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Product Overview

The MSI MAG B860 TOMAHAWK WIFI is an ATX motherboard built on the Intel B860 chipset for LGA 1851 Core Ultra (Arrow Lake) processors. It stands out with a PCIe 5.0 x16 slot, three M.2 slots (one PCIe Gen 5.0, two Gen 4.0), a Thunderbolt 4 port with DisplayPort 2.1 and UHBR20 support, and 5 Gigabit LAN alongside Wi-Fi 7 and Bluetooth 5.4.

With four DDR5 slots supporting up to 256 GB (DDR5-9200 OC), four SATA ports and a full set of USB connections, this board suits gaming and general-purpose builds around Intel Core Ultra 3, 5, 7 and 9 CPUs. It measures 243.84 x 304.8 mm. Note that a BIOS update may be needed to support the newest processor models, and the video outputs only work with a CPU that has integrated graphics.

Specification

• Manufacturer: MSI
• Model: MAG B860 TOMAHAWK WIFI
• MPN: 7E39-001R
• EAN: 47113772796420
• CPU socket: LGA 1851
• Chipset: Intel B860
• Form factor: ATX
• Memory: 4x DDR5 DIMM, dual channel, up to 256 GB
• Memory speed: DDR5-9200 to 6400 (OC), 6400 to 4800 (JEDEC)
• PCIe slots: 1x PCIe 5.0 x16, 1x PCIe 4.0 x16 (x4 lanes), 1x PCIe x1
• M.2 slots: 3 (1x PCIe Gen 5.0, 2x PCIe Gen 4.0), 42-110 mm
• SATA ports: 4
• LAN: Intel Killer E5000B 5 Gigabit Ethernet
• Wireless: Intel Killer Wi-Fi 7 (BE1750x), Bluetooth 5.4
• Rear USB: 1x Thunderbolt 4 USB-C, 1x USB-C 10 Gbit/s, 4x USB-A 10 Gbit/s, 4x USB-A 2.0
• Video outputs: 1x HDMI, 1x DisplayPort (iGPU CPUs only)
• Audio: Realtek ALC897, 8-channel
• RGB headers: 2x RGB, 3x addressable RGB
• Dimensions (W x H): 243.84 x 304.8 mm

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