Pro WS B850M-ACE SE
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    BIOS & FIRMWARE

    • Driver & Tools
    • BIOS & FIRMWARE

    BIOS
    Version 2301
    Beta Version
    15.31 MB
    2026/04/27
    SHA-256 :290278BCA6BFAA4A4BD84835CA812B54006582B49FB892AACBB389D4D564697A

    "1.New memory profile support.

    Before running the USB BIOS Flashback tool, please rename the BIOS file (A5720.CAP) using BIOSRenamer."
    Starting from AGESA ComboAM5 PI 1.3.0.0, ECC-UDIMM memory speed will be limited to 5200 MT/s when paired with 9000 series CPUs.

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    Version 2202
    15.31 MB
    2026/04/15
    SHA-256 :B2AEF6F17EF46E04052A4E2409E386D233C983239C35D2A46EA564CBED145B1B

    "1.Update AGESA ComboAM5 PI 1.3.0.1.
    2.Improve compatibility and performance for Ryzen 9 9950X3D2 Dual Edition processors.
    3.Add new Crosshair Tweak items for advanced performance tuning (available on select models).
    Note: This BIOS version cannot be rolled back to previous versions.

    Before running the USB BIOS Flashback tool, please rename the BIOS file (A5720.CAP) using BIOSRenamer."
    Starting from AGESA ComboAM5 PI 1.3.0.0, ECC-UDIMM memory speed will be limited to 5200 MT/s when paired with 9000 series CPUs.

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    Version 2103
    15.29 MB
    2026/03/16
    SHA-256 :73A80FBF0A361D25D6E479FF9F56AA01DD3CB31AAAE56FE13466F4F976C5A7BC

    "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 stability issues observed on certain Ryzen 9000 configurations.
    4.Resolves an issue where systems might unexpectedly prompt for a BitLocker recovery key during startup.

    Before running the USB BIOS Flashback tool, please rename the BIOS file (A5720.CAP) using BIOSRenamer."
    Starting from AGESA ComboAM5 PI 1.3.0.0, ECC-UDIMM memory speed will be limited to 5200 MT/s when paired with 9000 series CPUs.

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    Version 2102
    Beta Version
    15.29 MB
    2026/02/25
    SHA-256 :9651A23B3A45EB71990DC345A68DB7F1EDE0402379AC29AB01953A61F8D7630F

    "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 stability issues observed on certain Ryzen 9000 configurations.
    4.Resolves an issue where systems might unexpectedly prompt for a BitLocker recovery key during startup.

    Before running the USB BIOS Flashback tool, please rename the BIOS file (A5720.CAP) using BIOSRenamer."
    Starting from AGESA ComboAM5 PI 1.3.0.0, ECC-UDIMM memory speed will be limited to 5200 MT/s when paired with 9000 series CPUs.

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    Version 2004
    15.28 MB
    2026/01/30
    SHA-256 :F8C2119C5A39C6066B105B5F5C1BF1A2AA911D6702A03EF415B3979809536B3B

    "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-compliant modules.

    Before running the USB BIOS Flashback tool, please rename the BIOS file (A5720.CAP) using BIOSRenamer."
    Starting from AGESA ComboAM5 PI 1.3.0.0, ECC-UDIMM memory speed will be limited to 5200 MT/s when paired with 9000 series CPUs.

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    Version 1804
    15.29 MB
    2025/11/16
    SHA-256 :A4FA9506805524112F2B3D5132464853AAB4366766E805743EE717B7158AF1E1

    "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 (A5720.CAP) using BIOSRenamer."
    Starting from AGESA ComboAM5 PI 1.3.0.0, ECC-UDIMM memory speed will be limited to 5200 MT/s when paired with 9000 series CPUs.

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    Version 0505
    12.81 MB
    2025/10/03
    SHA-256 :A01A36F417E2CA63BFEE30D1098E39D53269BB38D884D0F934E038744B759B74

    "1. Updated AGESA to ComboAM5 PI 1.2.0.3g.
    Before running the USB BIOS Flashback tool, please rename the BIOS file (A5720.CAP) using BIOSRenamer."

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    Firmware
    Pro WS B850M-ACE SE BMC Firmware v2.1.6
    Version 2.1.6
    45.71 MB
    2026/03/03
    SHA-256 :EE63E4E591E302DA14A0D2B7DFE137B9EE3845E2447CFA6E031689FDB726E78B

    Support Redfish version: 1.15.1

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    Product has High-Definition Multimedia Interface.
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    • All specifications are subject to change without notice. Please check with your supplier for exact offers. Products may not be available in all markets.
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      • 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
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           **Product specifications and battery design may vary depending on the model. For any questions, please contact ASUS official customer service.