PRIME B850-PLUS WIFI
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    BIOS & FIRMWARE

    • Driver & Tools
    • BIOS & FIRMWARE

    BIOS
    Version 1402
    17.21 MB
    2025/12/01
    SHA-256 ：BB6DE0CB7A687F0B0264265691174ADF507B957010FBD45F5F453D1A3A2F0125

    "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 versions.

    Before running the USB BIOS Flashback tool, please rename the BIOS file (A5660.CAP) using BIOSRenamer."

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    Version 1087
    14.74 MB
    2025/09/30
    SHA-256 ：84FFB060C4F9333B6CC9AC9A735153B69CDE32BAE027AF35157183EE938046B4

    "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."

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    Version 1081
    14.91 MB
    2025/09/19
    SHA-256 ：9684595669E465D505A263744B3E8C15DD2D43F59D6BCDBEB146FA31DEA2892E

    "Improve system stability.
    Before running the USB BIOS Flashback tool, please rename the BIOS file ( A5660.CAP) using BIOSRenamer."

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    Version 1078
    14.91 MB
    2025/08/01
    SHA-256 ：748130C5BC72160AF2C219BC5CF4C14E270FAC0C47D870C759689B0EEFA3A9CE

    "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 Flashback tool, please rename the BIOS file (A5660.CAP) using BIOSRenamer."

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    Version 1065
    14.88 MB
    2025/06/18
    SHA-256 ：B468EB744B8AD11B21E27C0D7C521C1F81B8ACD70DFBD3092BF6501D146F558E

    "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 irreversible. Rolling back to older BIOS versions is not supported.
    Before running the USB BIOS Flashback tool, please rename the BIOS file (A5660.CAP) using BIOSRenamer."

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    Version 1028
    15.57 MB
    2025/04/30
    SHA-256 ：39AD2371D31139F9E64DDEF8597C0494727309B62935EB18DE67F4B1DC9CDF88

    "This update enhances compatibility with high-capacity memory modules and improves overall system performance.
    Before running the USB BIOS Flashback tool, please rename the BIOS file (A5660.CAP) using BIOSRenamer."

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    Version 1022
    15.53 MB
    2025/03/07
    SHA-256 ：C6D90474E42CC217C9C128D38BAD998BE9E0109B1EDAC1367107315C587E50A3

    "1. Enhanced system performance with support for 9950X3D and 9900X3D processors.
    2. Included AI Cache Boost to enhance performance and compute power when using AI-based tools.
    Before running the USB BIOS Flashback tool, please rename the BIOS file ( A5660.CAP) using BIOSRenamer."

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    Version 1006
    15.53 MB
    2025/02/27
    SHA-256 ：C2B71A34F46140CABA14D47A75BC0ADF592FD93DA958581F091DA5FCD2A66485

    "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.Improved system performance and resolved the PeCoffLoader memory overflow issue for enhanced security.
    3.Added support for up to 5200MT/s when four 64GB memory modules (total 256GB) are installed. The exclusive AEMP option will appear when compatible models are populated.
    4.This BIOS enhances system performance and improves high-capacity memory compatibility. This includes support for 2*DIMM memory configurations, achieving speeds up to 6800MT/s with AEMP enabled.
    Before running the USB BIOS Flashback tool, please rename the BIOS file ( A5660.CAP) using BIOSRenamer."

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    Version 0403
    15.53 MB
    2025/01/21
    SHA-256 ：A1DBEE33E7D375CC5DCB4290E9BC3CB56444EAE74BB6B08375AD78E582730CC3

    "First Release

    Before running the USB BIOS Flashback tool, please rename the BIOS file ( A5660.CAP) using BIOSRenamer."

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    Product has High-Definition Multimedia Interface.
    • Products certified by the Federal Communications Commission and Industry Canada will be distributed in the United States and Canada. Please visit the ASUS USA and ASUS Canada websites for information about locally available products.
    • All specifications are subject to change without notice. Please check with your supplier for exact offers. Products may not be available in all markets.
    • Specifications and features vary by model, and all images are illustrative. Please refer to specification pages for full details.
    • PCB color and bundled software versions are subject to change without notice.
    • Brand and product names mentioned are trademarks of their respective companies.
    • The terms HDMI and HDMI High-Definition Multimedia Interface, HDMI trade dress and the HDMI Logos are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. in the United States and other countries.
      • Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.
      • *Precise specifications and features vary by model. Please refer to the specification page
      • The product (electrical, electronic equipment, Mercury-containing button cell battery) should not be placed in municipal waste. Check local regulations for disposal of electronic products.
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      • Learn more about battery usage, removal, replacement, and related safety guidelines

           **Product specifications and battery design may vary depending on the model. For any questions, please contact ASUS official customer service.