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
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
Best indexed price
£183.99GBP
Indexed 25 May 2026 — verify at retailer
