ASUS TUF GAMING B450M-PRO II

Made by ASUS · firmware

ASUS TUF GAMING B450M-PRO II is an AMD B450 board for Ryzen 5000 Series and earlier processors, including Athlon with Radeon Vega Graphics. It lists eight rear USB ports and a PCIe 3.0 x16 slot plus a PCIe 2.0 x16 slot.

Product released: April 1, 2018

Latest firmware version

Version 4655, released August 27, 2026

Last checked for updates: Oct 31, 2026 11:32 UTC

What's new in version 4655

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 (TB450MR2.CAP) using BIOSRenamer

Download firmware 4655

firmware version history

LatestUpdate has tracked 22 versions of ASUS TUF GAMING B450M-PRO II firmware, released between September 16, 2020 and August 27, 2026.

• Version 4655 - 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 4645 - January 27, 2026: Improve system compatibility Before running the USB BIOS Flashback tool, please rename the BIOS file (TB450MR2.CAP) using BIOSRenamer
• Version 4644 - 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 4641 - 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 (TB450…
• Version 4631 - 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 (TB450…
• Version 4622 - November 14, 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 4604 - April 8, 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 4401 - 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 4202 - July 31, 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 4002 - March 21, 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 3810 - December 13, 2022: Improve system compatibility Before running the USB BIOS Flashback tool, please rename the BIOS file (TB450MR2.CAP) using BIOSRenamer
• Version 3802 - May 12, 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 3604 - March 15, 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 3211 - August 26, 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 (TB450MR2.C…
• Version 3205 - 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 (TB450MR2…
• Version 3202 - June 25, 2021
• Version 3002 - March 19, 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 2807 - 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 2803 - January 18, 2021: 1． Improve system Performance and stability 2． Improve ReSizable BAR compatibility for NVIDIA RTX30 series graphics cards Before running the BIOS Flashback too…
• Version 2602 - January 7, 2021: Update AMD AM4 AGESA V2 PI 1.1.9.0. Before running the BIOS Flashback tool, please rename the BIOS file (TB450MR2.CAP) using BIOSRenamer
• Version 2409 - December 4, 2020: 1.New CPU support 2.Offer a Re-size BAR Support option to enhance GPU performance. Before running the USB BIOS Flashback tool, please rename the BIOS file (TB4…
• Version 0310 - September 16, 2020: Before running the USB BIOS Flashback tool, please rename the BIOS file (TB450MR2.CAP) using BIOSRenamer

Update prediction

A firmware update is expected soon, between October 14, 2026 and January 24, 2027.

ASUS typically releases firmware updates for this product approximately every 153 days.

Official ASUS TUF GAMING B450M-PRO II product page