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Made by ASUS · firmware
Aimed at business deployments, ASUS PRIME B550M-K ARGB-CSM is the CSM (Corporate Stable Model) edition of the PRIME B550M-K ARGB. The micro-ATX AM4 board on the AMD B550 chipset has two DDR4 slots up to 64GB, two M.2 slots, four SATA 6Gb/s ports, Realtek 1Gb Ethernet and DisplayPort plus HDMI outputs.
Product released: June 1, 2020
Version 3645, released September 14, 2026
Last checked for updates: Oct 31, 2026 05:42 UTC
Improve system compatibility
LatestUpdate has tracked 13 versions of ASUS PRIME B550M-K ARGB-CSM firmware, released between August 4, 2023 and September 14, 2026.
This product was recently updated. The next firmware update is expected between November 5, 2026 and January 31, 2027.
ASUS typically releases firmware updates for this product approximately every 67 days.
Official ASUS PRIME B550M-K ARGB-CSM product page
Aimed at business deployments, ASUS PRIME B550M-K ARGB-CSM is the CSM (Corporate Stable Model) edition of the PRIME B550M-K ARGB. The micro-ATX AM4 board on the AMD B550 chipset has two DDR4 slots up to 64GB, two M.2 slots, four SATA 6Gb/s ports, Realtek 1Gb Ethernet and DisplayPort plus HDMI outputs. It was originally released on June 1, 2020.
The latest firmware version of ASUS PRIME B550M-K ARGB-CSM is 3645. It was released on September 14, 2026.
ASUS PRIME B550M-K ARGB-CSM firmware version 3645 includes the following changes: Improve system compatibility
Details and download instructions for the latest ASUS PRIME B550M-K ARGB-CSM firmware (version 3645) are on ASUS's official release page: https://www.asus.com/motherboards-components/motherboards/csm/prime-b550m-k-argb-csm/helpdesk_bios/
We have tracked 13 firmware versions of ASUS PRIME B550M-K ARGB-CSM. Based on historical patterns, updates are released approximately every 67 days.
ASUS PRIME B550M-K ARGB-CSM was recently updated. Based on this product's update history, the next firmware update is expected between November 5, 2026 and January 31, 2027.
Yes, ASUS PRIME B550M-K ARGB-CSM received a firmware update within the last 3 months. The most recent version is 3645.