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    PRIME B850M-A WIFI-CSM
    PRIME B850M-A WIFI-CSM motherboard front view, floating in space.

    B850M-A WIFI-CSM

    Advanced AI PC ready logo
    AMD Ryzen logo
    AMD B850 platform logo
    Logo depicting power stages

    8+2+1

    phase digital power design
    DDR5 logo

    AEMP

    for enhanced DDR5 performance
    2.5Gb Ethernet icon

    2.5Gb Ethernet

    for faster data transfers
    WiFi 6E icon

    WiFi 6E

    for stable WiFi connection and lower latency
    USB 5Gbps Type-C icon

    USB 5Gbps Type-C®

    for rapid data transmission
    PCIe 5.0 slots icon

    PCIe 5.0 slots

    for graphics card and storage
    EZ PC DIY icon

    EZ PC DIY

    for easier build customization
    USB 10Gbps Type-C icon

    Pre-mounted
    I/O shield

    for safeguarding ports and enhancing aesthetics
    Aura Sync icon

    Aura Sync

    for full RGB lighting control

    ASUS Corporate Stable Model

    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

    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

    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

    Digital Power Design

    8
    Vcore power
    2
    SOC power
    1
    Misc power
    Angled top-down view of PRIME B850M-A WIFI-CSM motherboard.

    Enhanced Memory & Storage Performance

    Enhanced DDR5 performance

    Graphic depicting RAM speeds.

    Three M.2 slots (up to 128 Gbps)

    Graphic depicting different M.2 slots on a motherboard.

    Cooling

    Cooler by design

    PRIME B850M-A WIFI-CSM front view.

    Smart Cooling precision

    ASUS Fan Xpert 2+

    UI for Fan Xpert 2+

    Cooler compatibility

    See compatible AIO coolers
    A Prime motherboard and AIO cooler on a table.

    Flexibility

    Empowering connections

    WiFi 6E logo

    WiFi 6E

    Realtek 2.5Gb Ethernet logo

    2.5Gb Ethernet

    PCIe 5.0 logo

    PCIe 5.0

    PCIe 5.0 slot logo

    PCIe 5.0 slot

    USB 5Gbps logo

    USB 5Gbps

    WiFi 6E

    Learn More
    ASUS WiFi Q-Antenna

    Realtek 2.5 Gb Ethernet

    Realtek 2.5 Gb Ethernet

    Front USB 5Gbps Type-C®

    Front USB 5Gbps Type-C®

    Customization

    Personalization

    UEFI Bioses

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

    UEFI Bioses advanced mode UI.

    ASUS GlideX

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

    GlideX Logo

    ASUS DriverHub

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

    ASUS DriverHub UI

    Armoury Crate

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

    ASUS Armoury Crate UI

    Aura Sync

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

    ASUS Aura Sync Logo

    Addressable Gen 2 RGB headers

    Three addressable Gen 2 headers detect LED counts on compatible RGB devices, automatically adjusting lighting effects accordingly.

    Image depicting PRIME B850M-A WIFI-CSM ARGB connectors.

    Customization

    DIY friendly

    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 B850M-A WIFI-CSM pre-mounted I/O Shield.

    Bioses FlashBack

    Bioses FlashBack simplifies Bioses updates. Just load the Bioses file onto a FAT32 USB stick, insert it into the Bioses FlashBack port, and press a button—no CPU or memory needed.

    Graphic depicting the PRIME B850M-A WIFI-CSM Bioses FlashBack feature.

    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 B850M-A WIFI-CSM SafeSlot feature.
    AMD Ryzen 9000 Series CPU

    Build for the most advanced pc for gaming and creating

    hidden
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    AMD B850 ATXマザーボード、DDR5、PCIe 5.0対応、3つのM.2スロット、Wi-Fi 6E、Realtek 2.5Gbイーサネット、DisplayPort、HDMI™、背面USB 10Gbps Type-AおよびType-C®対応、Bioses FlashBack™、Aura Sync
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    ASUS PRIME B650-PLUS-CSM AMD B650 (Ryzen AM5)は、DDR5、PCIe 5.0 M.2対応、Realtek 2.5Gbイーサネット、DisplayPort、HDMI®、SATA 6 Gbps、USB 3.2 Gen 2 Type-C®、フロントUSB 3.2 Gen 1 Type-C®、Bioses FlashBack™、USB4®対応、Aura Syncを搭載したmicro ATXマザーボード
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    AMD B850 (AM5 Socket) micro-ATX motherboard, Advanced AI PC-ready, DDR5, PCIe 5.0 Ready, three M.2 slots, Realtek 2.5Gb Ethernet, dual DisplayPort, HDMI™, front USB 5Gbps Type-C® support, Bioses FlashBack™, Aura Sync
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    AMD B850 mATX motherboard, DDR5, PCIe 5.0 Ready, two M.2 slots, Realtek 2.5Gb Ethernet, DisplayPort, HDMI™, rear USB 10Gbps Type-A, front USB 5Gbps Type-C®, Bioses FlashBack™, Aura Sync
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    0.0 out of 5 stars.


    AMD B850 ATX motherboard, DDR5, PCIe 5.0 Ready, three M.2 slots, Realtek 2.5Gb Ethernet, DisplayPort, HDMI™, rear USB 10Gbps Type-A & Type-C® support, Bioses FlashBack™, Aura Sync
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    AMD B840 (AM5 ソケット) マイクロ ATX マザーボード、Advanced AI PC 対応、DDR5、PCIe 4.0対応、3つの M.2 スロット、Wi-Fi 6E、Q-Antenna、Realtek 2.5Gbイーサネット、Dual DisplayPort、HDMI™、背面およびフロントUSB 5Gbps Type-C®、Bioses FlashBack™、Aura Sync
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    AMD A620搭載Micro-ATXマザーボード、DDR5、PCIe 4.0グラフィックスカードおよびPCIe 4.0 M.2対応、DisplayPort、HDMI ™、VGA、USB 3.2 Gen 1 Type-A、SATA 6Gbps、双方向AIノイズキャンセリング、Aura Sync
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    AMD A620 (Ryzen™ AM5)マイクロATXマザーボード (DDR5、PCIe 4.0対応、デュアルM.2スロット、DisplayPort/HDMI™/VGA、USB 3.2 Gen 1ポート、前面USB 3.2 Gen 1 Type-C®、SATA 6 Gbps) 、Bioses FlashBack™、双方向AIノイズキャンセリング、Aura Sync RGBライティングを搭載
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    AMD B550(Ryzen AM4)micro ATXマザーボード、デュアルM.2、PCIe 4.0、Wi-Fi 6、1Gbイーサネット、HDMI、DVI-D、D-Sub、SATA 6Gbps、USB 3.2 Gen 2 Type-A、Aura Sync RGBライティング対応
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