ASUS ROG MAXIMUS XI APEX is an ATX board on the Intel Z390 chipset with just two DDR4 slots, up to 64GB, for 8th and 9th Gen Core processors. Overclocking is the focus: dual 8-pin CPU power, IR3555 power stages, a ROG DIMM.2 module for two M.2 drives and a Q-Code display. Connectivity includes Intel Wireless-AC 9560, Bluetooth 5.0 and Gigabit LAN.
Product released: October 1, 2018
Latest firmware version
Version 2203, released July 20, 2026
Last checked for updates: Oct 31, 2026 10:58 UTC
What's new in version 2203
1. Enhanced overall system security.
Before running the USB BIOS Flashback tool, please rename the BIOS file (M11A.CAP) using BIOSRenamer.
LatestUpdate has tracked 18 versions of ASUS ROG MAXIMUS XI APEX firmware, released between November 30, 2018 and July 20, 2026.
Version 2203 - July 20, 2026: 1. Enhanced overall system security. Before running the USB BIOS Flashback tool, please rename the BIOS file (M11A.CAP) using BIOSRenamer.
Version 2004 - November 29, 2021: 1. Update Intel ME firmware. 2. Improve system stability Before running the USB BIOS Flashback tool, please rename the BIOS file (M11A.CAP) using BIOSRenamer.
Version 1903 - August 9, 2021: Support Windows 11 by default, no settings changes required in the UEFI BIOS. Before running the USB BIOS Flashback tool, please rename the BIOS file(M11A.CAP)…
Version 1902 - August 9, 2021: 1.Support Resizable BAR support. 2.Improve system performance. Before running the USB BIOS Flashback tool, please rename the BIOS file(M11A.CAP)using BIOSRenam…
Version 1802 - December 15, 2020: Improve system stability Before running the USB BIOS Flashback tool, please rename the BIOS file(M11A.CAP)using BIOSRenamer.
Version 1704 - November 10, 2020: 1. Improve system performance 2. Updated RC 7.0.70.20 3. Improve system stability while using Thunderbolt device. Before running the USB BIOS Flashback tool, p…
Version 1602 - August 24, 2020: - Improve system stability - Update Microcode and ME firmware for Intel security issue Before running the USB BIOS Flashback tool, please rename the BIOS file…
Version 1502 - May 4, 2020: Improved system stability. Before running the USB BIOS Flashback tool, please rename the BIOS file (M11A.CAP) using BIOSRenamer.
Version 1401 - December 11, 2019: Improve Memory overclocking rules Improved compatibility with the Intel H10 Optane Module Fixed an issue that prevented the adjustment of the Tjmax parameter w…
Version 1302 - September 11, 2019: 1. Improve system stability Before running the USB BIOS Flashback tool, please rename the BIOS file (M11A.CAP) using BIOSRenamer.
Version 1105 - June 24, 2019: Improved DRAM compatibility. Improved system performance. Updated ME version to Ver.12.0.39 Updated microcode for Security. Improved storage device compatibili…
Version 1005 - May 14, 2019: Enhanced security. Improved SSD device compatibility. Updated RAID driver. Improved DRAM compatibility. Before running the USB BIOS Flashback tool, please rena…
Version 0903 - March 22, 2019: Updated uCode for the latest Intel processor. " Before running the USB BIOS Flashback tool, please rename the BIOS file (M11A.CAP) using BIOSRenamer.''
Version 0805 - February 22, 2019: 01. Improved DRAM stability 02. Supported JEDEC standard DDR4 32GB memory 03. Updated RST driver 04. Update ME FW 05. Improve system performance " Before runni…
ASUS ROG MAXIMUS XI APEX is an ATX board on the Intel Z390 chipset with just two DDR4 slots, up to 64GB, for 8th and 9th Gen Core processors. Overclocking is the focus: dual 8-pin CPU power, IR3555 power stages, a ROG DIMM.2 module for two M.2 drives and a Q-Code display. Connectivity includes Intel Wireless-AC 9560, Bluetooth 5.0 and Gigabit LAN. It was originally released on October 1, 2018.
What is the latest firmware version of ASUS ROG MAXIMUS XI APEX?
The latest firmware version of ASUS ROG MAXIMUS XI APEX is 2203. It was released on July 20, 2026.
What changed in ASUS ROG MAXIMUS XI APEX firmware version 2203?
ASUS ROG MAXIMUS XI APEX firmware version 2203 includes the following changes: 1. Enhanced overall system security.
Before running the USB BIOS Flashback tool, please rename the BIOS file (M11A.CAP) using BIOSRenamer.
Where can I download the latest ASUS ROG MAXIMUS XI APEX firmware?
Details and download instructions for the latest ASUS ROG MAXIMUS XI APEX firmware (version 2203) are on ASUS's official release page: https://rog.asus.com/motherboards/rog-maximus/rog-maximus-xi-apex-model/helpdesk_bios/
How often does ASUS release firmware updates for ASUS ROG MAXIMUS XI APEX?
We have tracked 18 firmware versions of ASUS ROG MAXIMUS XI APEX. Based on historical patterns, updates are released approximately every 754 days.
When is the next ASUS ROG MAXIMUS XI APEX firmware update expected?
Based on this product's update history, a firmware update for ASUS ROG MAXIMUS XI APEX is expected soon, between August 7, 2026 and February 9, 2027.
Is ASUS ROG MAXIMUS XI APEX still receiving firmware updates?
Yes, ASUS ROG MAXIMUS XI APEX received a firmware update within the last year. The most recent version is 2203.