The ASUS PRIME B850-PLUS WIFI is an ASUS PRIME series mainstream motherboard supporting AMD Ryzen 7000+ processors (AMD 800-series chipset) on the AM5 socket with DDR5 memory. It targets home office users and mainstream builders and provides a comprehensive feature set for its platform tier. BIOS updates deliver stability improvements, security patches, new processor compatibility, and platform optimizations.
Product released: January 1, 2025
Latest firmware version
Version 1686, released July 2, 2026
Last checked for updates: Aug 2, 2026 17:11 UTC
What's new in version 1686
Updated AGESA ComboAM5 PI 1.3.0.1b Patch A to support the GNR Transparent Secure Memory Encryption (TSME) feature.
Before running the USB BIOS Flashback tool, please rename the BIOS file ( A5660.CAP) using BIOSRenamer.
LatestUpdate has tracked 16 versions of ASUS PRIME B850-PLUS WIFI firmware, released between January 21, 2025 and July 2, 2026.
Version 1686 - July 2, 2026: Updated AGESA ComboAM5 PI 1.3.0.1b Patch A to support the GNR Transparent Secure Memory Encryption (TSME) feature. Before running the USB BIOS Flashback tool,…
Version 1681 - June 22, 2026: 1.Update AGESA ComboAM5 PI 1.3.0.1b. 2.Add support for EXPO ULL memory profiles. 3.Optimize ECC-UDIMM memory performance. Before running the USB BIOS Flashback…
Version 1670 - April 29, 2026: New memory profile support. Before running the USB BIOS Flashback tool, please rename the BIOS file ( A5660.CAP) using BIOSRenamer.
Version 1654 - April 27, 2026: "• Update AGESA ComboAM5 PI 1.3.0.1. Note: This BIOS version cannot be rolled back to previous versions. Before running the USB BIOS Flashback tool, please ren…
Version 1644 - March 19, 2026: "1. AGESA updated to ComboAM5 PI_1.3.0.0a. 2. Provide additional stability margin during high-frequency DDR5 training. 3. Addresses potential boot failures and…
Version 1642 - February 26, 2026: 1. AGESA updated to ComboAM5 PI_1.3.0.0a. 2. Provide additional stability margin during high-frequency DDR5 training. 3. Addresses potential boot failures and…
Version 1627 - February 11, 2026: "1. AGESA updated to ComboAM5 PI_Pre1.3.0.0 for better security. 2. Enhanced system performance and stability. 3. Improved memory compatibility for JEDEC-compl…
Version 1402 - December 1, 2025: "1.AGESA updated to ComboAM5 PI 1.2.7.0. 2.Improves compatibility with various CPUs and devices. Note: This BIOS version cannot be rolled back to previous vers…
Version 1087 - September 30, 2025: Updated AGESA to ComboAM5 PI 1.2.0.3g. Before running the USB BIOS Flashback tool, please rename the BIOS file ( A5660.CAP) using BIOSRenamer.
Version 1081 - September 19, 2025: Improve system stability. Before running the USB BIOS Flashback tool, please rename the BIOS file ( A5660.CAP) using BIOSRenamer.
Version 1078 - August 1, 2025: 1.Updated AGESA to ComboAM5 PI 1.2.0.3f. 2.Enhanced system performance, stability, device compatibility, and overclocking support. Before running the USB BIOS…
Version 1065 - June 18, 2025: 1. Updated AGESA to ComboAM5 PI 1.2.0.3e for upcoming CPU compatibility. 2. Enhanced system performance and stability. 3. Important: This update is irreversibl…
Version 1028 - April 30, 2025: This update enhances compatibility with high-capacity memory modules and improves overall system performance. Before running the USB BIOS Flashback tool, pleas…
Version 1022 - March 7, 2025: 1. Enhanced system performance with support for 9950X3D and 9900X3D processors. 2. Included AI Cache Boost to enhance performance and compute power when using…
Version 1006 - February 27, 2025: 1.Updated AGESA to PI 1.2.0.3a Patch A. Please update the chipset driver to version 7.01.08.129 or newer to enhance gaming performance in select games. 2.Impro…
Version 0403 - January 21, 2025: First Release Before running the USB BIOS Flashback tool, please rename the BIOS file ( A5660.CAP) using BIOSRenamer.
Update prediction
A firmware update is expected soon, between July 17, 2026 and August 16, 2026.
ASUS typically releases firmware updates for this product approximately every 25 days.
The ASUS PRIME B850-PLUS WIFI is an ASUS PRIME series mainstream motherboard supporting AMD Ryzen 7000+ processors (AMD 800-series chipset) on the AM5 socket with DDR5 memory. It targets home office users and mainstream builders and provides a comprehensive feature set for its platform tier. BIOS updates deliver stability improvements, security patches, new processor compatibility, and platform optimizations. It was originally released on January 1, 2025.
What is the latest firmware version of ASUS PRIME B850-PLUS WIFI?
The latest firmware version of ASUS PRIME B850-PLUS WIFI is 1686. It was released on July 2, 2026.
What changed in ASUS PRIME B850-PLUS WIFI firmware version 1686?
ASUS PRIME B850-PLUS WIFI firmware version 1686 includes the following changes: Updated AGESA ComboAM5 PI 1.3.0.1b Patch A to support the GNR Transparent Secure Memory Encryption (TSME) feature.
Before running the USB BIOS Flashback tool, please rename the BIOS file ( A5660.CAP) using BIOSRenamer.
How do I update the ASUS PRIME B850-PLUS WIFI firmware?
To update the ASUS PRIME B850-PLUS WIFI firmware, download the latest version (1686) from ASUS's website. Follow ASUS's installation instructions, which typically involve copying the firmware file to a memory card or connecting via USB. You can download the latest firmware from ASUS's support page.
Where can I download the latest ASUS PRIME B850-PLUS WIFI firmware?
Details and download instructions for the latest ASUS PRIME B850-PLUS WIFI firmware (version 1686) are on ASUS's official release page: https://www.asus.com/motherboards-components/motherboards/prime/prime-b850-plus-wifi/helpdesk_bios/
How do I check for ASUS PRIME B850-PLUS WIFI firmware updates?
You can track ASUS PRIME B850-PLUS WIFI firmware updates automatically on LatestUpdate.io. We monitor ASUS's releases and notify you when new firmware versions are available, so you never miss an update.
How often does ASUS release firmware updates for ASUS PRIME B850-PLUS WIFI?
We have tracked 16 firmware versions of ASUS PRIME B850-PLUS WIFI. Based on historical patterns, updates are released approximately every 25 days. ASUS releases updates to fix bugs, improve performance, and add new features. Track this product on LatestUpdate.io to be notified of future releases.
When is the next ASUS PRIME B850-PLUS WIFI firmware update expected?
Based on this product's update history, a firmware update for ASUS PRIME B850-PLUS WIFI is expected soon, between July 17, 2026 and August 16, 2026. Track this product on LatestUpdate.io to be notified when it's released.
Is ASUS PRIME B850-PLUS WIFI still receiving firmware updates?
Yes, ASUS PRIME B850-PLUS WIFI received a firmware update within the last 3 months. The most recent version is 1686.
Who makes ASUS PRIME B850-PLUS WIFI?
ASUS PRIME B850-PLUS WIFI is manufactured by ASUS. Visit the official product page for more information.