Name: PRIME B860M-A WIFI
Brand: ASUS
SKU: 30840

PRIME B860M-A WIFI

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B860M-A WIFI

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 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.

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

power stages with enlarged VRM heatsinks

AI Solutions

for advanced AI capabilities

AEMP III

for enhanced DDR5 performance

WiFi 6E

for stable WiFi connection and lower latency

USB 20Gbps Type-C^®

for ultrafast data transmission

PCIe 5.0 slots

for graphics card and storage

EZ PC DIY

for easier build customization

Pre-mounted
I/O shield

for safeguarding ports and enhancing aesthetics

Aura Sync

for full RGB lighting control

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

Performance

Robust power design

Stable power is crucial for maximizing the performance of Intel^® Core^™ Ultra Processors (Series 2). The PRIME B860M-A WIFI 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.

VCCCORE power
(80A, DrMOS)

VCCGT power
(80A, DrMOS)

VCCSA power
(80A, DrMOS)

VNNAON power
(80A, DrMOS)

Angled top-down view of PRIME B860M-A WIFI motherboard.

Six-layer PCB design

Enhanced stability and overclocking.

The multi-layered printed circuit board design quickly dissipates heat around the voltage regulators to improve overall system stability and provide the CPU with more overclocking headroom.

ProCool connector

Proprietary 8 pin connector improve PSU connection.

Graphic depicting ProCool solid pin connectors.

Proprietary connectors augment the motherboard’s link to the power supply with 8 pin connector that pass 12 volts of power directly to the processor. Each connector features solid pins that can handle more current than hollow-pin connectors.

Power Saving

Optimize power with CPU, lighting, and fan settings.

The Power Saving function contains several settings to easily optimize power consumption and maximize energy savings. You can enable a CPU power limit, darken Aura lighting and set the fan profile to a Power Saving mode. You can also toggle the Power Saver plan that is built into Microsoft Windows.

Digi+ VRM control

Real-time voltage control.

The Digi+ voltage-regulator module (VRM) delivers real-time control over voltage droop, automatically switching frequency and power-efficiency settings.

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

AEMP III

7,600 (OC)

Intel DDR5 Baseband

6,400

Up to

19%

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.

Two M.2 slots (up to 128Gbps)

The PRIME B860M-A WIFI 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 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.

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

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 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

2.5Gb Ethernet

PCIe 5.0

USB 20Gbps

PCIe 5.0 slot

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

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.

PCIe 5.0 slot

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.

PCIe 5.0 x16

512Gbps

PCIe 4.0 x16

256Gbps

PCIe 3.0 x16

128Gbps

Customization

Personalization

The PRIME B860M-A WIFI 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 ARGB connectors.

Customization

DIY friendly

The PRIME B860M-A WIFI 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.

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.

Availability of ASUS AI Advisor may vary by region.
AI Advisor functions may vary by platform. ↑
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.↑
Actual transmission speeds will be lower than the theoretical maximum speed.↑
WiFi 6E availability and features are dependent on regulatory limitations and co-existence with 5 GHz WiFi.↑
Image(s) for reference only.↑
Video(s) for reference only.↑