The MSI MAG B850 TOMAHAWK MAX WIFI II is an ATX motherboard for desktop PC builders using an AMD Ryzen 9000, 8000 or 7000 series processor. Its AM5 socket and DDR5 support make it a suitable foundation for gaming systems and other performance-focused builds.

It combines a 14+2+1 Duet Rail Power System with 80A Smart Power Stages, an eight-layer PCB and extended heatsinks. For fast storage and expansion, it provides two PCIe 5.0 M.2 slots, two PCIe 4.0 M.2 slots and a PCIe 5.0 x16 slot. Wi-Fi 7 and 5G LAN provide high-speed wireless and wired networking, while the rear USB connections include Type-C ports.

Key features

  • AM5 socket supports AMD Ryzen 9000, 8000 and 7000 series desktop processors.
  • Four DDR5 memory slots support dual-channel memory and overclocking with AMD EXPO.
  • Four M.2 slots provide a mix of PCIe 5.0 and PCIe 4.0 storage connections.
  • A PCIe 5.0 x16 slot supports a compatible graphics card.
  • Wi-Fi 7 supports 2.4GHz, 5GHz and 6GHz bands, with a stated maximum speed of 5.8Gbps.
  • 5G LAN provides a wired networking option.
  • EZ M.2 Shield Frozr II, EZ M.2 Clip II and EZ PCIe Release help simplify component installation.
  • Clear CMOS and Flash BIOS buttons are provided on the rear I/O.

Compatibility

This is an ATX motherboard with an AMD AM5 socket and DDR5 memory support. The HDMI output is available only when the installed processor has integrated graphics. Good to know: the processor, memory, storage drives and graphics card are separate components and are not included with the motherboard.

In the box

  • MSI MAG B850 TOMAHAWK MAX WIFI II

Specifications

Specification Detail
Product type ATX motherboard
Part number MAG B850 TOMAHAWK MAX WIFI II
Chipset AMD B850
CPU socket Socket AM5
CPU support AMD Ryzen 9000 / 8000 / 7000 Series Desktop Processors
Memory 4x DDR5 UDIMM; maximum memory capacity 256GB
Memory speed DDR5 8400 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s
Expansion slots PCIe 5.0 x16, PCIe 4.0 x4, PCIe 3.0 x1
Storage 4x M.2; 4x SATA 6G
Networking Wi-Fi 7; 5G LAN; Bluetooth 5.4
USB Rear: 4x USB 2.0, 1x USB 5Gbps Type-A, 2x USB 10Gbps Type-A, 3x USB 10Gbps Type-C; front: 4x USB 2.0, 4x USB 5Gbps Type-A, 1x USB 20Gbps Type-C
Audio 7.1-channel USB High Performance Audio; S/PDIF output

With current-generation storage and networking options, this board gives a capable gaming or productivity build room to expand while keeping assembly and maintenance straightforward.

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