ASUS TUF B450-PLUS GAMING firmware

Made by ASUS

The ASUS TUF B450-PLUS GAMING is an ASUS TUF series durable mainstream motherboard supporting AMD Ryzen processors (AMD 400-series chipset) on the AM4 socket with DDR4 memory. It targets users seeking rugged, reliable performance 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 February 2, 2026

What's new in version 4645

Improve system compatibility

Download firmware 4645

firmware version history

• Version 4645 - February 2, 2026
• Version 4622 - November 29, 2024
• Version 4604 - April 8, 2024
• Version 4401 - November 1, 2023
• Version 4202 - July 27, 2023
• Version 4003 - March 21, 2023
• Version 3802 - May 12, 2022
• Version 3604 - March 16, 2022
• Version 3211 - August 26, 2021
• Version 3205 - August 5, 2021
• Version 3202 - June 28, 2021
• Version 3002 - March 19, 2021
• Version 2807 - February 9, 2021
• Version 2803 - January 18, 2021
• Version 2602 - January 15, 2021
• Version 2409 - December 7, 2020
• Version 2202 - July 17, 2020
• Version 2008 - December 11, 2019
• Version 2006 - November 25, 2019
• Version 1823 - October 30, 2019
• Version 1821 - October 29, 2019
• Version 1820 - September 24, 2019
• Version 1816 - September 9, 2019
• Version 1804 - August 1, 2019
• Version 1607 - June 21, 2019
• Version 1201 - May 16, 2019
• Version 1002 - March 26, 2019
• Version 0809 - March 8, 2019
• Version 0604 - December 21, 2018
• Version 0601 - November 26, 2018
• Version 0409 - September 4, 2018
• Version 0402 - July 20, 2018
• Version 0221 - June 22, 2018

Update prediction

A firmware update is expected soon, between February 24, 2026 and May 7, 2026.

ASUS typically releases firmware updates for this product approximately every 280 days.

Official ASUS TUF B450-PLUS GAMING product page