Asus PRIME B550M-K ARGB

Specifications

  • Manufacturer: Asus
  • Chipset: B550
  • Socket: AM4
  • Form Factor: Micro ATX
  • DIMM Slots: 2
  • Color: Black

Resources

BIOS Update Notifications

Latest BIOS Version

Version:3636
Release Date:2026-01-27

Improve system compatibility

BIOS Release Notes Analysis

Launch Stability & Compatibility

The platform initializes with release v3202, establishing baseline support for the AMD B550 chipset architecture. Early maintenance in v3205 addresses initial security vulnerabilities to harden the boot process. Significant architecture updates arrive in v3404, which integrates AGESA 1.2.0.B to mitigate the Inception speculative side-channel vulnerability (CVE-2023-20569) and updates the fTPM firmware for Ryzen 3000 and 5000 series processors to ensure reliable BitLocker functionality.

Feature Maturity & Hardware Support

Firmware v3405 expands hardware compatibility to support graphics cards equipped with M.2 storage while introducing initial patches for image parsing exploits. This security framework is matured in v3607 via AGESA 1.2.0.Ca, which resolves Zenbleed and LogoFAIL vulnerabilities. Subsequent updates v3610 and v3611 implement AGESA 1.2.0.Cc to mitigate the high-severity Sinkclose SMM lock bypass, while simultaneously resolving CPU exceptions triggered during localized language adjustments in sleep, hibernate, and soft-off power states.

Critical Security & Power Management

Advanced security protocols are deployed in v3621 with AGESA 1.2.0.E, specifically targeting System Management Mode (SMM) vulnerabilities. Version v3631 transitions to AGESA 1.2.0.F to refine fTPM firmware for improved Windows 11 compatibility and resolve persistence issues with custom fan curves. Specific optimization for Ryzen G-Series APUs is delivered in v3634, which upgrades fTPM firmware to enhance Anti-Cheat compatibility, followed by v3636 which finalizes general system stability.

ℹ️AI-synthesized summary derived from official changelogs and verified microcode specifications. Always verify with the manufacturer.