ASUS PRIME Z370-A II is an ATX board for Socket 1151 Intel Core 9000 series and 8th Generation Core processors on the Z370 chipset. It provides two PCIe 3.0 x16 slots with x8/x8 splitting plus a third at up to x4.
Product released: October 1, 2017
Latest firmware version
Version 3004, released August 9, 2021
Last checked for updates: Oct 31, 2026 06:14 UTC
What's new in version 3004
Support Windows 11 by default, no settings changes required in the UEFI BIOS.
Version 3001 - April 15, 2021: Add Resizable BAR support for Nvidia RTX 30 series cards to potentially deliver more performance to gamers in select titles.
Version 0801 - May 15, 2019: Updated IRST for the latest Intel processors to support Intel Optane memory. *Please make sure to update RST driver to 17.2.6.1027 version or later for better…
ASUS PRIME Z370-A II is an ATX board for Socket 1151 Intel Core 9000 series and 8th Generation Core processors on the Z370 chipset. It provides two PCIe 3.0 x16 slots with x8/x8 splitting plus a third at up to x4. It was originally released on October 1, 2017.
What is the latest firmware version of ASUS PRIME Z370-A II?
The latest firmware version of ASUS PRIME Z370-A II is 3004. It was released on August 9, 2021.
What changed in ASUS PRIME Z370-A II firmware version 3004?
ASUS PRIME Z370-A II firmware version 3004 includes the following changes: Support Windows 11 by default, no settings changes required in the UEFI BIOS.
Where can I download the latest ASUS PRIME Z370-A II firmware?
Details and download instructions for the latest ASUS PRIME Z370-A II firmware (version 3004) are on ASUS's official release page: https://www.asus.com/motherboards-components/motherboards/prime/prime-z370-a-ii/helpdesk_bios/
How often does ASUS release firmware updates for ASUS PRIME Z370-A II?
We have tracked 13 firmware versions of ASUS PRIME Z370-A II. Based on historical patterns, updates are released approximately every 118 days.
Has ASUS PRIME Z370-A II been discontinued?
ASUS PRIME Z370-A II has not received a firmware update in a long time and may be discontinued. However, some products resume updates after extended periods.