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Black ATX motherboard with silver heatsinks and blue accents

MSI

MSI MAG B860 TOMAHAWK WIFI Intel motherboard

SKU CH-EQ3H-8YXZX MPN MAG B860 TOMAHAWK WIFI

Supports Intel Core Ultra Series 2 processors on LGA 1851 with DDR5 up to 9200 MT/s, PCIe 5.0 x16, M.2 Gen5, 5G LAN and Wi-Fi 7

  • ProcessorIntel Core Ultra Processors (Series 2)
  • ChipsetIntel B860
  • Form factorATX
  • CPU socketLGA 1851
  • Memory slot count4 × 288pin (DDR5)
  • Supported memoryUp to DDR5 9200+ MT/s (OC)

Model MAG B860 TOMAHAWK WIFI

  • Supports Intel Core Ultra Series 2 processors on LGA 1851 socket
  • DDR5 memory overclocks to 9200 MT/s across four 288-pin slots
  • Wi-Fi 7 delivers 5.8 Gbps via 320 MHz channels
  • 5 Gbps Killer LAN provides wired throughput for low-latency gaming
  • Tool-less EZ M.2 Shield Frozr II simplifies SSD installation and cooling

Socket LGA 1851 platform for Intel Core Ultra

This ATX motherboard uses the Intel B860 chipset to support Intel Core Ultra Processors (Series 2). It provides a 12 Duet Rail power system with 60A smart power stages and dual 8‑pin CPU connectors for stable delivery under load. The board targets builders who want modern connectivity and straightforward assembly.

DDR5 9200 MT/s OC with four slots and Gen5 M.2

Four 288‑pin slots accept up to 256GB of DDR5 memory running at 9200+ MT/s when overclocked. One PCIe 5.0 x16 slot and one M.2 socket wired for PCIe 5.0 x4 give headroom for the fastest graphics cards and SSDs. Two additional M.2 sockets run at PCIe 4.0 x4 and four SATA 6Gb/s ports handle extra storage.

Wi‑Fi 7 and 5G LAN with extended heatsink cooling

Killer Wi‑Fi 7 BE1750x uses a 320MHz channel for up to 5.8Gbps throughput, 2.4 times faster than Wi‑Fi 6/6E. A Killer E5000B controller provides 5Gbps wired Ethernet while Bluetooth 5.4 handles peripherals. Extended heatsinks, 7W/mK MOSFET pads and the tool‑less EZ M.2 Shield Frozr II keep thermals in check during sustained workloads.

How it compares

Measured against everything we stock in Motherboards for Intel CPUs, at today’s prices. Recalculated every night.

Price $191.99
Pricier than about 81% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameMSI
Model nameMAG B860 TOMAHAWK WIFI
Part numberMAG B860 TOMAHAWK WIFI
Processor
ProcessorIntel Core Ultra Processors (Series 2)
CPU socketLGA 1851
ChipsetIntel B860
Memory
Memory slot count4 × 288pin (DDR5)
Supported memoryUp to DDR5 9200+ MT/s (OC)
Max supported RAM256 GB
Memory channelsDual Channel
Storage
SATA ports4 x SATA 6Gb/s
M.2 slots1 x M.2 (Support PCIe 5.0 x4) / 2 x M.2 (Support PCIe 4.0 x4)
Audio & video
Audio chipRealtek ALC897
Sound channels7.1 Channels
Connectivity
Ethernet controllerKiller E5000B
Maximum network speed5 Gbit/s
Wi-Fi standardKiller Wi-Fi 7 BE1750x
Bluetooth support5.4
Ports & slots
PCIe 5.0 x16 slots1 x PCI Express 5.0 x16
PCIe 4.0 x16 slots2 x PCI Express 4.0 x16
Rear panel ports1 x Clear CMOS Button / 1 x DisplayPort / 1 x Flash BIOS Button / 1 x HDMI / 1 x LAN (RJ45) / 1 x Optical S/PDIF Out / 1 x Thunderbolt 4 / 1 x USB 3.2 Gen 2 Type-C / 2 x Antenna Bracket / 2 x Audio Jacks / 4 x USB 2.0/1.1 / 4 x USB 3.2 Gen 2 Type-A
Size & build
Form factorATX
Shipping weight1.86 kg
Package size347 × 279 × 76 mm

Other versions of this model

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Questions about this item

Will my DDR5-9200+ MT/s OC memory kits run at rated speed on this board with the LGA 1851 socket?

The board supports DDR5 up to 9200+ MT/s overclocked across four 288-pin slots in dual-channel mode, with a maximum capacity of 256 GB.

How can I confirm Wi-Fi 7 and 5 Gbps LAN are active after building the system?

In Device Manager the Killer BE1750x adapter should show Wi-Fi 7 with 320 MHz channel width, and the Killer E5000B LAN should report a 5 Gbps link speed.

Does the box include the EZ M.2 Shield Frozr II cooler and Wi-Fi 7 antennas, or must I buy them separately?

The EZ M.2 Shield Frozr II is integrated on the board for tool-less M.2 installation, and Wi-Fi 7 antennas are supplied in the box; no separate purchase is needed for either.

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