ASUS PRIME B550M-A is the wired-only member of its mATX B550 family, using a Realtek RTL8111H 1Gb Ethernet controller instead of wireless. It supports AM4 Ryzen 5000, 4000 G-Series and 3000 processors with four DDR4 slots up to 128GB, two M.2 slots, four SATA 6Gb/s ports and D-Sub, DVI-D and HDMI 2.1 outputs.
Version 3634 - December 15, 2025: 1. Enhanced compatibility and stability. (Note: Please back up your Bitlocker recovery key and suspend Bitlocker encryption in the operating system before upda…
Version 3611 - November 4, 2024: 1. Updated AGESA to version ComboV2PI 1.2.0.Cc. 2. Resolved CPU exception when adjusting items like ""When system is in sleep, hibernate, or soft off states""…
Version 3607 - April 3, 2024: Update AGESA version to ComboV2PI 1.2.0.Ca. Fix AMD processor vulnerabilities security.
Version 3405 - January 8, 2024: 1.This update includes the patch for the LogoFAIL vulnerabilities 2.Support graphics card with M.2 storage
Version 3404 - October 31, 2023: 1. Update AGESA version to ComboV2PI 1.2.0.B 2. Update AMD 5000/3000 Series CPU fTPM version, please back up Bitlocker recovery key before updating this versio…
Version 3202 - August 4, 2023: 1. Update AGESA version to ComboV2PI 1.2.0.A 2. Mitigate the AMD potential security vulnerabilities for AMD Athlon™ processors and Ryzen™ processors 3. Improve…
Version 3002 - March 14, 2023: 1. Update AGESA version to ComboV2PI 1208 2. Mitigate the AMD potential security vulnerabilities for AMD Athlon™ processors and Ryzen™ processors
Version 2803 - April 29, 2022: 1. Update AMD AM4 AGESA V2 PI 1.2.0.7. 2. Fix AMD fTPM issue causes random stuttering.
Version 2604 - March 7, 2022: 1. Update AMD AM4 AGESA V2 PI 1.2.0.6b 2. Improve system performance and stability 3. Improve system performance for AMD Ryzen 7 5800X3D
Version 2003 - March 26, 2021: - Update AMD AM4 AGESA V2 PI 1.2.0.1 - Support Smart Access Memory for Ryzen 3000 Series Processors - Fix the L3 cache performance in AIDA64 - Improved system…
Version 1804 - February 8, 2021: 1． Update AMD AM4 AGESA V2 PI 1.2.0.0 2． Update AMD RAID UEFI driver 3． Improve system stability
Version 1216 - November 25, 2020: 1. Support AMD AM4 AGESA V2 PI 1.1.0.0 Patch C 2. Improve system stability 3. Improve DRAM compatibility 4. Improve system performance
Version 1212 - November 5, 2020: 1. Update AMD AM4 AGESA V2 PI 1.1.0.0 Patch C 2. Improve system stability 3. Improve DRAM compatibility
Version 1203 - October 27, 2020: 1. Updated AMD AM4 AGESA V2 PI 1.1.0.0 Patch B 2. Improve system performance and stability 3. Improved DRAM compatibility
Version 1004 - August 17, 2020: Improve system performance and stability Improve Fan control function Improve DRAM stability Update AM4 AGESA combo V2 PI 1.0.8.0 Improve system stability Impr…
Version 0805 - July 3, 2020: - Improved system performance and compatibility - Improved DRAM compatibility - Update AM4 combo V2 PI 1.0.0.2
ASUS PRIME B550M-A is the wired-only member of its mATX B550 family, using a Realtek RTL8111H 1Gb Ethernet controller instead of wireless. It supports AM4 Ryzen 5000, 4000 G-Series and 3000 processors with four DDR4 slots up to 128GB, two M.2 slots, four SATA 6Gb/s ports and D-Sub, DVI-D and HDMI 2.1 outputs. It was originally released on June 1, 2020.
What is the latest firmware version of ASUS PRIME B550M-A?
The latest firmware version of ASUS PRIME B550M-A is 3645. It was released on September 14, 2026.
What changed in ASUS PRIME B550M-A firmware version 3645?
ASUS PRIME B550M-A firmware version 3645 includes the following changes: Improve system compatibility
Where can I download the latest ASUS PRIME B550M-A firmware?
Details and download instructions for the latest ASUS PRIME B550M-A firmware (version 3645) are on ASUS's official release page: https://www.asus.com/motherboards-components/motherboards/prime/prime-b550m-a/helpdesk_bios/
How often does ASUS release firmware updates for ASUS PRIME B550M-A?
We have tracked 36 firmware versions of ASUS PRIME B550M-A. Based on historical patterns, updates are released approximately every 64 days.
When is the next ASUS PRIME B550M-A firmware update expected?
Based on this product's update history, a firmware update for ASUS PRIME B550M-A is expected soon, between October 10, 2026 and December 26, 2026.
Is ASUS PRIME B550M-A still receiving firmware updates?
Yes, ASUS PRIME B550M-A received a firmware update within the last 3 months. The most recent version is 3645.