ASUS TUF Gaming B550-Plus WiFi II
Motherboards · ASUS
Latest Firmware
Version 3645
Released
16.3 MB
Update track record
- releases tracked since 2021
- 15
- typical gap between releases
- ~4 months
- since the latest release
- 37 days
- security-related releases · latest 2026-08-27
- 9
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Get notified when new firmware is released for this device.
Firmware History
3645
Latest"Improve system compatibility Before running the USB BIOS Flashback tool，please rename the BIOS file (TG550PW2.CAP) using BIOSRenamer."
Download from ASUS (opens in new tab)3644
Security"1. Update AGESA version to ComboV2 PI 1.2.0.12. 2. Mitigate fTPM vulnerabilities (CVE-2026-6726, CVE-2026-6727). Before running the USB BIOS Flashback tool，please rename the BIOS file (TG550PW2.CAP) using BIOSRenamer."
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.