The ASUS TUF GAMING B450M-PRO II is an ASUS TUF GAMING series mid-range gaming motherboard supporting AMD Ryzen processors (AMD 400-series chipset) on the AM4 socket with DDR4 memory. It targets gamers seeking reliability and value and provides a comprehensive feature set for its platform tier. BIOS updates deliver stability improvements, security patches, new processor compatibility, and platform optimizations.
Product released: April 1, 2018
Latest firmware version
Version 4645, released January 27, 2026
Last checked for updates: Aug 2, 2026 10:38 UTC
What's new in version 4645
Improve system compatibility
Before running the USB BIOS Flashback tool, please rename the BIOS file (TB450MR2.CAP) using BIOSRenamer
LatestUpdate has tracked 21 versions of ASUS TUF GAMING B450M-PRO II firmware, released between September 16, 2020 and January 27, 2026.
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 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
This product has not received a firmware update in a long time and may be discontinued.
ASUS typically releases firmware updates for this product approximately every 113 days.
The ASUS TUF GAMING B450M-PRO II is an ASUS TUF GAMING series mid-range gaming motherboard supporting AMD Ryzen processors (AMD 400-series chipset) on the AM4 socket with DDR4 memory. It targets gamers seeking reliability and value and provides a comprehensive feature set for its platform tier. BIOS updates deliver stability improvements, security patches, new processor compatibility, and platform optimizations. It was originally released on April 1, 2018.
What is the latest firmware version of ASUS TUF GAMING B450M-PRO II?
The latest firmware version of ASUS TUF GAMING B450M-PRO II is 4645. It was released on January 27, 2026.
What changed in ASUS TUF GAMING B450M-PRO II firmware version 4645?
ASUS TUF GAMING B450M-PRO II firmware version 4645 includes the following changes: Improve system compatibility
Before running the USB BIOS Flashback tool, please rename the BIOS file (TB450MR2.CAP) using BIOSRenamer
How do I update the ASUS TUF GAMING B450M-PRO II firmware?
To update the ASUS TUF GAMING B450M-PRO II firmware, download the latest version (4645) from ASUS's website. Follow ASUS's installation instructions, which typically involve copying the firmware file to a memory card or connecting via USB. You can download the latest firmware from ASUS's support page.
Where can I download the latest ASUS TUF GAMING B450M-PRO II firmware?
Details and download instructions for the latest ASUS TUF GAMING B450M-PRO II firmware (version 4645) are on ASUS's official release page: https://www.asus.com/motherboards-components/motherboards/tuf-gaming/tuf-gaming-b450m-pro-ii/helpdesk_bios/
How do I check for ASUS TUF GAMING B450M-PRO II firmware updates?
You can track ASUS TUF GAMING B450M-PRO II firmware updates automatically on LatestUpdate.io. We monitor ASUS's releases and notify you when new firmware versions are available, so you never miss an update.
How often does ASUS release firmware updates for ASUS TUF GAMING B450M-PRO II?
We have tracked 21 firmware versions of ASUS TUF GAMING B450M-PRO II. Based on historical patterns, updates are released approximately every 113 days. ASUS releases updates to fix bugs, improve performance, and add new features. Track this product on LatestUpdate.io to be notified of future releases.
Has ASUS TUF GAMING B450M-PRO II been discontinued?
ASUS TUF GAMING B450M-PRO II has not received a firmware update in a long time and may be discontinued. However, some products resume updates after extended periods. Track this product on LatestUpdate.io to be notified if a new update is released.
Is ASUS TUF GAMING B450M-PRO II still receiving firmware updates?
Yes, ASUS TUF GAMING B450M-PRO II received a firmware update within the last year. The most recent version is 4645.
Who makes ASUS TUF GAMING B450M-PRO II?
ASUS TUF GAMING B450M-PRO II is manufactured by ASUS. Visit the official product page for more information.