Skip to content

We may earn commission on links. How we make money

MSI MAG B860 Tomahawk WIFI (LGA 1851) DDR5 ATX Motherboard
MotherboardsMSI

MSI MAG B860 Tomahawk WIFI (LGA 1851) DDR5 ATX Motherboard

MPN: MAG B860 TOMAHAWK WIFI

Key specifications

SocketLGA 1851
Form factorATX
ChipsetIntel B860
Memory typeDDR5
M.2 slots3
Max Memory256 GB
Best indexed price
£229.99GBP
Indexed 16 Mar 2026 — verify at retailer. How we get prices

Retailer offers

eBay UK£229.99
Indexed 16 Mar 2026New · seller laptopoutletdirect
Check price at eBay
Amazon UKProduct link
Find on Amazon
More retailers coming

We only list a retailer once we hold verified offer data for it. No placeholder prices, ever.

Indexed prices are snapshots, not live quotes. Confirm price, stock and delivery on the retailer's site — checkout completes there.

We may earn a commission from these links. How it works

Fit check

Add this to your build in the PC Builder to automatically check dimensions, sockets, and power draw.

Check against your build

Same specs for less

Matched on the listed specs that matter for this kind of part, at each listing's lowest new price. Other details (cooling, warranty, looks) can differ.

Related Products

ASUS B650E MAX GAMING WIFI AM5 DDR5 PCIe 5.0 ATX Motherboard
Asus

B650E MAX GAMING WIFI AM5 DDR5 PCIe 5.0 ATX Motherboard

£176.47Indexed 20 Oct
MSI AMD X670E GAMING PLUS WIFI DDR5 ATX Open Box Motherboard
MSI

AMD X670E GAMING PLUS WIFI DDR5 ATX Open Box Motherboard

ASUS PRIME H410M-D/CSM
Asus

PRIME H410M-D/CSM

Asus Pro WS WRX80E-SAGE SE WIFI (Socket sTRX4) EATX Workstation Motherboard
Asus

Pro WS WRX80E-SAGE SE WIFI (Socket sTRX4) EATX Workstation Motherboard

Full Specifications87 fields

Additional Information

Model Number
MAG B860 TOMAHAWK WIFI
Gtin
4711377279642

Additional Specifications

Water Cooled
No
Cooling
Passive Heatsinks
Qpi Speed
N/A
Dimensions
243.84 x 304.8 mm
Note
-

Audio

Soundchip
Realtek ALC897

Back Connect

Back Connect
No

Colour

Primary Colour
Black

Cooling

Backplate
Yes
M 2 Heatsinks
Yes
Vrm Heatsinks
Yes

Core Specifications

Edition
MAG B860 TOMAHAWK WIFI
Form Factor
ATX
Chipset
Intel B860

CPU

Cpu Manufacturer
Intel
Socket
1851

Dimensions

Length Depth
243.8 mm
Width
304.8 mm

Expansion Slots

Pcie X16 Slots Total
2
Pcie X4 Slots Total
1
Pcie X1 Slots Total
1
Pcie 5 0 X16 Mechanical Slot
1
Pcie 4 0 X16 Mechanical Slot
1
Pcie 4 0 X1 Mechanical Slot
1

External Connectivity

Network Interface Type
802.11be Wi-Fi 7 LAN Wired 5 Gigabit LAN (5000)
Network Chip Modules
1 x 802.11be WiFi 7 + BT5.4 1 x Intel (5GbE LAN)
Rear I O Connectors
1 x Clear CMOS Button 1 x DisplayPort 1 x HDMI 1 x Line Out 1 x Mic-In 1 x RJ-45 1 x S/PDIF-Out (Optical) 1 x Thunderbolt 4 4 x USB 2.0 4 x USB 3.2 Gen2 Type-A 1 x USB 3.2 Gen2 Type-C

External Ports

Usb4 Gen 3x2 External Type C
1
Usb 3 1 External Type C
1
Usb 3 1 External Type A
4
Usb 2 0 External Type A
4
Display Connectors
HDMI (1x), Display Port (1x), USB Type C (Display Port shared) (1x)

Fan Header

4 Pin Fan Connectors
7

Form Factor

Motherboard Formfactor
ATX

Graphics Support

Primary Gpu Interface
PCIe 5.0 (x16)
Nvidia Sli Support
Not Supported
Amd Crossfire Support
Not Supported
Integrated Graphics
Requires Processor Graphics or Discrete GPU
On Board Graphics Connectors
DisplayPort HDMI Thunderbolt 4

Internal Connectivity

Expansion Slots
1 x M.2, 22-42/60/80, PCIe Gen4x4 1 x M.2, 22-60/80/110 PCIe Gen 4x4 1 x M.2, 22-80, PCIe Gen5x4 2 x PCIe 4.0 x16 1 x PCIe 5.0 x16 4 x SATA 6GB/ s
Sata Support
SATA3
Raid Support Via
-
Storage Mode Support
RAID 0 (SATA only) RAID 1 (SATA only) RAID 10 (SATA only) RAID 5 (SATA only)
Internal I O
1 x 24-pin (Power) 1 x 4-pin CPU Fan Connector 2 x 8-pin (Power) 1 x 8-pin PCIe (Power) 3 x Addressable Gen 2 Header 1 x Chassis Intrusion connector 1 x CPU Water Pump/Fan Connector 1 x Front Panel Audio Header 2 x Front Panel Connector 2 x RGB LED connector 5 x System Fan header 1 x Thunderbolt AIC Connector 1 x TPM Header 4 x USB 2.0 Port 2 x USB 3.2 Gen1 Header 1 x USB 3.2 Gen2 Type-C Port

Internal Ports

Cpu Power Supply
2x 8-Pin
Usb 3 0 3 1 3 2 Internal Type C Header
1
Usb 3 0 3 1 3 2 Internal Type C Possible Ports
1
Usb 3 0 Internal Header
1
Usb 3 0 Internal Possible Ports
2
Usb 2 0 Internal Header
2
Usb 2 0 Internal Possible Ports
4
Rgb Led Connectors
2x RGB (4-Pin 5050 12VGRB), 3x Digital RGB (3-Pin 5VDG)
Spi Tpm Header
Yes

Lighting

Lighting Rgb
Yes
Lighting Colour
RGB

Memory

Max Memory
256 GB
Memory Type
DDR5
Memory Form Factor
DIMM
System Memory Subtype
UDIMM, CUDIMM
Max Memory Speed Standard
6400 MT/s
Max Memory Speed Oc
9200 MT/s
Eec Support
No
Memory Slots
4x
Performance Profile
Intel XMP 3.0

Motherboard

Motherboard Chipset
Intel B860

RAM Memory Support

Memory Channel
Dual (2)
Memory Type Ecc
Non-ECC
Memory Type R U
UDIMM (Unbuffered)
Memory Speed Mhz
DDR5 - 9200+(OC)
Max Memory Capacity
256GB

Storage Ports

M 2 Pcie 4 0 X4 Sata 6g
2
M 2 Pcie 5 0 X4
1
Sata 6g Internal
4

Water Cooling

Watercooling
Yes

Wi

Fi Lan Lan
Yes
Fi Lan Lan Ports
1x 5 Gbit/s
Fi Lan Lan Chip
Intel Killer E5000
Fi Lan Wi Fi Bluetooth
Yes
Fi Lan Wi Fi Standard
Wi-Fi 7
Fi Lan Bluetooth Standard
5.4
Fi Lan Wi Fi Chip
Intel Killer BE1750x

General

Audio
7.1 Channel HD Audio