ASUS PRIME Z390-A

Made by ASUS · firmware

ASUS PRIME Z390-A pairs the Intel Z390 chipset with LGA1151 support for 9th and 8th Gen Core, Pentium Gold and Celeron processors. The ATX board lists eight rear USB ports in total and two PCIe 3.0/2.0 x16 slots running x16 or dual x8.

Product released: October 1, 2018

Latest firmware version

Version 2203, released July 20, 2026

Last checked for updates: Nov 1, 2026 06:20 UTC

What's new in version 2203

1. Enhanced overall system security.

Download firmware 2203

firmware version history

LatestUpdate has tracked 23 versions of ASUS PRIME Z390-A firmware, released between September 17, 2018 and July 20, 2026.

• Version 2203 - July 20, 2026: 1. Enhanced overall system security.
• Version 2101 - March 5, 2024: 1. Improve system stability 2. This update includes the patch for the LogoFAIL vulnerabilities
• Version 2004 - December 6, 2021: 1.Update Intel ME firmware. 2.Improve system stability
• Version 1903 - August 11, 2021: Support Windows 11 by default, no settings changes required in the UEFI BIOS.
• Version 1902 - August 9, 2021: - Support Resizable BAR support. - Improve system performance.
• Version 1802 - December 29, 2020: Improved system stability
• Version 1704 - November 6, 2020: -Improve system performance -Updated RC 7.0.70.20 -Improve system stability while using Thunderbolt device.
• Version 1602 - August 18, 2020: - Improve system stability - Update Microcode and ME firmware for Intel security issue
• Version 1502 - May 4, 2020: Improved system stability.
• 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 20, 2019: 1. Improve system stability
• Version 1201 - August 30, 2019: Improved system compatibility.
• Version 1105 - July 1, 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 - April 28, 2019: Enhanced security. Improved SSD device compatibility. Updated RAID driver. Improved DRAM compatibility.
• Version 0905 - April 11, 2019: Enhanced security
• Version 0903 - March 22, 2019: Updated uCode for the latest Intel processor.
• Version 0805 - February 1, 2019: 01. Improved DRAM stability 02. Supported JEDEC standard DDR4 32GB memory 03. Updated RST driver 04. Update ME FW 05. Improve system performance 06. Improved D…
• Version 0802 - February 1, 2019: Added AI Overclocking support for i9-9900KF and i7-9700KF CPUs.
• Version 0702 - January 11, 2019: Improved system stability and performance. Updated RST Driver.
• Version 0602 - October 31, 2018: - Improved system stability and performance. - Updated Microcode for 8-core CPU. - Improved DRAM stability. - Fixed USB device issue.
• Version 0506 - October 8, 2018: Improve system stability
• Version 0402 - September 19, 2018: release BIOS
• Version 0224 - September 17, 2018: first release BIOS

Update prediction

A firmware update is expected soon, between August 6, 2026 and January 3, 2027.

ASUS typically releases firmware updates for this product approximately every 578 days.

Official ASUS PRIME Z390-A product page