ASRock B550M/ac

Launch Stability & Compatibility

The initial firmware lifecycle focuses on platform enablement for the AMD Ryzen 5000 series (Vermeer) starting with version v1.20, utilizing AGESA 1.0.8.0 Patch A2. Support expands to the Ryzen 5000 G-Series (Cezanne) in update v1.70, which integrates AGESA 1.2.0.0 to enable Resizable BAR capabilities. Addressing early platform instability, version v1.60 includes a specific caution against using the Ryzen 3 3300X, while updates v1.80 and v1.90 deploy AGESA 1.2.0.2 and 1.2.0.3b respectively to mitigate intermittent USB connectivity dropouts common on 500-series chipsets.

Feature Maturity & Hardware Support

Mid-cycle updates prioritize Windows 11 readiness and hardware optimization. Version v2.20 enables fTPM by default and integrates AGESA 1.2.0.3 Patch C, the critical fix for USB dropouts and PCIe Gen 4 instability. Support for the Ryzen 7 5800X3D is established in v2.30 via AGESA 1.2.0.6b, while version v2.62 (AGESA 1.2.0.8) further refines this by unlocking native Curve Optimizer support for X3D processors. System latency is addressed in v2.40 (AGESA 1.2.0.7), which resolves fTPM Stuttering issues affecting Windows performance. Additionally, version v2.50 improves compatibility for NVIDIA GeForce RTX 40 series GPUs.

Critical Security & Power Management

Recent firmware emphasizes hardening the platform against high-severity vulnerabilities. Update v3.20 integrates AGESA 1.2.0.B to mitigate the Inception speculative side-channel exploit. Specific patches for the LogoFAIL image parsing vulnerability are applied in version v3.40. The security posture is further strengthened in v3.46[Beta], which updates to AGESA 1.2.0.Cc to resolve the Sinkclose SMM Lock Bypass vulnerability. Extended lifecycle support continues through 2025 with v3.61[Beta] (AGESA 1.2.0.E) addressing SMM flaws, v3.62[Beta] (AGESA 1.2.0.F) updating fTPM firmware, and v3.90 refreshing the Secure Boot Key database (KEK/DB/PK).