In a micro-ATX format, ASUS TUF GAMING B550M-PLUS (WI-FI) uses the AMD B550 chipset with an AM4 socket for Ryzen 5000, 5000 G-Series, 4000 G-Series and 3000 Series processors and up to 128GB of four-slot DDR4. It combines Realtek RTL8125B 2.5Gb Ethernet with Intel Wi-Fi 6 AX200, and adds two M.2 slots under an aluminum heatsink, four SATA ports, Q-LED indicators and a BIOS FlashBack button.
Product released: June 1, 2020
Latest firmware version
Version 3645, released September 15, 2026
Last checked for updates: Oct 31, 2026 23:29 UTC
What's new in version 3645
Improve system compatibility
Before running the USB flashback tool，please rename the BIOS file (TG550MPW.CAP) using BIOSRenamer
LatestUpdate has tracked 32 versions of ASUS TUF GAMING B550M-PLUS (WI-FI) firmware, released between May 7, 2020 and September 15, 2026.
Version 3645 - September 15, 2026: Improve system compatibility Before running the USB flashback tool，please rename the BIOS file (TG550MPW.CAP) using BIOSRenamer
Version 3644 - September 1, 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, ple…
Version 3641 - July 1, 2026: 1.Update AGESA version to ComboV2 PI 1.2.0.12. 2. Implemented security updates. Before running the USB flashback tool，please rename the BIOS file (TG550MPW.CAP…
Version 3631 - August 14, 2025: 1. Updated AGESA version to ComboV2 PI 1.2.0.F. 2. Implemented security updates. Before running the USB flashback tool，please rename the BIOS file (TG550MPW.CA…
Version 3621 - April 7, 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 (TG550MP…
Version 3611 - November 1, 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 4, 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 3404 - November 1, 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 - July 27, 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(TG550MPW.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 (TG550MPW.C…
Version 2407 - August 4, 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 (TG550MPW…
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 (TG550MPW.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 (TG550MPW.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 1804 - February 9, 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 (TG550MPW.CAP) using BIOSRenamer
Version 1401 - December 8, 2020: 1.New CPU support 2.Add a ReSize BAR shortcut for AMD SAM support Before running the USB BIOS Flashback tool, please rename the BIOS file (TG550MPW.CAP) using…
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 B…
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 BIOS Flashback tool, please rena…
Version 1202 - October 28, 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…
Version 0805 - July 3, 2020: - Improved system performance and compatibility - Improved DRAM compatibility - Update AM4 combo V2 PI 1.0.0.2 Before running the USB flashback tool，please ren…
In a micro-ATX format, ASUS TUF GAMING B550M-PLUS (WI-FI) uses the AMD B550 chipset with an AM4 socket for Ryzen 5000, 5000 G-Series, 4000 G-Series and 3000 Series processors and up to 128GB of four-slot DDR4. It combines Realtek RTL8125B 2.5Gb Ethernet with Intel Wi-Fi 6 AX200, and adds two M.2 slots under an aluminum heatsink, four SATA ports, Q-LED indicators and a BIOS FlashBack button. It was originally released on June 1, 2020.
What is the latest firmware version of ASUS TUF GAMING B550M-PLUS (WI-FI)?
The latest firmware version of ASUS TUF GAMING B550M-PLUS (WI-FI) is 3645. It was released on September 15, 2026.
What changed in ASUS TUF GAMING B550M-PLUS (WI-FI) firmware version 3645?
ASUS TUF GAMING B550M-PLUS (WI-FI) firmware version 3645 includes the following changes: Improve system compatibility
Before running the USB flashback tool，please rename the BIOS file (TG550MPW.CAP) using BIOSRenamer
Where can I download the latest ASUS TUF GAMING B550M-PLUS (WI-FI) firmware?
Details and download instructions for the latest ASUS TUF GAMING B550M-PLUS (WI-FI) firmware (version 3645) are on ASUS's official release page: https://www.asus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550m-plus-wi-fi/helpdesk_bios/
How often does ASUS release firmware updates for ASUS TUF GAMING B550M-PLUS (WI-FI)?
We have tracked 32 firmware versions of ASUS TUF GAMING B550M-PLUS (WI-FI). Based on historical patterns, updates are released approximately every 76 days.
When is the next ASUS TUF GAMING B550M-PLUS (WI-FI) firmware update expected?
Based on this product's update history, a firmware update for ASUS TUF GAMING B550M-PLUS (WI-FI) is expected soon, between October 10, 2026 and January 7, 2027.
Is ASUS TUF GAMING B550M-PLUS (WI-FI) still receiving firmware updates?
Yes, ASUS TUF GAMING B550M-PLUS (WI-FI) received a firmware update within the last 3 months. The most recent version is 3645.