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Made by ASUS · firmware
Business systems on Intel Core Ultra (Series 2) get an onboard TPM with ASUS Pro B860M-CT-CSM, the CSM (Corporate Stable Model) edition of the base Pro B860M-CT. The micro-ATX LGA1851 board uses the B860 chipset with 4 DDR5 slots up to 256GB, a PCIe 5.0 x4 M.2 slot beside a PCIe 4.0 one, and rear USB 10Gbps Type-C and Type-A ports.
Product released: January 1, 2025
Version 3401, released September 23, 2026
Last checked for updates: Nov 1, 2026 06:25 UTC
Enhanced memory performance, system stability, and compatibility with CXMT memory chips for improved low-latency operation. Updating this BIOS will simultaneously update the corresponding Intel ME to version 19.0.11.2289. The ME version will remain updated even if you roll back to an older BIOS later. We recommend using EZ Flash to update the BIOS, as it supports ZIP format and auto-updates the ME.
LatestUpdate has tracked 10 versions of ASUS Pro B860M-CT-CSM firmware, released between May 14, 2025 and September 23, 2026.
A firmware update is expected soon, between October 18, 2026 and December 14, 2026.
ASUS typically releases firmware updates for this product approximately every 39 days.
Official ASUS Pro B860M-CT-CSM product page
Business systems on Intel Core Ultra (Series 2) get an onboard TPM with ASUS Pro B860M-CT-CSM, the CSM (Corporate Stable Model) edition of the base Pro B860M-CT. The micro-ATX LGA1851 board uses the B860 chipset with 4 DDR5 slots up to 256GB, a PCIe 5.0 x4 M.2 slot beside a PCIe 4.0 one, and rear USB 10Gbps Type-C and Type-A ports. It was originally released on January 1, 2025.
The latest firmware version of ASUS Pro B860M-CT-CSM is 3401. It was released on September 23, 2026.
ASUS Pro B860M-CT-CSM firmware version 3401 includes the following changes: Enhanced memory performance, system stability, and compatibility with CXMT memory chips for improved low-latency operation. Updating this BIOS will simultaneously update the corresponding Intel ME to version 19.0.11.2289. The ME version will remain updated even if you roll back to an older BIOS later. We recommend using EZ Flash to update the BIOS, as it supports ZIP format and auto-updates the ME.
Details and download instructions for the latest ASUS Pro B860M-CT-CSM firmware (version 3401) are on ASUS's official release page: https://www.asus.com/motherboards-components/motherboards/csm/pro-b860m-ct-csm/helpdesk_bios/
We have tracked 10 firmware versions of ASUS Pro B860M-CT-CSM. Based on historical patterns, updates are released approximately every 39 days.
Based on this product's update history, a firmware update for ASUS Pro B860M-CT-CSM is expected soon, between October 18, 2026 and December 14, 2026.
Yes, ASUS Pro B860M-CT-CSM received a firmware update within the last 3 months. The most recent version is 3401.