ASUS ROG STRIX B550-A GAMING is an ATX board for AM4 Ryzen 5000 Series, 4000 G-Series and 3000 Series processors, with four DDR4 slots up to 128GB and ECC support that varies by CPU. A PCIe 4.0 x16 slot serves Ryzen 5000 and 3000 chips, and the board adds two M.2 slots, six SATA ports, Intel I225-V 2.5Gb Ethernet, HDMI 2.1 and DisplayPort 1.2.
Product released: June 1, 2020
Latest firmware version
Version 3646, released October 20, 2026
Last checked for updates: Oct 31, 2026 23:02 UTC
What's new in version 3646
1. Improve system stability
Before running the USB BIOS Flashback tool, please rename the BIOS file (RSB550AG.CAP) using BIOSRenamer.
LatestUpdate has tracked 30 versions of ASUS ROG STRIX B550-A GAMING firmware, released between July 9, 2020 and October 20, 2026.
Version 3646 - October 20, 2026: 1. Improve system stability Before running the USB BIOS Flashback tool, please rename the BIOS file (RSB550AG.CAP) using BIOSRenamer.
Version 3645 - September 15, 2026: Improve system compatibility Before running the USB BIOS Flashback tool, please rename the BIOS file (RSB550AG.CAP) using BIOSRenamer.
Version 3644 - August 27, 2026: 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, pl…
Version 3641 - June 30, 2026: 1.Update AGESA version to ComboV2 PI 1.2.0.12. 2. Implemented security updates. Before running the USB BIOS Flashback tool, please rename the BIOS file (RSB550…
Version 3636 - February 3, 2026: Improve system compatibility Before running the USB BIOS Flashback tool, please rename the BIOS file (RSB550AG.CAP) using BIOSRenamer.
Version 3634 - September 24, 2025: This BIOS update for Ryzen™ 5000 G-Series /4000 G-Series /3000 G-Series /2000 G-Series systems includes a critical fTPM firmware upgrade, enhancing security an…
Version 3631 - August 14, 2025: 1. Updated AGESA version to ComboV2 PI 1.2.0.F. 2. Implemented security updates. Before running the USB BIOS Flashback tool, please rename the BIOS file (RSB55…
Version 3621 - April 1, 2025: 1. Updated AGESA version to ComboV2 PI 1.2.0.E. 2. Implemented security updates. Before running the USB BIOS Flashback tool, please rename the BIOS file (RSB55…
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"" in…
Version 3607 - April 3, 2024: Update AGESA version to ComboV2PI 1.2.0.Ca. Fix AMD processor vulnerabilities security. Before running the USB BIOS Flashback tool, please rename the BIOS file…
Version 3405 - January 8, 2024: 1.This update includes the patch for the LogoFAIL vulnerabilities 2.Support graphics card with M.2 storage Before running the USB BIOS Flashback tool, please r…
Version 3404 - October 26, 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 3205 - September 4, 2023: Recommended for vital update to mitigate the potential security vulnerabilities Before running the USB BIOS Flashback tool, please rename the BIOS file (RSB550…
Version 3202 - August 7, 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 Before runnin…
Version 2806 - November 29, 2022: Improve system compatibility, Before running the USB flashback tool，please rename the BIOS file(RSB550AG.CAP)using BIOSRenamer
Version 2803 - April 29, 2022: 1. Update AMD AM4 AGESA V2 PI 1.2.0.7. 2. Fix AMD fTPM issue causes random stuttering. Before running the USB BIOS Flashback tool, please rename the BIOS file…
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 Before running the USB…
Version 2423 - August 17, 2021: 1. Update AMD AM4 AGESA V2 PI 1.2.0.3 Patch C 2. Improve system performance Before running the USB BIOS Flashback tool, please rename the BIOS file (RSB550AG.C…
Version 2407 - July 21, 2021: Support Windows 11 by default, no settings changes required in the UEFI BIOS. Before running the USB BIOS Flashback tool, please rename the BIOS file (RSB550AG…
Version 2403 - June 19, 2021: 1. Update AMD AM4 AGESA V2 PI 1.2.0.3 Patch A 2. Improve system stability Before running the USB BIOS Flashback tool, please rename the BIOS file (RSB550AG.CAP…
Version 2006 - April 8, 2021: - Update AMD AM4 AGESA V2 PI 1.2.0.1 Patch A - Fix USB connectivity issue Before running the USB BIOS Flashback tool, please rename the BIOS file (RSB550AG.CAP…
Version 2003 - March 27, 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 1805 - January 13, 2021: 1. Update AMD AM4 AGESA V2 PI 1.2.0.0 2. Update AMD RAID UEFI driver 3. Improve system stability Before running the USB BIOS Flashback tool, please rename the…
Version 1602 - January 6, 2021: Update AMD AM4 AGESA V2 PI 1.1.9.0. Before running the BIOS Flashback tool, please rename the BIOS file (RSB550AG.CAP) using BIOSRenamer
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 Before running the USB f…
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 Before running the USB flashback tool，please rename the…
Version 1202 - October 29, 2020: 1. Updated AMD AM4 AGESA V2 PI 1.1.0.0 Patch B 2. Improve system performance and stability 3. Improved DRAM compatibility Before running the USB BIOS Flashback…
Version 1004 - August 18, 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…
ASUS ROG STRIX B550-A GAMING is an ATX board for AM4 Ryzen 5000 Series, 4000 G-Series and 3000 Series processors, with four DDR4 slots up to 128GB and ECC support that varies by CPU. A PCIe 4.0 x16 slot serves Ryzen 5000 and 3000 chips, and the board adds two M.2 slots, six SATA ports, Intel I225-V 2.5Gb Ethernet, HDMI 2.1 and DisplayPort 1.2. It was originally released on June 1, 2020.
What is the latest firmware version of ASUS ROG STRIX B550-A GAMING?
The latest firmware version of ASUS ROG STRIX B550-A GAMING is 3646. It was released on October 20, 2026.
What changed in ASUS ROG STRIX B550-A GAMING firmware version 3646?
ASUS ROG STRIX B550-A GAMING firmware version 3646 includes the following changes: 1. Improve system stability
Before running the USB BIOS Flashback tool, please rename the BIOS file (RSB550AG.CAP) using BIOSRenamer.
Where can I download the latest ASUS ROG STRIX B550-A GAMING firmware?
Details and download instructions for the latest ASUS ROG STRIX B550-A GAMING firmware (version 3646) are on ASUS's official release page: https://rog.asus.com/motherboards/rog-strix/rog-strix-b550-a-gaming-model/helpdesk_bios/
How often does ASUS release firmware updates for ASUS ROG STRIX B550-A GAMING?
We have tracked 30 firmware versions of ASUS ROG STRIX B550-A GAMING. Based on historical patterns, updates are released approximately every 54 days.
When is the next ASUS ROG STRIX B550-A GAMING firmware update expected?
ASUS ROG STRIX B550-A GAMING was recently updated. Based on this product's update history, the next firmware update is expected between November 25, 2026 and February 21, 2027.
Is ASUS ROG STRIX B550-A GAMING still receiving firmware updates?
Yes, ASUS ROG STRIX B550-A GAMING received a firmware update within the last month. The most recent version is 3646.