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Made by ASUS · firmware
ASUS Z790-AYW OC WIFI-CSM is the CSM (Corporate Stable Model) edition of the Z790-AYW OC WIFI, aimed at business deployments. It uses the Intel Z790 chipset and an LGA1700 socket for 14th through 12th Gen Core processors, with two DDR5 slots up to 96GB, three M.2 slots, Realtek 2.5Gb Ethernet and Wi-Fi 6. The documentation also lists an ACC Express Activation Key Card.
Product released: October 1, 2022
Version 1840, released September 23, 2026
Last checked for updates: Oct 31, 2026 12:02 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 16.1.40.2765. Please note after you update this BIOS, the ME version remains the updated one even if you roll back to an older BIOS later. Before running the USB BIOS Flashback tool, please rename the BIOS file (A5576.CAP) using BIOSRenamer.
LatestUpdate has tracked 9 versions of ASUS Z790-AYW OC WIFI-CSM firmware, released between June 17, 2024 and September 23, 2026.
This product was recently updated. The next firmware update is expected between November 7, 2026 and March 1, 2027.
ASUS typically releases firmware updates for this product approximately every 145 days.
Official ASUS Z790-AYW OC WIFI-CSM product page
ASUS Z790-AYW OC WIFI-CSM is the CSM (Corporate Stable Model) edition of the Z790-AYW OC WIFI, aimed at business deployments. It uses the Intel Z790 chipset and an LGA1700 socket for 14th through 12th Gen Core processors, with two DDR5 slots up to 96GB, three M.2 slots, Realtek 2.5Gb Ethernet and Wi-Fi 6. The documentation also lists an ACC Express Activation Key Card. It was originally released on October 1, 2022.
The latest firmware version of ASUS Z790-AYW OC WIFI-CSM is 1840. It was released on September 23, 2026.
ASUS Z790-AYW OC WIFI-CSM firmware version 1840 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. Please note after you update this BIOS, the ME version remains the updated one even if you roll back to an older BIOS later. Before running the USB BIOS Flashback tool, please rename the BIOS file (A5576.CAP) using BIOSRenamer.
Details and download instructions for the latest ASUS Z790-AYW OC WIFI-CSM firmware (version 1840) are on ASUS's official release page: https://www.asus.com/motherboards-components/motherboards/csm/z790-ayw-oc-wifi-csm/helpdesk_bios/
We have tracked 9 firmware versions of ASUS Z790-AYW OC WIFI-CSM. Based on historical patterns, updates are released approximately every 145 days.
ASUS Z790-AYW OC WIFI-CSM was recently updated. Based on this product's update history, the next firmware update is expected between November 7, 2026 and March 1, 2027.
Yes, ASUS Z790-AYW OC WIFI-CSM received a firmware update within the last 3 months. The most recent version is 1840.