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PRIME B860M-A WIFI-CSM｜Motherboards

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    PRIME B860M-A WIFI-CSM
    Where to buy
    PRIME B860M-A WIFI-CSM motherboard front view, floating in space.

    B860M-A WIFI-CSM

    ASUS PRIME series motherboards are expertly engineered to unleash the full potential of the latest Intel® Core™ Ultra Processors (Series 2). Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, the PRIME B860M-A WIFI-CSM motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It’s designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.
    Advanced AI PC ready logo
    Intel Core Ultra Processor badge
    Intel B860 Chipset badge
    Logo depicting power stages

    7(80A) + 1(80A) + 1(80A) + 1(80A)

    power stages with enlarged VRM heatsinks
    AI Solutions logo

    AI Solutions

    for advanced AI capabilities
    DDR5 logo

    AEMP III

    for enhanced DDR5 performance
    WiFi 6E logo

    WiFi 6E

    for stable WiFi connection and lower latency
    USB 20Gbps logo

    USB 20Gbps Type-C®

    for ultrafast data transmission
    PCIe 5.0 logo

    PCIe 5.0 s​​​​lots

    for graphics card and storage
    EZ PC DIY logo

    EZ PC DIY

    for easier build customization
    Pre-mounted I/O shield logo

    Pre-mounted
    I/O shield

    for safeguarding ports and enhancing aesthetics
    Aura Sync logo

    Aura Sync

    for full RGB lighting control

    ASUS Corporate Stable Model

    ASUS Corporate Stable Model (CSM) is a commercial program designed to provide stable and reliable motherboards. Offering up to 36-month product lifecycle support and 6-month end-of-life notice to allow sufficient lead times for your organization to get ready for product transitions. Each purchase of an ASUS CSM motherboard comes with ASUS Control Center Express - server-grade IT management software.
    Learn more about ASUS CSM program
    * Lifecycle support, program offering and supply status may vary by region. Please consult your local sales representative for more information.
    ASUS Corporate Stable logo with text stating 'Up to 36-month Stable Supply' in a circular design on a blue background.

    ASUS Control Center Express

    ASUS Control Center Express is an integrated IT monitoring and management software designed to deploy faster, simplify IT operations and improve productivity with comprehensive control and user-friendly functions. ASUS Control Center Express is compatible with over 100 ASUS motherboards to provide a high-quality, TCO-optimized solution for your business needs.
    Learn more about ASUS Control Center Express

    Optimize IT endpoint management

    Designed to assist IT staff in monitoring and controlling devices within their corporate networks, and facilitate inventory checking in multiple locationss remotely.

    White network icon with connected nodes on a blue background, below the text 'Optimize IT endpoint management,' describing the benefits for IT staff monitoring and controlling devices remotely.

    Automate IT maintenance

    Allows IT staff to schedule automatic updates of the latest Bioses, software and utilities to specific or all devices at off-peak times, enhancing system stability and IT operational flexibility.

    White shield icon with a checkmark inside on a blue circular background

    Securely manage all of endpoints

    Securely manage endpoint configuration, portable storage access and PC software applications by enabling them to create grouping rules on individual devices.

    White calendar icon with a green highlighted date on a blue circular background

    Performance

    AI Solutions

    ASUS AI Solutions include AI Advisor as your technical expert with expertise in PC performance.

    AI Advisor

    ASUS AI Advisor allows users to explore the functionality and advanced features of ASUS motherboards in a simple and straightforward way.1

    UI showing that AI Advisor can be interacted using natural language.

    Performance

    Robust power design

    Stable power is crucial for maximizing the performance of Intel® Core™ Ultra Processors (Series 2). The PRIME B860M-A WIFI-CSM is designed to meet the needs of high-core-count CPUs. It features 7(80A) + 1(80A) + 1(80A) + 1(80A) power stages that integrate high-side and low-side MOSFETs and drivers into packages rated for up to 80 amperes each. This configuration ensures optimal power delivery, efficiency, stability and performance for both current and future Intel® processors.
    7
    VCCCORE power
    (80A, DrMOS) ​
    1
    VCCGT powe​​​​r
    (80A, DrMOS)
    1
    VCCSA powe​​​​r
    (80A, DrMOS)
    1
    VNNAON power
    (80A, DrMOS)
    Angled top-down view of PRIME B860M-A WIFI-CSM motherboard.

    Enhanced Memory & Storage Performance

    AEMP III for Ultimate DDR5 Performance

    ASUS Enhanced Memory Profile III (AEMP III) is an advanced firmware feature that empowers users to achieve unparalleled memory performance with cutting-edge CUDIMM memory. Through a two-phase comprehensive tuning process, AEMP III first optimizes the clock driver and then the memory frequency. This results in the best balance between performance and stability, even at cutting-edge speeds of DDR5-7600 or higher.2
    Graphic depicting RAM locations.

    DIMM Fit

    DIMM Fit is an ASUS-exclusive Bioses feature that precisely analyzes individual memory modules to optimize performance and pinpoint potential issues. This offers peak efficiency, compatibility, and system stability. Whether you are an overclocker seeking ultimate performance, a competitor pursuing the most responsive gameplay, or a content creator prioritizing rock-solid stability, DIMM Fit provides optimizations tailored to your needs and your hardware configuration.
    Graphic marking the locations of DIMMs and showing the UI of the feature DIMM Fit.

    Two M.2 slots (up to 128Gbps)

    The PRIME B860M-A WIFI-CSM offers a total of two M.2 slots, including one that supports data-transfer speeds of up to 128Gbps via PCIe 5.0, one that supports 64Gbps via PCIe 4.0. This enables quicker boot-up and app load times with OS or application drives.3
    Graphic depicting different M.2 ​​​​slots on a motherboard.

    Cooling

    Cooler by design

    The PRIME B860M-A WIFI-CSM motherboard is engineered with multiple onboard heatsinks and an array of hybrid fan headers to help ensure your rig stays cool and stable under intense workloads.
    PRIME B860M-A WIFI-CSM front view.

    VRM heatsinks and thermal pads

    The massive VRM heatsinks and essential thermal pads improve heat transfer from the MOSFETs and chokes for better cooling performance.

    AIO pump header

    A dedicated PWM/DC header supports self-contained water-cooling setups.

    Multiple temperature sources

    Each header can dynamically reference three thermal sensors. Fan Xpert 2+ lets you to map the temperature of supported ASUS graphics cards to optimize cooling for GPU- and CPU-intensive tasks.

    ​​​​​4-Pin PWM/DC fan

    Each onboard header supports auto-detection of PWM or DC fans.

    M.2 heatsink

    One M.2 heatsink takes care of the M.2 slot, preventing throttling that can occur with M.2 storage during extended transfers.

    Passive chipset heatsink

    An aluminum passive chipset heatsink ensures optimal cooling and stable performance. It is more durable and longer-lasting than heatsinks with fans, which can be vulnerable to the buildup of dust and debris.

    Smart protection

    A dedicated integrated circuit protects each fan header from overheating and excess current.

    Cooling

    Smart cooling precision

    ASUS Fan Xpert 2+

    ASUS Fan Xpert 2+ software provides comprehensive control over fans. An Auto-Tuning mode intelligently configures all parameters with a single click. There’s also an Extreme Quiet mode that reduces chassis fan speeds to below the default minimum to keep your system whisper-quiet when performing light tasks. Fans can also be controlled via the UEFI Bioses.5
    UI for Fan Xpert 2+

    Cooler compatibility

    ASUS AIO coolers offer robust performance, high overclocking potential, bold aesthetics and customizable functionality for new motherboards, empowering you to build your dream gaming rig.5
    See compatible AIO coolers
    A Prime motherboard and AIO cooler on a table.

    Flexibility

    Empowering connections

    The PRIME B860M-A WIFI-CSM motherboard offers a versatile range of connectivity, including support for WiFi 6E, the latest version of PCI Express and an arsenal of USB ports which includes Type-C connections.
    WiFi 6E logo

    WiFi 6E

    Realtek 2.5Gb Ethernet logo

    2.5Gb Ethernet

    PCIe 5.0 logo

    PCIe 5.0

    USB 20Gbps logo

    USB 20Gbps

    PCIe 5.0 s​​​​lot logo

    PCIe 5.0 s​​​​lot

    USB 10Gbps logo

    USB 10Gbps

    WiFi 6E

    Built-in WiFi 6E4 technology takes advantage of the newly available radio spectrum in the 6 GHz band. With triple the bandwidth of the 2.4/5/6 GHz band, WiFi 6E delivers ultrafast wireless networking speeds with improved capacity and better performance in dense wireless environments.
    Learn More
    ASUS WiFi Q-Antenna

    USB 20Gbps port

    A batch of USB ports supports high-end rigs loaded with peripherals, including a rear USB Type-C® port with transmission speeds of up to 20Gbps.
    I/O ports highlighting USB 20Gbps port

    PCIe 5.0 s​​​​lot

    The latest processors introduce PCIe 5.0 support, doubling data transfer speeds compared to PCIe 4.0, enhancing signal integrity, and providing backward-compatible CEM connectors and support for previous PCIe versions.

    Customization

    Personalization

    The PRIME B860M-A WIFI-CSM enhances the user experience across the board, from simplifying Bioses setting adjustments to offering customizable RGB lighting controls for a uniquely personal system aesthetic.

    UEFI Bioses

    The UEFI interface delivers easy-to-use configuration options for PC beginners, and advanced features for veterans.

    ASUS GlideX

    Enable seamless screen sharing and control across PCs, tablets, and smartphoness via wired or wireless connections, supporting multiple platforms.

    ASUS DriverHub

    Simplify driver management with automatic detection, one-click installation and update for smooth, efficient system performance.

    Armoury Crate

    Customize Aura Sync RGB and control ASUS devices. Includes product registration and updates.

    Aura Sync

    Complete RGB lighting control for enthusiast systems, ensuring seamless synchronization with compatible hardware.

    Addressable Gen2 RGB headers

    Three Addressable Gen2 headers detect LED counts on compatible RGB devices, automatically adjusting lighting effects accordingly.

    Image depicting PRIME B860M-A WIFI-CSM ARGB connectors.

    Customization

    DIY friendly

    The PRIME B860M-A WIFI-CSM motherboard features EZ PC DIY innovations that simplify and speed up the PC building process, making DIY easy and convenient.

    Pre-mounted
    I/O shield

    Our pre-installed I/O shield safeguards ports, simplifies the build process, increases functionality and enhances aesthetics for PC DIY enthusiasts.

    Graphic depicting the PRIME B860M-A WIFI-CSM pre-mounted I/O shield.

    SafeSlot

    PCIe 5.0 is twice as fast as PCIe 4.0. ASUS has adapted our SMT manufacturing for the faster SafeSlot, a reinforced metal sheath that ensures secure card installation and faster data speeds.

    Graphic depicting the PRIME B860M-A WIFI-CSM SafeSlot feature.
    1. Availability of ASUS AI Advisor may vary by region.
      AI Advisor functions may vary by platform. ↑
    2. Results may vary according to individual system specifications. Currently, only 2-DIMM configurations are supported. Results are based on a test with an Intel Core Ultra 9 285K processor and 2x16GB SK Hynix DDR5-6400 Clocked Unbuffered DIMM RAM, model HMCG78AHBCA326N.↑
    3. Actual transmission speeds will be lower than the theoretical maximum speed.↑
    4. WiFi 6E availability and features are dependent on regulatory limitations and co-existence with 5 GHz WiFi.↑
    5. Image(s) for reference only.↑
    6. Video(s) for reference only.↑
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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 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. ASUS reserves the right to alter product offerings & specifications at any time without notice. Models' product pictures are for illustrative purpose only. Information as given has no contractual effect. *T&C apply.
    • Rated speed of RAM module. Actual memory speeds may vary by CPU configuration
    • 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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