MSI MAG B860 Tomahawk WIFI DDR5 Motherboard

The MSI MAG B860 Tomahawk WIFI DDR5 Motherboard supports Intel Core Ultra processors (Series 2) on the LGA 1851 socket, features up to 4 x DDR5 memory, PCI-E 5.0 and 4.0 compatible expansion slots, 3 x M.2 slots, 4 x SATA ports (6Gb/s), 10 x rear USB ports, 7 x front panel USB header ports, Intel Killer E5000 5Gbps LAN, WiFi 7 BE1750x, Bluetooth 5.4, Realtek ALC897 audio codec and an ATX form factor.

Warning: This product contains a button battery - If swallowed, a lithium battery can cause severe or fatal injuries with 2 hours. - Keep batteries out of reach of children. - If you think batteries may have been swallowed or placed inside any of the body, seek immediate medical attention.

Features

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MAG B860 TOMAHAWK WiFi

MAG B860 TOMAHAWK WIFI is designed for gamers with a stable, durable and DIY friendly foundation for their PC builds. Coming up with Killer Wi-Fi 7 solution and 5G LAN, Thunderbolt 4, PCIe 5.0 solutions, Supplemental PCIe Power and exclusive EZ DIY features, it's ready for the battlefield of Intel Core Ultra processors.

• Support Intel^® Core™ Ultra Processors (Series 2) for LGA 1851 socket
• Supports DDR5 Memory, Dual Channel DDR5 9200+ MT/s (OC)
• Ultra Performance: 12+1+1+1 Duet Rail Power System 60A SPS, dual 8-pin CPU power connectors, Core Boost, Memory Boost, 6-layer PCB made by 2oz thickened copper and server-grade level material
• Frozr Guard: Extended Heatsink, MOSFET thermal pads rated for 7W/mK, additional choke thermal pads and EZ M.2 Shield Frozr II are built for high performance system and non-stop experience
• EZ DIY: EZ PCIe Release, EZ M.2 Shield Frozr II, EZ M.2 Clip II and EZ Antenna
• Lightning Fast Game experience: PCIe 5.0 slot, Lightning Gen 5 x4 M.2
• Ultra Connect: Thunderbolt™ 4 port, Intel^® Killer™ 5G LAN & Intel^® Killer™ Wi-Fi 7 Solution - the latest solution for professional and multimedia use, delivering secure, stable, and high-speed networking and data transmission
• Audio Boost : Reward your ears with studio grade sound quality for the most immersive gaming experience

MAG MSI Arsenal Gaming

MSI's mainstream MAG series optimises stability and durability and is built to withstand the most intense gaming sessions. The entire lineup features robust construction with metallic-like hardness and excellent heat dissipation, ensuring stability for all critical gaming components.

Exclusive Features

• Pre-Installed I/O Shield
• EZ M.2 Shield Frozr Il
• PCle Supplemental Power
• 12+1+1+1 Duet Rail Power System with 60A SPS
• EZ PCle Release
• Steel Armour Il
• EZ Conn Design

Thermal Solution

Premium Thermal Solutions

• Extended Heatsink
• 6-Layer Server Grade PCB with 2oz Thickened Copper
• Pump Fan Support
• Heatsink with 7W/mK Thermal Pad

Connectivity

High-Speed Transmission

• Thunderbolt 4
• 5G LAN
• Wi-Fi 7
• 1 x PCle 5.0 M.2 Slot
• 2 x PCle 4.0 M.2 Slots
• Memory Boost
• Lightning Gen 5

Ready for AI PC

MSI motherboards are designed with advanced hardware and technology, well-supporting the demanding computing usage of gaming and AI. Moreover, we also introduce AI to MSI Center and BIOS, making everything more effortless than before.

Al Engine

Al Engine Provides several categories for you to sync the applications you want to perform and automatically optimising them to create a comfortable environment.

AI LAN Manager

AI LAN Manager Optimises networking performance and minimises latency, providing a seamless online experience.

Froz Al Cooling

Froz Al Cooling automatically adjusts fan duty to make sure the system stays in cool, stable and high performance.

Al Boost

Al Boost is an MSI exclusive feature. It overclocks NPU to improve higher Al performance.

EZ DIY

One Finger

EZ M.2 Installation

MSI's exclusive EZ M.2 Shield Froz Il and EZ M.2 CLIP II make M.2 installation seamless. Insert the SSD card into the slot and press it down to lock it in place with the clip. As fasten the SSD, flick the clip outwards and then the SSD is removed. The process is smooth, and you don't need to use your tools like before. One finger can give you perfect DIY experience.

EZ M.2 CLIP II Remover

Introducing MSI's EZ M.2 CLIP II Remover, a handy tool designed to simply switching or repositioning the EZ M.2 CLIP Il on your motherboard. This tool allows users to effortlessly detach the EZ M.2 CLIP Il from the motherboard and reattach it to any desired M.2 slot. It is included in the accessory kit that comes with MSI motherboards.

EZ GPU Installation

EZ PCIe Release

An easy-to-access physical button release mechanism that can help remove any PCIe card with a single tap, making it much easier to upgrade to a new GPU or other compatible device, streamlining the entire process and enhancing user experience.

EZ Button

Restore the BIOS to the default settings – helpful in 99% of the cases to successfully boot again.

Flash BIOS Button

Flash the BIOS with only a connected power supply by following a few steps. CPU and memory not required.

Clear CMOS Button

Restore the BIOS to the default settings - helpful in 99% of the cases to successfully boot again.

One Hand

Pre-Installed I/O Shield

The Pre-Installed I/O Shield offers a streamlined and hassle-free installation experience by eliminating the need to manually fit the I/O shield during motherboard setup. With its built-in design, it ensures proper alignment and a secure fit, providing both protection and convenience while enhancing the overall durability of your build.

EZ Mounting

MSI motherboards circuitry ensure the case standoff keep out zones are pure and clean. Moreover, the protective paint is printed around each screw hole to prevent parts from being scratched or damaged to the motherboard.

• Avoid Collision Notification
• Keep Out Zone
• Double ESD Protection

One Step

EZ Antenna

MSI EZ Antenna makes the process effortless by simply attaching fasteners to the motherboard without rotation.

EZ Conn-Design (JAF_1)

The MSI exclusive JAF_1 header allows MPG EZ120 ARGB fan to operate with a single cable. Alternatively, the JAF_1 header can be converted into additional ARGB Gen 1 and fan headers by using a dedicated 1-to-2 EZ Conn-cable, streamlining and optimising the entire building process.

EZ Front Panel Cable

This cable takes care of the tedious part of the build process, makes motherboard front panel connections quickly and accurately.

Driver Utility Installer

Once connected to the internet, MSI Driver Utility Installer will detect and present suitable drivers and utilities automatically, you can download and install with just a few clicks.

*Please ensure to connect the internet, or the Driver Utility Installer won't launch automatically.

*MSI Driver Utility Installer will be ready in Windows 11 build 22H2.

One Glance

EZ Debug

EZ Debug LED

Onboard LEDs will indicate the source of the problem so you know exactly where to look to get up and running again.

EZ Memory Detection LED

This LED lights up when it detects faulty memory in slots, eliminating guesswork from troubleshooting.

EZ Identify

Header with Different Colour

To better differentiate between pin headers for different purposes, mark the pump sys header and ARGB headers in white and PCIe 8-pin header in grey, enabling users to manage cables more efficiently.

Identify M.2 Signal Source

The motherboard has a detailed M.2 signal source list printed on it, allowing you to easily identify them.

Identify USB Speed

Change the way USB speeds are described to numbers (rather than the confusing names like USB 3.2 Gen 2x2) for better understanding

One Click

EZ Overclocking

While overclocking can be overly complex for some, MSI Click BIOS X made it more accessible with multiple one-click overclock features for both processor and memory, allowing users to easily enhance system performance without delving into intricate settings.

Game Boost

One-click CPU overclock automatically optimises your CPU performance, instantly tuning it to the best possible level.

AI Boost

An intelligent algorithm boosts NPU performance to get the best possible AI performance when you need additional horsepower.

MSI AI Boost offers three-stage NPU overclocking, allowing users to adjust NPU performance based on their specific needs. This easy-to-use feature makes NPU overclocking both convenient and accessible, enabling users to boost NPU power effortlessly. Tested by MSI OC LAB, AI Boost can achieve up to a 27% performance increase, significantly improving AI computing tasks.

*Enabled with compatible processors.

XMP

Choose from preset XMP profiles to automatically overclock compatible DDR memory for optimal performance.

EZ Optimisation

A host of features inject artificial intelligence into key aspects of your computing experience to make smarter, real-time optimisations. The MSI Center offers a clean, minimal interface to customise and manage your PC settings. The AI Engine, for example, automatically adjusts settings based on the applications you're using, ensuring seamless performance.

Ultra Performance

Power Solution

Power Design

12+1+1+1 DRPS Power System

Unleash and sustain maximum performance with an aggressive VRM design built with digital CPU power system. Combining 8 + 8-pin power connectors and exclusive Core Boost technology, MAG series motherboard is ready to sustain heavy gaming loadings.

• 12 PHASE VCPU POWER 60A SPS
• 1 PHASE SA POWER
• 1 PHASE GT POWER
• 1 VNNAON Power
• 2 x 8 pin CPU Power
• Core Boost
• Digital Power

PCB Design

Optimised PCB Solution

The PCB design has been optimised for higher bandwidth and faster transfer speeds, which is also beneficial for reliable circuit transmission.

• 6 PCB layers
• NPG-170D Server-grade PCB material
• 2oz Thickened Copper

EZ OC Tuning

Performance Preset

MSI exclusive Performance Preset is a more intuitive way to boost performance by setting the power limitation as your preference. There are four level settings - Intel Default Settings, MSI Performance Settings, MSI Extreme Settings and MSI Unlimited Settings.

CPU Lite Load Control

CPU Lite Load Control is a feature that allows for easy adjustment of the AC/DC load line settings. It is primarily used to fine-tune the CPU's operating voltage to optimise power consumption and thermal performance. The system can maintain stable performance while improving energy efficiency, reducing overall power consumption and temperature. This feature is ideal for users who want more precise control over system power management.

BCLK Control

MSI motherboards feature a dedicated clockgen, enabling flexible BCLK overclocking. Users can choose to sync CPU and SOC BCLK or adjust them separately, allowing for precise, independent tuning of each for optimal performance. This flexibility enhances the overdocking experience, letting users fine-tune settings for improved stability and system efficiency.

OC Engine

OC Engine is a precision clock generator for extreme overclocking, allowing users to adjust base clock (BCLK) frequencies independently for enhanced CPU performance. It ensures stability while pushing system limits, making it ideal for overclocking enthusiasts aiming to maximise performance and achieve new records with safety and control.

More for Performance

1-Second Overclocking!

MSI Game Boost enables one-second overclocking, giving you the performance boost you need to get more FPS.

Load-Line Calibration

What you set, is what you get. LLC makes sure your CPU voltage remains 100% stable under any load. This greatly improves stability when demanding more CPU performance.

Overvoltage Protection

Prevents potential short-circuit damage to the CPU and other critical components.

Memory

DDR5 Memory Support with High Performance

A huge step of DDR performance enhancement with the latest DDR5 memory. Combines with dedicated SMT welding process and MSI Memory Boost technology, B850 GAMING PLUS WiFi is ready to deliver the world class memory performance.

• XMP SUPPORT
• MEMORY BOOST
• SMT PROCESS

Memory Extension Mode

Memory Extension Mode provides optimised memory parameters for enhanced capability at the same frequency, achieving lower latency and higher performance. Furthermore, Memory Extension Mode can combine XMP profiles to maximise memory frequency, enabling users to effortlessly discover the best configuration based on their requirements.

Performance Mode, Benchmark Mode, Memtest Mode and High Efficiency Mode provide users with the flexibility to swiftly identify the ideal configuration tailored to their requirements and memory overclocking capabilities.

Protection

Transient Voltage Suppressors (TVS)

Transient Voltage Suppressors (TVS) are safety devices used to protect against excessive voltage. All motherboard models of MSI are equipped with TVS. When the voltage abnormally rises, the TVS switches from a high-resistance state to a low-resistance state, diverting the excessive voltage to ground. This helps prevent circuit damage caused by high voltage.

Solid Pin Design

The 4-pin, 8-pin, and 24-pin power connectors of MSI motherboards are all designed with solid pins. The solid pin design allows for a more stable transmission of 12V power to the CPU, even when handling high current loads.

Advantages of Solid Pin Power Connector

• Improved stability : Larger contact area enhances stability during power delivery.
• Low impedance : Solid pins offer low impedance, enabling efficient power flow.
• Strong durability : The solid pin design ensures strong durability, capable of withstanding demanding conditions.
• Suitable for high-current applications.

Stainless Steel IO

Anti-Corrosive Stainless Steel IO Shield

An extra layer of sponge materials along with corrosive resistance IO Shield to help improve static electricity and reduce electromagnetic radiation noise from the system as well as much more durable compare to traditional IO Shields.

Over Current Protection

MSI motherboards prioritise safety with the embedded Overcurrent Protection (OCP), ensuring crucial components such as the USB ports, DDR memory, PWM IC, and CPU are shielded from excessive current. This proactive defence mechanism curtails the risk of damage or malfunction due to power surges, promoting long-term system stability. This commitment to safeguarding your hardware underscores MSI's dedication to producing motherboards that prioritise durability and stability.

• CPU / PWM IC
• MSI DDR Memory Slots
• MSI Rear and Front USB ports

The Grounding Structure of Power Phases

The grounding structure of power phases is the MSI's exclusive design. This patented design enables to suppress the electromagnetic interference (EMI) generated by the power phases and helps to efficiently conduct heat to the copper plane with grounding properties.

Frozr Design

Frozr Guard

Cooling Overview

Extended Heatsink

Extended Heatsink enlarges the surface of heat dissipation and maintain the performance at heavy loads.

Double-Sided M.2 Shield Frozr

Strengthened M.2 thermal solution helps keep M.2 SSD safe and ensures incredible performance.

Heavy Plated VRM Heatsink

The VRM heatsink covers the upper MOS and helps dissipate the heat.

7W/mK Thermal Pad & Additional Choke Pad

High-quality 7W/mK MOSFET thermal pads and additional choke thermal pads ensure stable performance when all cores are running at high speed.

Enlarged Chipset Heatsink

The enlarged heatsink is designed to reduce dust and noise and capable of maintaining high efficiency of heat dissipation.

Frozer Sync

System Cooling

DIY 2.0 – Integrating with the System Environment

Connect and synchronise with MSI coolers and cases with strategically positioned pin-header locations including a dedicated pump-fan header.

• FOR CPU COOLER
• FOR LIQUID COOLER - 3A power deliver / Supports auto-detect
• FOR SYSTEM FAN - Supports auto-detect
• EXCLUSIVE EZ CONN. - JAF_1 - 2A power deliver(fan) / Supports dedicate MSI PC components.

Combo Fan Header

The MSI Combo Fan Header is a versatile component, functioning as both a pump and or fan header. The header will automatically detects whether it is either pump or PWM/DC fan, with it's distinctive grey colour ensuring easy identification

Frozer Control

Cooling Wizard

Cooling Wizard serves as a comprehensive solution for managing fan settings across all MSI products. It ensures superior cooling performance and noise reduction for your gaming PC, offering compatibility with PWM/DC fans and pumps, customisable options, and intuitive temperature monitoring for optimal operation with one click.

Multiple Profiles

Save up to 5 profiles for multiple occasions

Smart Fan & Manual Fan

Smart Fan

Allow users to change the temperature curve with the 4 dots provided

Manual Fan

Allow users to manual change the temperature at a set percentage

User Scenario

Follow MSI Center Mode

Adjust fan settings according to the mode selected in User Scenario

BIOS Mode

Adjust Fan settings in BIOS

Customise by User

Customise fan settings by the users

Frozr AI Cooling

Frozr AI Cooling targets CPU and GPU temperatures. The AI system detects CPU and GPU temperatures and automatically adjusts the fan duty of system fans to ensure optimal performance.

Auto Detect Fan

MSI fan headers automatically detect fans running in DC or PWM mode for optimal tuning of fan speeds and silence. Hysteresis also makes your fans spin up fluently to make sure your system stays silent, no matter what.

Trilink

Networking

Flawless Connection

High-Bandwidth and Low-Latency Network

MSI's premium network solution provides incredible data transfer speed for demanding users.

The Next Gen Wi-Fi Solution – Wi-Fi 7

Wi-Fi 7 is the latest wireless solution that takes a huge leap forward with multiple improvements to meet the traffic demand brought and the growing number of wireless devices.

*Windows 11 compatibility only

Upgrade to Wi-Fi 7

Wi-Fi 7 (802.11be) introduced higher speeds, wider channels, improved efficiency, and reduced latency over Wi-Fi 6 (802.11ax). It also improved battery life and provided better performance in crowded environments.

Data Transfer Rate

The Wi-Fi 7 provides maximum speeds to a whopping 5.8 Gbps! 2.4 times faster than previous Wi-Fi 6/6E standards, Wi-Fi 7 is set to be the wireless standard of the future.

Channel Size

Previous Wi-Fi generations have had to make do with 160MHz channel widths. Wi-Fi 7 brings this width up to 320MHz (on 6GHz) – ensuring better reliability during simultaneous transmissions at max speeds.

Higher Order Modulation

The higher QAM(Quadrature Amplitude Modulation) value, the more data each packet can carry. Wi-Fi 7 improves the modulation scheme from 1024-QAM to 4096-QAM – boosting peak transmission rates and network capacity.

Multi-Link Operation

Wi-Fi 7 enables devices to simultaneously send and receive data across several frequency bands and channels to meet the traffic demand brought and the growing number of wireless devices.

Intel Killer

Intel Killer Performance Suite

Equipped with Intel Killer LAN / Killer Wi-Fi, you can use the Intel Killer Performance Suite. It not only prioritises frequently used applications but also provides recommendations to optimise network quality.

• Application priority auto-detection
• Autonomous bandwidth analysis and management
• Smart AP selection with fast switching
• AI Overclocking recommends CPU overclock settings based on characterisation (Applicable only to K-skus)

Storage

Fast and Future-Ready Storage

MSI MAG series motherboards support all the latest storage standards, which allows users to connect any ultra-fast storage device. Start games faster, load levels faster and have a real advantage over your enemies.

• 1 x lightning gen 5 - 128 Gbps
• 1 x lightning gen 4 - 64 Gbps
• 1 x lightning gen 4 - 32 Gbps

Expansion

Lightning Gen 5 PCIe with Steel Armour

Lightning Gen 5 PCIe

Doubling over the previous generation, the bandwidth of a x16 interface can reach 128GB/s.

SMT PCIe 5.0 SLOT

The advanced SMT(Surface Mount Technology) PCIe slot diminish interference and electrical noise, fully support the PCI-E 5.0 signal.

Steel Armour II

Compared to the previous generation, Steel Armour Il's weight endurance has increased by 21%, ensuring excellent signal transmission quality.

PCIe Supplemental Power

The exclusive Supplemental PCIe Power connector provides dedicated power for the high-power demands of GPUs used in AI computing and gaming, ensuring stable, efficient, and sustained performance.

• 2.5x - Power Excursion
• ATX 3.1 Ready
• PCle 5.1 Ready

TBT4 Support

Daisy Chain

Connect multiple Thunderbolt™ devices in a daisy chain, allowing data, power, and video signals to flow from the computer to up to five accessories. Alternatively, use a Thunderbolt™ hub or dock to consolidate all accessories into a single connection to your Thunderbolt™ computer.

External Storage / Docks

Thunderbolt™ lets gamers play large file-sized games directly from an external drive, freeing up computer storage. Creators can quickly back up large video and photo files for peace of mind. With 40 Gbps bandwidth, Thunderbolt™ efficiently handles data and video, ideal for heavy workloads and fast file transfers.

Video Display

Rich display options: Up to two 4K 60 Hz displays or one 8K 60 Hz display on a single connection.

TBT5 Ready

Ready for the Future - Thunderbolt 5 Ready

Delivers up to 160 Gbps of total bandwidth transmission for the latest super-speed devices and drives. The ports can be employed for up to multiple external 8K displays, and support up to 27W of rapid power delivery charging.

• Total 160Gbps Transmission Speed - Transfers large files faster than before
• Adaptive bandwidth allocation - Supports simultaneous transfer of data, images, videos, and more
• 27W Power Delivery - Delivers up to 27W for rapid charging

*The MSI THUNDERBOLTM5 card is for illustrative purposes only and is not included in the package.

Experience

Audio

Audio Boost

• High Definition Audio Processor
• High Quality Audio Capacitors
• High Quality Audio Jacks
• Isolated Audio Signal
• De-Pop Protection

The Isolated Analogy Structure for Audio Connectors

To provide clear voice, MSI develops a unique structure – Isolated Analogy Structure. The external metal framework of the audio connectors is separated from the internal layout, which ensures the sound quality crisp.

* The image above is an illustrative reference. Please refer to specification pages for more details.

Mystic Light

Glow Your PC

Splash on some colour and vibrant RGB lighting effects using Mystic Light utility of MSI Center, which has million colours and fancy LED effects. Enjoy the full control and creativity of your PC's lighting with one software.

• Wave
• Steady
• Flame
• Breathing
• CPU Temperature
• Colour Ring
• Lightning
• Recreation
• Meteor
• Default

Synchronised

Extend Your RGB Experience with Ease

Add more colour if you want! Mystic Light Extension pin header provides an intuitive way to control additional RGB strips and other RGB peripherals added to a system, without needing a separate RGB controller.

A-Rainbow V2

Supports 5V Addressable RGB devices. Compatible with ARGB Gen2 / Gen1 devices.

*Gen2 device only supports 7 RGB themes

RGB

Supports 12V RGB Devices

Ambient Link

Synchronise lighting theme with compatible lighting devices.

BIOS

Click BIOS X

MSI’s newly designed CLICK BIOS X offers an aesthetically pleasing and user-friendly experience. The new design ensures that users of all experience levels can quickly access and adjust system configurations with ease.

• EZ Mode
• Advanced Mode

BIOS Key Features

AI Boost

Easily enhance your NPU performance with a click, unlocking the full potential of Al processing.

XMP

Easily apply optimised memory over docking profiles through a simple one-click activation.

Hardware Monitor

Instantly access real-time critical hardware information, including temperature, memory capacity, clock speed, and voltage.

M-Flash

Easily flash or update the BIOS in just a few minutes directly from the CMOS Setup Utility.

U-Key

Enables secure system access by requiring a specific USB drive for booting, adding an extra layer of security to your PC.

Profile

Save and switch between multiple custom system configurations, allowing for quick adjustments tailored to different tasks or performance needs.

Favourites

Bookmark frequently accessed settings, providing quick and easy access to essential configurations without the need to navigate through the entire menu.

Search

Quickly locate specific settings or options by typing keywords, streamlining navigation and making system adjustments more efficient.

Software

MSI Center

MSI brand new MSI Center unifies a suite of MSI software utilities into a single centralised application. Take control of advanced motherboards features and unleash endless possibilities.

AI Engine

MSI AI Engine eliminates the need to tweak settings manually and saving you time and effort.

Mystic Light

Create your own colourful masterpiece with ease. Splash any colour you want with just a few clicks!

True Colour

Optimised monitor's brightness and colour in several modes for different situation, you can also customise by yourself.

User Scenario

One click for setting your computer, even customise own profile as your preference.

Hardware Monitoring

Get immediate access to your critical hardware information in real-time.

AI LAN Manager

MSI AI LAN Manager prioritises latency-sensitive apps, ensuring the best low-latency online gaming experience.

Cooling Wizard

Cooling Wizard is a comprehensive tool for managing fan settings across MSI products, offering one-click optimisation

System Diagnosis

Restore and backup your MSI storage devices in one click to provide stable system usage, you can even monitor the storage status to prevent system crash or data missing.

AIDA64

Exclusive UI of AIDA64 Extreme

MSI motherboards provide 60 days free trial of AIDA64 Extreme - MSI edition. AIDA64 Extreme is an almighty application for system information, diagnostics and benchmarks. With the application, you can monitor the detailed hardware and software information on PC and save it to file in multiple formats such as CSV and HTML.

Norton 360

Opt-In to Cyber Safety with Norton 360 Deluxe

Multiple layers of protection for your devices, online privacy features including our Secure VPN, plus Dark Web Monitoring - all in a single solution. With MSI motherboards, you can enjoy a 60-day free trial of Norton 360 Deluxe.

• Up to 50 GB PC cloud backup
• Real time Threat protection and Smart Firewall
• Password manager
• PC SafeCam