ASRock B550M Steel Legend
Motherboards · ASRock
Last checked
Latest Firmware
Version 3.90
Released
15.2 MB
Update track record
- releases tracked since 2020
- 16
- typical gap between releases
- ~3 months
- since the latest release
- 283 days
- security-related releases · latest 2025-10-13
- 3
Get Firmware Update Notifications
Get notified when new firmware is released for this device.
Firmware History
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.