Asus PRIME B860M-A WIFI LGA1851 DDR5 mATX Motherboard

Asus PRIME B860M-A WIFI - Description

LGA1851 DDR5 mATX Motherboard

Engineered for the latest Intel® Core™ Ultra Processors (Series 2), ASUS PRIME series motherboards deliver powerful performance and versatile features tailored for DIY PC builders. The PRIME B860M-A WIFI offers a robust power system, advanced cooling solutions, and smart tuning capabilities—making it ideal for users seeking high-performance computing and readiness for AI-driven applications.

Performance:

This motherboard supports Intel® Core™ Ultra Series 2 processors via the LGA1851 socket and includes a strong power delivery system with a 7+1+1+1 phase design using 80A power stages. For graphics and expansion, it provides a PCIe 5.0 x16 SafeSlot for maximum bandwidth, one PCIe 4.0 x16 slot operating at x4 speeds, and a PCIe 4.0 x1 slot. Memory is enhanced with four DDR5 DIMM slots supporting dual-channel architecture and AEMP III technology. 

Cooling:

To ensure stable operation under heavy loads, the board includes an all-encompassing thermal solution with VRM and chipset heatsinks. It also offers multiple fan headers including dedicated connections for CPU fan, CPU OPT fan, and AIO pump, along with three chassis fan connectors to maintain optimal airflow and system cooling.

Flexibility:

The motherboard delivers extensive connectivity for various peripherals and devices. USB options consist of four USB 2.0 Type-A ports, one USB 20Gbps Type-C®, one USB 10Gbps Type-A port, two USB 5Gbps Type-A ports, and internal headers for additional USB 10Gbps Type-C®, USB 5Gbps, and USB 2.0 support. Display outputs include HDMI™ and two DisplayPort connectors. 

Customization:

For personalized aesthetics, the board supports RGB lighting customization with one Aura RGB header and three Addressable Gen 2 headers. These allow seamless synchronization of lighting effects across multiple connected RGB components.

Performance

AI Solutions:

ASUS integrates AI-powered tools like AI Advisor, offering expert guidance on optimizing motherboard features and system performance in an easy-to-use format.

AI Advisor:

This intuitive tool helps users explore and utilize the full potential of ASUS motherboard technologies effortlessly.

Robust power design:

Ensuring consistent and reliable power delivery to high-core-count CPUs, the PRIME B860M-A WIFI uses a 7(80A)+1(80A)+1(80A)+1(80A) configuration. Each power stage combines high-side and low-side MOSFETs and drivers rated up to 80 amps, ensuring efficiency, stability, and compatibility with both current and upcoming Intel® CPUs.

Six-layer PCB design:

The multi-layered PCB enhances thermal dissipation around voltage regulators, improving overall system stability and providing better overclocking capabilities.

ProCool connector:

ASUS’ proprietary 8-pin ProCool connector ensures a durable and efficient power connection from the PSU to the CPU. Its solid-pin design allows higher current capacity compared to standard hollow-pin connectors, enhancing reliability and durability.

Power Saving:

Users can reduce energy consumption through customizable settings that adjust CPU power limits, dim Aura lighting, set fans to power-saving mode, and activate Windows' built-in Power Saver plan.

Digi+ VRM control:

This feature enables real-time adjustments to voltage regulation, allowing fine-tuning of voltage droop, switching frequency, and power efficiency for improved performance and control.

Enhanced Memory & Storage Performance

AEMP III for Ultimate DDR5 Performance:

ASUS Enhanced Memory Profile III (AEMP III) is a powerful firmware feature designed to unlock the full potential of high-speed DDR5 memory. Utilizing a two-step tuning method, AEMP III first fine-tunes the clock driver and then adjusts the memory frequency, achieving optimal balance between speed and system stability. This allows users to reach impressive DDR5 speeds of up to 7600 MT/s and beyond, while maintaining reliable performance.

DIMM Fit:

An exclusive BIOS tool from ASUS, DIMM Fit analyzes each memory module individually to optimize compatibility and performance while identifying any potential issues. Whether you're pushing for maximum overclocking performance, seeking ultra-responsive gaming, or relying on rock-solid stability for content creation, DIMM Fit delivers tailored optimizations based on your specific hardware setup.

Two M.2 Slots (Up to 128Gbps):

The motherboard features two M.2 slots—supporting PCIe 5.0 x4 and PCIe 4.0 x4 respectively—for lightning-fast storage performance. The PCIe 5.0 slot enables data transfer speeds of up to 128Gbps, significantly reducing load times for operating systems and applications, while the PCIe 4.0 slot offers an additional high-speed storage option.

Cooling

Cooler by design:

The PRIME B860M-A WIFI is built with an advanced thermal design, featuring multiple heatsinks across critical components and hybrid fan headers that ensure efficient heat dissipation. This keeps your system running cool and stable, even under heavy workloads.

ASUS Fan Xpert 2+:

ASUS Fan Xpert 2+ gives you full control over your system's cooling setup. With Auto-Tuning mode, it automatically configures fan settings in one click. For quieter operation during light usage, Extreme Quiet mode lowers fan speeds below default minimums. You can also manually adjust fan curves directly through the UEFI BIOS.

Cooler compatibility:

ASUS AIO liquid coolers are specially designed to deliver excellent thermal performance, high overclocking headroom, and customizable RGB lighting. They are fully compatible with the latest motherboards, making them ideal for building a high-performance gaming PC.

Flexibility

Empowering connections:

Designed for modern computing needs, the PRIME B860M-A WIFI offers extensive connectivity options, including WiFi 6E support, next-gen PCIe interfaces, and a wide array of USB ports—including versatile Type-C connections.

WiFi 6E:

Equipped with built-in WiFi 6E technology, this motherboard leverages the new 6 GHz frequency band, offering triple the bandwidth compared to traditional 2.4/5 GHz bands. This results in faster wireless speeds, reduced network congestion, and improved reliability in crowded wireless environments.

USB 20Gbps port:

For high-bandwidth peripheral support, the rear panel includes a USB Type-C® port capable of data transfer rates up to 20Gbps—ideal for connecting ultra-fast external drives, VR gear, and other high-end accessories.

PCIe 5.0 slot:

Featuring a PCIe 5.0 x16 slot, the motherboard doubles the bandwidth compared to PCIe 4.0, delivering enhanced data throughput, improved signal integrity, and backward compatibility with older PCIe devices. This ensures future-proof expandability for graphics cards, NVMe SSDs, and more.

Customization

Personalization:

The PRIME B860M-A WIFI is designed to offer a tailored user experience, streamlining BIOS adjustments and offering full control over RGB lighting—letting you create a system that looks and performs exactly how you want.

UEFI BIOS:

With an intuitive UEFI interface, users of all skill levels can easily navigate settings—offering straightforward configuration for beginners and in-depth tuning options for experienced PC enthusiasts.

ASUS GlideX:

Enjoy effortless multi-device connectivity with ASUS GlideX, which allows seamless screen sharing and control across PCs, tablets, and smartphones through wired or wireless connections—across multiple platforms.

ASUS DriverHub:

Keep your system up to date effortlessly with ASUS DriverHub. It automatically detects and installs the latest drivers with one click, ensuring optimal performance and compatibility.

Armoury Crate:

Manage your Aura Sync RGB lighting and control ASUS devices from a single platform using Armoury Crate. It also simplifies product registration and keeps your software updated.

Aura Sync:

Take full control of your system’s RGB lighting with Aura Sync, enabling perfect synchronization between compatible components—creating a cohesive and vibrant visual setup.

Addressable Gen2 RGB Headers:

Equipped with three Addressable Gen2 RGB headers, the motherboard automatically detects the number of LEDs on connected devices and adjusts lighting effects accordingly—ensuring smooth, dynamic visuals.

DIY-Friendly Design:

Engineered with PC builders in mind, the PRIME B860M-A WIFI includes a range of tools and features that simplify assembly and enhance usability for a smoother DIY experience.

Q-Antenna:

Installing WiFi antennas has never been easier. Q-Antenna technology allows for quick snap-in installation—eliminating the need for tedious screw adjustments and ensuring reliable connectivity every time.

Q-LED Core:

The Q-LED Core indicator uses color-coded lights during the system's Power-On Self-Test (POST) to help identify potential issues at a glance—making troubleshooting faster and more efficient.

Pre-Mounted I/O Shield:

A pre-installed I/O shield protects rear ports, improves build efficiency, and enhances the overall look of your build—making installation easier and cleaner.

SafeSlot:

Built with PCIe 5.0 support, SafeSlot offers enhanced durability and secure card installation. Its reinforced metal structure ensures reliable performance while supporting the ultra-fast data transfer speeds of next-gen components.

View More of Motherboards