ASUS EX-B860M-V5-CSM is the CSM (Corporate Stable Model) edition of the EX-B860M-V5, intended for business deployments. A micro-ATX LGA1851 board on the Intel B860 chipset for Core Ultra (Series 2) processors, it has two DDR5 slots up to 128GB with CUDIMM support. Video comes from DisplayPort and HDMI, Realtek 2.5Gb Ethernet is onboard, and an ACC Express activation key card ships in the box.
Product released: January 1, 2025
Latest firmware version
Version 3403, released September 23, 2026
Last checked for updates: Oct 31, 2026 06:14 UTC
What's new in version 3403
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 16 versions of ASUS EX-B860M-V5-CSM firmware, released between December 3, 2024 and September 23, 2026.
Version 3403 - 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 3212 - August 13, 2026: 1. Updated ME to version 19.0.11.2289v0.4 and GOP to 1069 2. Introduced the new AEMP Mix Tuning feature to enhance memory compatibility. 3. Optimized overall s…
Version 3020 - April 29, 2026: Improves system performance, stability, and adds support for HUDIMM. Updating this BIOS will simultaneously update the corresponding Intel ME to version 19.0.5…
Version 3011 - April 16, 2026: 1.Improved system performance 2.Silicon Initialization Code updated to 0D.00.0A.30 3.Updated Management Engine (ME) to version 19.0.5.2175v0.3 Updating this BI…
Version 3002 - February 5, 2026: •Support for future Intel® Core™ Ultra series processors. •Update AMI BIOS Codebase to version 5.32_9AACA_RC0D.00.05.10(6011.00)_213. •Update Intel® ME firmwar…
Version 1802 - September 30, 2025: 1. Update the Intel microcode to version 0x11a. 2. Enhanced system performance and device compatibility. Updating this BIOS will simultaneously update the corr…
Version 1606 - July 29, 2025: 1. Improved system performance, stability, and device compatibility. 2. Updated Management Engine (ME) to version 19.0.5.1992. Updating this BIOS will simultan…
Version 1405 - May 14, 2025: Update Management Engine (ME) to version 19.0.5.1984. Updating this BIOS will simultaneously update the corresponding Intel ME to version 19.0.5.1984. The ME v…
Version 1404 - April 25, 2025: Improved system compatibility and performance Updating this BIOS will simultaneously update the corresponding Intel ME to version v19.0.5.1948.The ME version w…
Version 1204 - April 2, 2025: 1. Microcode updated to 0x117. 2. Intel® CSME updated to 19.0.5.1948. 3. Silicon Initialization Code updated to 0D.00.D8.30 (M.R.C: 2.10.0.0). 4. Included DLRM…
Version 1001 - February 11, 2025: This BIOS enhances system performance and improves high-capacity memory compatibility. This includes support for 2*DIMM memory configurations, achieving speeds…
Version 0805 - January 13, 2025: Support up to 6400MT/s when running the maximum memory capacity of 128GB. The exclusive ""AEMP III"" option will appear when two Kingston RAM DDR5 6400MT/s 64G…
Version 0803 - January 8, 2025: 1. Silicon Initialization Code updated to v0D.00.CC.50 (M.R.C:1.4.6.81). 2. ME FW updated to v19.0.0.1854v2.2. 3. Improve system performance and enhance gaming…
Version 0606 - December 27, 2024: 1. Intel microcode updated to 0x114. 2. M.R.C updated to v1.4.6.64. 3. ME FW updated to v19.0.0.1827. 4. GOP updated to v1057. 5. RST VMD updated to v20.1.0.58…
ASUS EX-B860M-V5-CSM is the CSM (Corporate Stable Model) edition of the EX-B860M-V5, intended for business deployments. A micro-ATX LGA1851 board on the Intel B860 chipset for Core Ultra (Series 2) processors, it has two DDR5 slots up to 128GB with CUDIMM support. Video comes from DisplayPort and HDMI, Realtek 2.5Gb Ethernet is onboard, and an ACC Express activation key card ships in the box. It was originally released on January 1, 2025.
What is the latest firmware version of ASUS EX-B860M-V5-CSM?
The latest firmware version of ASUS EX-B860M-V5-CSM is 3403. It was released on September 23, 2026.
What changed in ASUS EX-B860M-V5-CSM firmware version 3403?
ASUS EX-B860M-V5-CSM firmware version 3403 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.
Where can I download the latest ASUS EX-B860M-V5-CSM firmware?
Details and download instructions for the latest ASUS EX-B860M-V5-CSM firmware (version 3403) are on ASUS's official release page: https://www.asus.com/motherboards-components/motherboards/csm/ex-b860m-v5-csm/helpdesk_bios/
How often does ASUS release firmware updates for ASUS EX-B860M-V5-CSM?
We have tracked 16 firmware versions of ASUS EX-B860M-V5-CSM. Based on historical patterns, updates are released approximately every 50 days.
When is the next ASUS EX-B860M-V5-CSM firmware update expected?
Based on this product's update history, a firmware update for ASUS EX-B860M-V5-CSM is expected soon, between October 13, 2026 and November 27, 2026.
Is ASUS EX-B860M-V5-CSM still receiving firmware updates?
Yes, ASUS EX-B860M-V5-CSM received a firmware update within the last 3 months. The most recent version is 3403.