ASUS Pro B660M-C-CSM is the CSM (Corporate Stable Model) edition of the base Pro B660M-C, aimed at business deployments: an mATX LGA1700 board on the Intel B660 chipset for 12th Gen Core processors, with 4 DDR5 slots up to 128GB. Video comes from 2 DisplayPorts, HDMI and D-Sub, storage from 2 PCIe 4.0 M.2 slots and 4 SATA ports, and networking from Intel 1Gb Ethernet.
Product released: January 1, 2022
Latest firmware version
Version 4005, released September 23, 2026
Last checked for updates: Oct 31, 2026 06:24 UTC
What's new in version 4005
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 16.1.40.2765. 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. If using USB BIOS FlashBack,ENsure the ME version matches the BIOS version and rename the BIOS file with BIOSRenamer before proceeding.
LatestUpdate has tracked 22 versions of ASUS Pro B660M-C-CSM firmware, released between March 3, 2022 and September 23, 2026.
Version 4005 - September 23, 2026: Enhanced memory performance, system stability, and compatibility with CXMT memory chips for improved low-latency operation. Updating this BIOS will simultaneou…
Version 4003 - June 10, 2026: Update Intel microcode for enhanced stability & security. Updating this BIOS will simultaneously update the corresponding Intel ME to version 16.1.40.2765. Ple…
Version 3811 - November 21, 2025: 1. Improved system performance, stability, and device compatibility. 2. Implemented security updates. 3. Updated Management Engine (ME) to version 16.1.35.2557…
Version 3802 - May 29, 2025: Update the Intel microcode to version 0x12F to further improve system conditions that may contribute to Vmin Shift instability in Intel 13th and 14th Gen deskt…
Version 3601 - November 1, 2024: 1. Updated with Intel microcode 0x12B to address elevated voltage requests during idle or light activity, further mitigating Vmin Shift instability issues. 2.…
Version 3403 - August 9, 2024: 1.The new BIOS includes Intel microcode 0x129 to enhance the stability of Intel Core 13th and 14th Gen processors. 2.The factory default settings are set to In…
Version 3401 - July 15, 2024: 1. Updated with microcode 0x125 to ensure eTVB operates within Intel specifications. Updating this BIOS will simultaneously update the corresponding Intel ME t…
Version 3212 - May 31, 2024: 1. Introduce the ""Performance Preferences"" with options for Intel Default Settings (Performance) and ASUS Advanced OC Profile. 2. Redefine the factory defaul…
Version 3210 - April 23, 2024: 1. The update introduces the Intel Baseline Profile option, allowing users to revert to Intel factory default settings for basic functionality, lower power lim…
Version 3205 - April 1, 2024: 1.Improved DDR5 compatibility 2.Further optimized CEP settings when disabled Updating this BIOS will simultaneously update the corresponding Intel ME to versio…
Version 3202 - March 7, 2024: • Update the Intel microcode to version 0x123, allowing for disabling CEP for improved performance on Intel 14th Gen series processors. *Disabling CEP for perf…
Version 3010 - December 20, 2023: 1. Update ME to version 16.1.30.2307v4 2. Improve system performance 3. Improve DRAM compatibility 4. This update includes the patch for the LogoFAIL vulnerabi…
Version 2802 - September 28, 2023: 1.Update Microcode for Intel® Core™ 14th gen processors 2.Update ME to version 16.1.30.2264v2 for Intel® Core™ 14th gen processors 3.Improve system stability U…
Version 2611 - August 25, 2023: 1.Recommended for vital update to mitigate the potential security vulnerabilities 2.Update the Intel ME to version 16.1.27.2176V2 3.Improve system stability Up…
Version 2603 - July 7, 2023: 1. Improve system stability and compatibility for the Intel® Core™ 14th gen processors. 2. Fix the compatibility and instability issues when configuring RAID f…
Version 2212 - January 9, 2023: 1.improve single 24/48GB memory module compatibility 2.We suggest updating the ME firmware to the latest version 16.1.25.2020v2 Before BIOS update, please down…
Version 2012 - October 20, 2022: 1. Improve system performance 2. Support Intel Arc graphics 3.Many ME updates and optimizations for the next-gen CPU are included. This version does NOT allow…
ASUS Pro B660M-C-CSM is the CSM (Corporate Stable Model) edition of the base Pro B660M-C, aimed at business deployments: an mATX LGA1700 board on the Intel B660 chipset for 12th Gen Core processors, with 4 DDR5 slots up to 128GB. Video comes from 2 DisplayPorts, HDMI and D-Sub, storage from 2 PCIe 4.0 M.2 slots and 4 SATA ports, and networking from Intel 1Gb Ethernet. It was originally released on January 1, 2022.
What is the latest firmware version of ASUS Pro B660M-C-CSM?
The latest firmware version of ASUS Pro B660M-C-CSM is 4005. It was released on September 23, 2026.
What changed in ASUS Pro B660M-C-CSM firmware version 4005?
ASUS Pro B660M-C-CSM firmware version 4005 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 16.1.40.2765. 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. If using USB BIOS FlashBack,ENsure the ME version matches the BIOS version and rename the BIOS ...
Where can I download the latest ASUS Pro B660M-C-CSM firmware?
Details and download instructions for the latest ASUS Pro B660M-C-CSM firmware (version 4005) are on ASUS's official release page: https://www.asus.com/motherboards-components/motherboards/business/pro-b660m-c-csm/helpdesk_bios/
How often does ASUS release firmware updates for ASUS Pro B660M-C-CSM?
We have tracked 22 firmware versions of ASUS Pro B660M-C-CSM. Based on historical patterns, updates are released approximately every 141 days.
When is the next ASUS Pro B660M-C-CSM firmware update expected?
ASUS Pro B660M-C-CSM was recently updated. Based on this product's update history, the next firmware update is expected between November 5, 2026 and January 20, 2027.
Is ASUS Pro B660M-C-CSM still receiving firmware updates?
Yes, ASUS Pro B660M-C-CSM received a firmware update within the last 3 months. The most recent version is 4005.