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Made by ASUS · firmware
Built around the AMD B850 chipset and Socket AM5, ASUS EX-B850M-V9 is a micro-ATX board for Ryzen 9000, 8000 and 7000 processors, with four DDR5 DIMM slots taking up to 256GB. Storage covers two M.2 slots, the first running PCIe 5.0 x4 on Ryzen 9000 and 7000, plus four SATA 6Gb/s ports. It also has Realtek 2.5Gb Ethernet, two USB 10Gbps Type-A ports and HDMI output.
Product released: January 1, 2025
Version 1804, released September 21, 2026
Last checked for updates: Oct 31, 2026 17:56 UTC
1. Update to AGESA ComboAM5 PI 1.3.0.1d. 2. Enhanced memory performance, system stability, and compatibility with CXMT memory chips for improved low-latency operation.
LatestUpdate has tracked 10 versions of ASUS EX-B850M-V9 firmware, released between January 7, 2026 and September 21, 2026.
A firmware update was expected by November 1, 2026 but has not yet been released.
ASUS typically releases firmware updates for this product approximately every 43 days.
Official ASUS EX-B850M-V9 product page
Built around the AMD B850 chipset and Socket AM5, ASUS EX-B850M-V9 is a micro-ATX board for Ryzen 9000, 8000 and 7000 processors, with four DDR5 DIMM slots taking up to 256GB. Storage covers two M.2 slots, the first running PCIe 5.0 x4 on Ryzen 9000 and 7000, plus four SATA 6Gb/s ports. It also has Realtek 2.5Gb Ethernet, two USB 10Gbps Type-A ports and HDMI output. It was originally released on January 1, 2025.
The latest firmware version of ASUS EX-B850M-V9 is 1804. It was released on September 21, 2026.
ASUS EX-B850M-V9 firmware version 1804 includes the following changes: 1. Update to AGESA ComboAM5 PI 1.3.0.1d. 2. Enhanced memory performance, system stability, and compatibility with CXMT memory chips for improved low-latency operation.
Details and download instructions for the latest ASUS EX-B850M-V9 firmware (version 1804) are on ASUS's official release page: https://www.asus.com/motherboards-components/motherboards/expedition/ex-b850m-v9/helpdesk_bios/
We have tracked 10 firmware versions of ASUS EX-B850M-V9. Based on historical patterns, updates are released approximately every 43 days.
Based on ASUS EX-B850M-V9's historical update patterns, a firmware update was expected by November 1, 2026 but has not yet been released. This may indicate an upcoming release or a change in the product's update schedule.
Yes, ASUS EX-B850M-V9 received a firmware update within the last 3 months. The most recent version is 1804.