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Made by ASUS · firmware
ASUS Z790-AYW WIFI W-CSM is the CSM (Corporate Stable Model) edition of the Z790-AYW WIFI W, aimed at business deployments. It is an ATX board on the Intel Z790 chipset for LGA1700 14th through 12th Gen Core processors, with four DDR5 slots up to 192GB, three M.2 slots, Realtek 2.5Gb Ethernet, Wi-Fi 6 with Bluetooth 5.3 and a Thunderbolt (USB4) header.
Product released: October 1, 2022
Version 1840, released September 23, 2026
Last checked for updates: Oct 31, 2026 12:09 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 (A5540.CAP) using BIOSRenamer.
LatestUpdate has tracked 10 versions of ASUS Z790-AYW WIFI W-CSM firmware, released between May 7, 2024 and September 23, 2026.
This product was recently updated. The next firmware update is expected between November 3, 2026 and February 18, 2027.
ASUS typically releases firmware updates for this product approximately every 145 days.
Official ASUS Z790-AYW WIFI W-CSM product page
ASUS Z790-AYW WIFI W-CSM is the CSM (Corporate Stable Model) edition of the Z790-AYW WIFI W, aimed at business deployments. It is an ATX board on the Intel Z790 chipset for LGA1700 14th through 12th Gen Core processors, with four DDR5 slots up to 192GB, three M.2 slots, Realtek 2.5Gb Ethernet, Wi-Fi 6 with Bluetooth 5.3 and a Thunderbolt (USB4) header. It was originally released on October 1, 2022.
The latest firmware version of ASUS Z790-AYW WIFI W-CSM is 1840. It was released on September 23, 2026.
ASUS Z790-AYW WIFI W-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 (A5540.CAP) using BIOSRenamer.
Details and download instructions for the latest ASUS Z790-AYW WIFI W-CSM firmware (version 1840) are on ASUS's official release page: https://www.asus.com/motherboards-components/motherboards/csm/z790-ayw-wifi-w-csm/helpdesk_bios/
We have tracked 10 firmware versions of ASUS Z790-AYW WIFI W-CSM. Based on historical patterns, updates are released approximately every 145 days.
ASUS Z790-AYW WIFI W-CSM was recently updated. Based on this product's update history, the next firmware update is expected between November 3, 2026 and February 18, 2027.
Yes, ASUS Z790-AYW WIFI W-CSM received a firmware update within the last 3 months. The most recent version is 1840.