ASRock B650M Pro X3D

Specifications

  • Manufacturer: ASRock
  • Chipset: B650
  • Socket: AM5
  • Form Factor: Micro ATX
  • DIMM Slots: 4
  • Color: Black / Silver

BIOS Update Status

  • AGESA 1.2.0.3C

    Improves high-density memory compatibility, allowing stable operation of 4x DIMM configurations and 256GB total capacity.

  • AGESA 1.2.7.0

    Major enablement patch for next-generation 2026 processors; updates the PSP firmware and improves USB compatibility.

  • AGESA 1.3.0.0

    Preliminary support for the next major AM5 architecture revision; includes significant security hardening and memory training overhauls.

Resources

BIOS Update Notifications

Latest BIOS Version

Version:4.20
Release Date:2026-04-23

Update AGESA to ComboAM5 PI 1.3.0.1.SHA256: 8923f1e52c3e5c16693875f45378aed656c12314327eba4285f7133858fa9eb1

BIOS Release Notes Analysis

Launch Stability & Compatibility

The platform initializes with version v3.16, establishing baseline system functionality. Update v3.18.AS02[Beta] integrates AGESA 1.2.0.3a Patch A, which enables support for Ryzen 9 9000X3D series processors and corrects DRAM timing telemetry readings. This beta release also necessitates a chipset driver update to version 7.01.08.129 for full functionality. Subsequent stability patches in version v3.20 resolve specific boot initialization failures affecting a minority of Ryzen 9000 series CPUs, ensuring consistent POST behavior.

Feature Maturity & Hardware Support

Version v3.25 updates the firmware to AGESA 1.2.0.3d, optimizing Precision Boost Overdrive (PBO) parameters to refine thermal and frequency management. Update v3.30 incorporates AGESA 1.2.0.3e Patch A, which addresses the TPM Out-of-Bounds Read vulnerability (CVE-2025-2884) and further refines voltage safety limits for X3D components. Firmware v3.40 advances to AGESA 1.2.0.3f, implementing broad improvements to memory compatibility and enhancing CPU operating stability under load.

Critical Security & Power Management

Continued maintenance in version v3.50 updates the codebase to AGESA 1.2.0.3g. The lifecycle culminates in version v4.03, which integrates AGESA 1.2.7.1. This major architectural update refreshes the PSP firmware and establishes preliminary enablement for next-generation 2026 processors, ensuring long-term platform viability and hardware compatibility.

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