ASRock B550M Pro4
Motherboards · ASRock
Last checked
Latest Firmware
Version 3.90
Released
14.9 MB
Update track record
- releases tracked since 2020
- 16
- typical gap between releases
- ~2 months
- since the latest release
- 287 days
- security-related releases · latest 2025-10-09
- 3
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Get notified when new firmware is released for this device.
Firmware History
3.90
LatestSecurityUpdate Secure Boot Key (2023 KEK/DB/PK). *To support Ryzen 5000 G-Series processors, it requires to update the BIOS with Matisse, Renoir or Vermeer CPU.
Download from ASRock (opens in new tab)3.40
Security
Why Keep Your Firmware Updated
Motherboard BIOS/UEFI firmware is essential for hardware initialization and CPU compatibility. Updates often include microcode patches for security vulnerabilities, support for newer processors and memory, and stability improvements. Always use a UPS or ensure stable power during BIOS updates — an interrupted flash can render the board unbootable.