ASUS TUF GAMING B550-PLUS WIFI II is an ATX AMD B550 board for Ryzen 5000, 5000 G-Series, 4000 G-Series and 3000 series processors, with four DDR4 slots up to 128GB. Its first PCIe x16 slot runs at PCIe 4.0 with Ryzen 5000 and 3000, and it adds two M.2 slots, 2x2 Wi-Fi 6 with Bluetooth 5.2, Realtek 2.5Gb Ethernet and DisplayPort 1.2 plus HDMI 2.1.
Product released: June 1, 2020
Latest firmware version
Version 3645, released September 14, 2026
Last checked for updates: Oct 31, 2026 23:54 UTC
What's new in version 3645
Improve system compatibility
Before running the USB BIOS Flashback tool，please rename the BIOS file (TG550PW2.CAP) using BIOSRenamer.
LatestUpdate has tracked 18 versions of ASUS TUF GAMING B550-PLUS WIFI II firmware, released between October 21, 2021 and September 14, 2026.
Version 3645 - September 14, 2026: Improve system compatibility Before running the USB BIOS Flashback tool，please rename the BIOS file (TG550PW2.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，ple…
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 (TG550PW…
Version 3636 - January 28, 2026: Improve system compatibility Before running the USB BIOS Flashback tool，please rename the BIOS file (TG550PW2.CAP) using BIOSRenamer.
Version 3634 - September 22, 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 (TG550P…
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 (TG550P…
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 re…
Version 3404 - October 23, 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 - August 29, 2023: Recommended for vital update to mitigate the potential security vulnerabilities Before running the USB BIOS Flashback tool，please rename the BIOS file (TG550PW…
Version 3202 - July 14, 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(TG550PW2.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 0303 - October 21, 2021: First Release Before running the USB BIOS Flashback tool, please rename the BIOS file (TG550PW2.CAP) using BIOSRenamer.
Update prediction
This product was recently updated. The next firmware update is expected between November 18, 2026 and February 14, 2027.
ASUS typically releases firmware updates for this product approximately every 67 days.
ASUS TUF GAMING B550-PLUS WIFI II is an ATX AMD B550 board for Ryzen 5000, 5000 G-Series, 4000 G-Series and 3000 series processors, with four DDR4 slots up to 128GB. Its first PCIe x16 slot runs at PCIe 4.0 with Ryzen 5000 and 3000, and it adds two M.2 slots, 2x2 Wi-Fi 6 with Bluetooth 5.2, Realtek 2.5Gb Ethernet and DisplayPort 1.2 plus HDMI 2.1. It was originally released on June 1, 2020.
What is the latest firmware version of ASUS TUF GAMING B550-PLUS WIFI II?
The latest firmware version of ASUS TUF GAMING B550-PLUS WIFI II is 3645. It was released on September 14, 2026.
What changed in ASUS TUF GAMING B550-PLUS WIFI II firmware version 3645?
ASUS TUF GAMING B550-PLUS WIFI II firmware version 3645 includes the following changes: Improve system compatibility
Before running the USB BIOS Flashback tool，please rename the BIOS file (TG550PW2.CAP) using BIOSRenamer.
Where can I download the latest ASUS TUF GAMING B550-PLUS WIFI II firmware?
Details and download instructions for the latest ASUS TUF GAMING B550-PLUS WIFI II firmware (version 3645) are on ASUS's official release page: https://www.asus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b550-plus-wifi-ii/helpdesk_bios/
How often does ASUS release firmware updates for ASUS TUF GAMING B550-PLUS WIFI II?
We have tracked 18 firmware versions of ASUS TUF GAMING B550-PLUS WIFI II. Based on historical patterns, updates are released approximately every 67 days.
When is the next ASUS TUF GAMING B550-PLUS WIFI II firmware update expected?
ASUS TUF GAMING B550-PLUS WIFI II was recently updated. Based on this product's update history, the next firmware update is expected between November 18, 2026 and February 14, 2027.
Is ASUS TUF GAMING B550-PLUS WIFI II still receiving firmware updates?
Yes, ASUS TUF GAMING B550-PLUS WIFI II received a firmware update within the last 3 months. The most recent version is 3645.