ASRock AB350 Pro4

Specifications

  • Manufacturer: ASRock
  • Chipset: B350
  • Socket: AM4
  • Form Factor: ATX
  • DIMM Slots: 4
  • Color: Black / White

Resources

BIOS Update Notifications

Latest BIOS Version

Version:10.50
Release Date:2026-04-08

Update Secure Boot Key (2023 KEK/DB/PK).SHA256: 54ab54e86e5e0202c0a79b8365470bad1c0d122273ec105bf25dc35db4fe12b5

BIOS Release Notes Analysis

Launch Stability & Compatibility

Initial firmware development focused on stabilizing the AM4 platform for Summit Ridge and Pinnacle Ridge architectures. Version 2.60 updates the AGESA to 1.0.0.6, finalizing memory training for first-generation Ryzen processors. Version 3.20 introduces SMART fan temperature source selection and enforces JEDEC 2666MHz defaults for compatible DDR4 modules. A critical bridge update, v3.40, is required before installing subsequent versions. Storage and display compatibility are addressed in v4.70, which improves M.2 SSD detection, and v5.10, which refines onboard display rules for Raven Ridge APUs. The Pinnacle Ridge generation reaches maturity with v5.40 (AGESA 1.0.0.6), while v5.70 blocks downgrade paths to prepare for next-generation hardware.

Feature Maturity & Hardware Support

Mid-cycle updates significantly expand CPU compatibility and resolve architectural bugs. Version 5.80 enables Ryzen 3000 series support via AGESA 1.0.0.1. Version 6.00 integrates AGESA 1.0.0.3 ABB to patch the RDRAND instruction, resolving boot failures in Linux and crashes in Destiny 2. Following the v7.00[Beta] bridge BIOS—which deprecates Bristol Ridge support—version 7.40 implements AGESA 1.2.0.7. This major update enables Ryzen 5000 (Vermeer/Cezanne) support, resolves widespread fTPM Stuttering issues in Windows, and fixes GPU detection conflicts with GeForce RTX 40 series cards.

Critical Security & Power Management

Recent firmware prioritizes security mitigation and voltage regulation for Zen 3 processors. Version L8.02 updates to AGESA 1.2.0.8, enabling native Curve Optimizer support for the Ryzen 7 5800X3D. Security hardening begins with v10.08[Beta], which integrates AGESA 1.2.0.B to mitigate the Inception vulnerability and patches LogoFAIL UEFI exploits. Version 10.31[Beta] updates to AGESA 1.2.0.Cc to resolve the high-severity Sinkclose (SMM Lock Bypass) vulnerability. Continued maintenance in v10.41[Beta] (AGESA 1.2.0.E) and v10.43[Beta] (AGESA 1.2.0.F) addresses remaining SMM flaws and updates fTPM firmware to ensure long-term Windows 11 stability.

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