ASUS Pro A520M-C/CSM firmware
Made by ASUS
The ASUS Pro A520M-C/CSM is an ASUS Pro series business/commercial motherboard supporting AMD Ryzen processors (AMD 500-series chipset) on the AM4 socket with DDR4 memory. It targets small business and commercial deployments 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: September 1, 2020
Latest firmware version
Version 3636, released January 27, 2026
What's new in version 3636
Improve system compatibility
Download firmware 3636
firmware version history
Version 3636 - January 27, 2026
Version 3634 - September 24, 2025
Version 3631 - August 14, 2025
Version 3621 - April 7, 2025
Version 3612 - January 7, 2025
Version 3611 - November 4, 2024
Version 3607 - April 4, 2024
Version 3405 - January 8, 2024
Version 3402 - September 29, 2023
Version 3205 - September 4, 2023
Version 3202 - August 2, 2023
Version 3003 - March 14, 2023
Version 2806 - December 12, 2022
Version 2803 - April 29, 2022
Version 2604 - March 11, 2022
Version 2423 - August 26, 2021
Version 2407 - August 5, 2021
Version 2403 - June 22, 2021
Version 2006 - April 8, 2021
Version 2003 - March 27, 2021
Version 1804 - February 9, 2021
Version 1602 - January 8, 2021
Version 1401 - December 8, 2020
Version 1202 - October 29, 2020
Version 1004 - August 18, 2020
Update prediction
A firmware update was expected by April 27, 2026 but has not yet been released.
ASUS typically releases firmware updates for this product approximately every 100 days.
Official ASUS Pro A520M-C/CSM product page
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