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MSI MAG B860 TOMAHAWK WIFI

ATX Socket 1851 Intel B860 motherboard - 4x DDR5 - M.2 PCIe 5.0 - Thunderbolt 4 - PCI-Express 5.0 16x - LAN 5 GbE - Wi-Fi 7

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Overview

Accompany your Intel Core Ultra processor towards AI

The MSI MAG B860 TOMAHAWK WIFI motherboard with Intel socket LGA 1851 can accommodate Intel Core Ultra Arrow Lake-S processors optimised for AI. Featuring ultra-fast connectivity, such as Thunderbolt 4, MSI's MAG B860 TOMAHAWK WIFI also offers a PCI-Express 5.0 x16 slot and an M.2 PCIe 5.0 x4 slot to accommodate the fastest components to satisfy the most demanding gamers. When it comes to networking, there's nothing lacking, as a 5 Gbps LAN connector is available in addition to top-notch wireless connectivity with Wi-Fi 7 and Bluetooth 5.4.

MSI MAG B860 TOMAHAWK WIFI

  • Support for Intel Core Ultra Arrow-Lake-S processors on socket LGA 1851
  • Support for DDR5 9200 MHz memory
  • 1 M.2 PCIe 5.0 x4 slot + 2 M.2 PCIe 4.0 4x slots + 4 SATA 6 Gbps ports
  • 1 PCI-Express 5.0 16x slot
  • Audio Boost 4 for superior sound quality
  • Thunderbolt 4 (USB-C) 40 Gbps port compatible with 8K @ 60Hz and delivering 15W of power.
  • 5 GbE LAN
  • Wi-Fi 7/Bluetooth 5.4

Highlights

  • Larger heatsink: The large heatsink increases the heat dissipation surface area, ensuring that high-end processors can operate at full speed.
  • Heatsinks for M.2 SSDs to get the best performance out of them.
  • EZ PCIe Release: Push button to eject/install the graphics card without too much effort.
  • EZ M.2 Shield Frozr II: easy installation and ejection of M.2 NVMe SSDs.

Intel Core Ultra Arrow-Lake-S processors

Be ready to enter the new era of gaming, choose a PC with AI equipped with an Intel Core Ultra processor. Enjoy top performance for streaming and gaming. Entrust tasks involving AI such as background suppression, audio optimisation and automatic framing to the Neural Processing Unit (NPU) and you'll have ideal streaming and gaming conditions.
Specifications
Select your criteria

General information

Product name

MSI MAG B860 TOMAHAWK WIFI

Brand

MSI

Model

MAG B860 TOMAHAWK WIFI

Processor

Processor support

Intel 1851

Number of CPUs supported

1

Chipset

Chipset

Intel B860

Memory

Memory format

4 X DIMM 288 pins (DDR5)

Memory Frequency(ies)

DDR5 8000 MHz
DDR5 9000 MHz
DDR5 8800 MHz
DDR5 8600 MHz
DDR5 8200 MHz
DDR5 8400 MHz
DDR5 7000 MHz
DDR5 6800 MHz
DDR5 6600 MHz
DDR5 6400 MHz
DDR5 9200 MHz
DDR5 6200 MHz
DDR5 4800 MHz
DDR5 5000 MHz
DDR5 5200 MHz
DDR5 5400 MHz
DDR5 5600 MHz
DDR5 5800 MHz
DDR5 7200 MHz
DDR5 7400 MHz
DDR5 7600 MHz
DDR5 7800 MHz
DDR5 6000 MHz

Memory type

DDR5

Memory technology

Dual Channel

Maximum RAM capacity per slot

64 GB

Maximum RAM capacity

256 GB

Graphic

Integrated graphics controller

No

Compatible graphics core integrated in the CPU

Yes

Expansion slots

Graphic connector(s)

1 X PCI Express 5.0 x16

Number and Type of slots

1 X PCI Express 4.0 x16 (x4)
1 X PCI Express 4.0 x16 (x1)

Multi-GPU type

None

Audio

Audio Chipset

Realtek ALC897

Number of audio channels

8

Network

Number of ports/Ethernet controler

1 X Intel E5000

Network standard(s)

Wi-Fi 7
Bluetooth 5.4
5 Gbps Gigabit Ethernet (5 GbE)

Wi-Fi

Yes

Storage

RAID supported

Yes

Hard drives connectors

2 X M.2 - PCI-E 4.0 x4
1 X M.2 - PCI-E 5.0 x4
4 X Serial ATA 6Gb/s (SATA Revision 3)

Number of M.2 slot(s)

3

Supported RAID Modes

0
1
10
5

Connectivity

Motherboard connector location

Standard connectors (on the motherboard)

Rear panel connectors

1 X Thunderbolt 4/USB-C
1 X DisplayPort Female
1 X RJ45 Female
2 X 3.5mm Jack Female Stereo
1 X Digital audio S/PDIF Optical
1 X HDMI Female
2 X SMA Female
1 X USB 3.1 Type C
4 X USB 3.1
4 X USB 2.0
BIOS Flash Update

Additional connectors

1 X ATX 24 Pin
2 X +12V (Power supply P8)
2 X LED RGB connector(s)
3 X Addressable LED RGB connector(s)
Front panel audio
1 X PCI Express 8 Pin
4 X Internal USB 2.0
2 X Internal USB 3.0
Chassis intrusion
1 X Internal USB 3.1 Type C

Physical characteristics

Motherboard format

ATX

Length

305 mm

Width

244 mm

Equipment

Advanced overclocking features

Yes

Use

Gaming

LED

No

Warranties

Commercial warranty

Legal warranty

Safety Information

Responsible person

MSI Computer Europe B.V

Postal address

Science Park Eindhoven 5706 5692 ER Son, the Netherlands

Electronic Address

gpsr@msi.com

Product referenced on 13 Jan 2025

Customer review
Global rating
10/10
based on 1 review Editorial and moderation guide
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  • by NeimaT
    Posted on 11 May 2026
    Bought on 6 May 2026 from LDLC
    Number of reviews: 1 Average rating: 10

    Nickel

    Motherboard that fulfils these functions well. Easy installation! Big + pad for installed nvm 2 ssd to put the motherboard heatsink

    Review automatically translated

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