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Made by ASUS · firmware
ASUS Pro WS B850M-ACE SE is a micro-ATX workstation board on the AMD B850 chipset for AM5 Ryzen 9000, 8000 and 7000 processors and EPYC 4005, with four DDR5 slots up to 256GB supporting ECC and non-ECC modules. Networking combines Realtek 10Gb and Intel 2.5Gb Ethernet with a dedicated 1Gb port for BMC and IPMI, and an AST2600 supplies the VGA output.
Product released: January 1, 2025
Version 2503, released September 22, 2026
Last checked for updates: Oct 31, 2026 06:06 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. Before running the USB BIOS Flashback tool, please rename the BIOS file (A5720.CAP) using BIOSRenamer.
LatestUpdate has tracked 11 versions of ASUS Pro WS B850M-ACE SE firmware, released between October 3, 2025 and September 22, 2026.
A firmware update is expected soon, between October 11, 2026 and November 12, 2026.
ASUS typically releases firmware updates for this product approximately every 41 days.
Official ASUS Pro WS B850M-ACE SE product page
ASUS Pro WS B850M-ACE SE is a micro-ATX workstation board on the AMD B850 chipset for AM5 Ryzen 9000, 8000 and 7000 processors and EPYC 4005, with four DDR5 slots up to 256GB supporting ECC and non-ECC modules. Networking combines Realtek 10Gb and Intel 2.5Gb Ethernet with a dedicated 1Gb port for BMC and IPMI, and an AST2600 supplies the VGA output. It was originally released on January 1, 2025.
The latest firmware version of ASUS Pro WS B850M-ACE SE is 2503. It was released on September 22, 2026.
ASUS Pro WS B850M-ACE SE firmware version 2503 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. Before running the USB BIOS Flashback tool, please rename the BIOS file (A5720.CAP) using BIOSRenamer.
Details and download instructions for the latest ASUS Pro WS B850M-ACE SE firmware (version 2503) are on ASUS's official release page: https://www.asus.com/motherboards-components/motherboards/workstation/pro-ws-b850m-ace-se/helpdesk_bios/
We have tracked 11 firmware versions of ASUS Pro WS B850M-ACE SE. Based on historical patterns, updates are released approximately every 41 days.
Based on this product's update history, a firmware update for ASUS Pro WS B850M-ACE SE is expected soon, between October 11, 2026 and November 12, 2026.
Yes, ASUS Pro WS B850M-ACE SE received a firmware update within the last 3 months. The most recent version is 2503.