ASRock B450M Steel Legend
Motherboards · ASRock
Last checked
Latest Firmware
Version 10.70
Released
11.1 MB
Update track record
- releases tracked since 2019
- 23
- typical gap between releases
- ~2 months
- since the latest release
- 12 days
- security-related releases · latest 2026-03-31
- 2
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Firmware History
10.70
LatestUpdate AGESA to ComboAM4v2 1.2.0.12. *ASRock do NOT recommend updating this BIOS if you are going to use Pinnacle, Raven or Summit Ridge CPU on your system. *Before updating this BIOS, please also read the description in previous BIOS version.
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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.