Asus Prime B840M-A DDR5 Motherboard

Asus Prime B840M-A DDR5 Motherboard

ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen™ 9000 series processors. The PRIME B840M-A 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.

Enhanced DDR5 performance

Comprehensive memory tuning options are the cornerstone of PRIME motherboards. The PRIME B840M-A maximizes the potential of your DDR5 modules, from entry-level to extreme-speed kits.2

For entry-level modules without EXPO™ support, ASUS Enhanced Memory Profile (AEMP) automatically detects memory chips and provides optimized profiles for enhanced performance.

For those looking to surpass stock DDR5 speeds, the PRIME B840M-A offers extensive AMD Extended Profiles for Overclocking (EXPO™) support and a wide array of UEFI settings for further performance tweaks.

Cooler by design

The PRIME B840M-A 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.

Smart Cooling precision

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    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 BIOS.

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    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.

Empowering connections

This motherboard offers a versatile range of connectivity, including support for PCIe 4.0 slot and an arsenal of USB ports which includes Type-C® connections.

Personalization

The PRIME B840M-A enhances the user experience across the board, from simplifying BIOS setting adjustments to offering customizable RGB lighting controls for a uniquely personal system aesthetic.

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    UEFI BIOS
    

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

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    ASUS DriverHub
    

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

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    Armoury Crate
    

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

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    Aura Sync
    

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