AMD has reversed a controversial firmware change that stripped Transparent Secure Memory Encryption (TSME) from its consumer Ryzen 9000-series CPUs. The feature, which encrypts all RAM contents to foil cold‑boot attacks, was quietly removed in a recent update, sparking outrage across the enthusiast community and has reignited debate over firmware transparency. Users argued the silent rollback was a bait‑and‑switch aimed at pushing higher‑priced Pro models.

TSME, introduced a decade ago on AMD’s high‑end parts, later filtered down to mainstream Ryzen chips, giving budget builders enterprise‑grade data protection. Critics noted that consumer CPUs rarely face physical intrusion, yet the decade‑long availability created an implicit expectation. The removal required BIOS tweaks on Linux and manual verification, and was invisible on Windows, deepening user frustration.

Responding to the outcry, AMD promised a BIOS update in July that will restore the option labelled “Memory Guard.” No official rationale was given for the original pull, though speculation ranges from performance penalties to steering buyers toward premium SKUs. Restoring TSME satisfies the community’s demand for transparent security controls on mainstream hardware and demonstrates AMD’s willingness to heed direct consumer pressure.