowledgment from the company. The encryption feature, also called Memory Guard, had been available not only on high-end CPUs but also on lower-cost consumer models for several years, providing protection against physical attacks like cold boot attacks that target data in memory.
This sudden removal went unnoticed by most users on Windows and proved challenging to detect for those on Linux. AMD initially declined to comment or explain the rationale behind this decision. However, the change triggered significant pushback on social media and community forums, with users expressing surprise and frustration over what they perceived as an underhanded move intended to encourage purchases of higher-end CPUs or possibly improve gaming performance by eliminating encryption overhead.
Why it matters
TSME encrypts data in RAM transparently and independently of the operating system, helping protect sensitive information from attackers who gain physical access to a machine. This feature enhances security, especially in scenarios where hardware theft or forensic attacks are possible. Its removal from consumer CPUs lowered the security baseline for a large segment of AMD’s user base, many of whom had come to expect this protection as standard even on lower-priced models.
The controversy highlights broader concerns about transparency and trust between tech companies and their customers. AMD’s silence and delayed response contrast with earlier industry practices of openly communicating service and product changes. Furthermore, the episode underscores the trade-offs between security and performance, as disabling memory encryption can reduce latency, which is a priority for gaming communities that form a significant portion of Ryzen consumers.
What to watch next
AMD plans to restore the Memory Guard BIOS option on non-Pro Ryzen 9000-series desktop CPUs in a forthcoming update expected in July. The community will be watching closely to confirm whether the feature returns as promised and remains enabled by default or easily accessible to users via firmware updates. The company’s willingness to engage more openly with users on security features may also be under scrutiny moving forward.
Additionally, it will be important to monitor AMD’s future product strategies and whether similar security features will be consistently maintained across consumer tiers. Industry observers and consumers alike will also watch for any official explanation AMD provides about its initial removal decision, as well as any performance impact trade-offs or hardware design changes associated with memory encryption in upcoming CPUs.