ASUS B450M-DRAGON firmware

Made by ASUS

The ASUS B450M-DRAGON is an ASUS mainstream motherboard supporting AMD Ryzen processors (AMD 400-series chipset) on the AM4 socket with DDR4 memory. It targets mainstream users 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

What's new in version 4645

Improve system compatibility

Download firmware 4645

firmware version history

• Version 4645 — January 27, 2026
• Version 4644 — September 22, 2025
• Version 4641 — August 14, 2025
• Version 4631 — April 7, 2025
• Version 4622 — November 14, 2024
• Version 4604 — April 8, 2024
• Version 4401 — October 31, 2023
• Version 4202 — July 27, 2023
• Version 4002 — March 21, 2023
• Version 3802 — May 12, 2022
• Version 3604 — March 15, 2022
• Version 3211 — August 26, 2021
• Version 3205 — July 24, 2021
• Version 3202 — June 24, 2021
• Version 3002 — March 19, 2021
• Version 2807 — February 9, 2021
• Version 2803 — January 18, 2021
• Version 2602 — January 8, 2021
• Version 2409 — December 4, 2020
• Version 2202 — July 17, 2020
• Version 2006 — November 25, 2019
• Version 1823 — October 30, 2019
• Version 1821 — October 1, 2019
• Version 1820 — September 24, 2019
• Version 1814 — September 9, 2019
• Version 1804 — July 31, 2019
• Version 1607 — June 21, 2019
• Version 1201 — May 14, 2019
• Version 1002 — March 25, 2019
• Version 0809 — March 8, 2019
• Version 0401 — January 11, 2019
• Version 0204 — December 14, 2018

Update prediction

A firmware update is expected soon, between February 26, 2026 and May 6, 2026.

ASUS typically releases firmware updates for this product approximately every 114 days.

Official ASUS B450M-DRAGON product page