MSI MAG B850 Tomahawk Max Wi-Fi II ATX Motherboard AM5 DDR5

The MSI MAG B850 Tomahawk Max Wi-Fi II is an ATX motherboard for AMD Ryzen 9000, 8000, and 7000 Series processors on the AM5 platform. Built on the AMD B850 chipset, it features four M.2 slots including two PCIe Gen5 x4, Realtek 5GbE LAN, Wi-Fi 7 with 320MHz bandwidth, and Realtek ALC4080 USB audio, with EZ M.2 Shield Frozr II and EZ M.2 Clip II for tool-free storage installation.

UK-based seller
Tracked delivery across the UK
Genuine product sourced through established UK suppliers and distribution partners

Key Features

• Socket AM5 — compatible with AMD Ryzen 9000, 8000 and 7000 Series processors
• AMD B850 chipset
• ATX form factor, 304.8 x 243.84 mm
• 4 x DDR5 DIMM slots, Dual Channel, Non-ECC, up to 256GB, DDR5-8400+ (OC)
• PCIe 5.0 x16 primary slot (from CPU), plus PCIe 4.0 x4 and PCIe 3.0 x1 slots
• 4 x M.2 slots: 2 x PCIe Gen5 x4 (CPU), 1 x PCIe Gen4 x2 (Chipset), 1 x PCIe Gen4 x4 (Chipset) — EZ M.2 Clip II
• 4 x SATA 6Gb/s ports
• Realtek 8126VB 5GbE LAN (100/1000/2500/5000 Mbps)
• Wi-Fi 7 (802.11be), 2.4/5/6GHz, 320MHz, up to 5.8Gbps, with Bluetooth 5.4
• Realtek ALC4080 7.1-Channel USB High Performance Audio

Product Overview

The MAG B850 Tomahawk Max Wi-Fi II is a feature-rich B850 motherboard for AM5 builds. Four M.2 slots — including two PCIe Gen5 x4 from the CPU — provide extensive high-speed storage options, and EZ M.2 Shield Frozr II with EZ M.2 Clip II enables tool-free drive installation and removal. RAID 0, 1, and 10 are supported for M.2 NVMe devices. Realtek 5GbE LAN and Wi-Fi 7 with 320MHz bandwidth deliver fast wired and wireless connectivity. The 14+2+1 Duet Rail Power System with dual 8-pin EPS connectors and 80A SPS supports demanding processors, and EZ Debug LED and EZ Memory Detection LED simplify troubleshooting.

Delivery & Fulfilment

This product is sold by TechFinder UK, a UK-based sole trader business. All hardware is sourced through established UK suppliers and distribution partners. Customers can typically expect to receive their order within 3–5 business days from the date the order is placed, with free tracked delivery across the United Kingdom.

Why Buy from TechFinder UK?

• UK-based sole trader — genuine products, real accountability
• Sourced through established UK suppliers and distribution partners
• Secure checkout
• Free tracked UK delivery — typically 3–5 business days from the date the order is placed
• Pre- and post-purchase support available

Technical Specifications

• Socket: AM5
• Compatible Processors: AMD Ryzen 9000, 8000 and 7000 Series
• Chipset: AMD B850
• Form Factor: ATX
• Dimensions: 304.8 x 243.84 mm
• Memory Type: DDR5, Dual Channel, Non-ECC, Unbuffered (UDIMM); CUDIMM supported (Clock Driver bypass mode only)
• Memory Slots: 4 x 288-pin DIMM (double-sided latches)
• Max Memory: 256GB
• Memory Speed: Up to DDR5-8400+ (OC) / DDR5-4800–5600 (JEDEC)
• PCIe Slots: 1 x PCIe 5.0 x16 (CPU), 1 x PCIe 4.0 x4 (Chipset), 1 x PCIe 3.0 x1 (Chipset)
• M.2 Slots: M2_1 — PCIe Gen5 x4 (CPU, 22110/2280); M2_2 — PCIe Gen5 x4 (CPU, 2280/2260); M2_3 — PCIe Gen4 x2 (Chipset, 2280/2260); M2_4 — PCIe Gen4 x4 (Chipset, 2280/2260) — EZ M.2 Clip II
• SATA: 4 x SATA 6Gb/s
• RAID: 0, 1, 10 (M.2 NVMe)
• LAN: Realtek 8126VB 5GbE (100/1000/2500/5000 Mbps)
• Wireless: Wi-Fi 7 (802.11a/b/g/n/ac/ax/be), 2.4/5/6GHz, 320MHz, up to 5.8Gbps
• Bluetooth: 5.4
• Audio: Realtek ALC4080 7.1-Channel USB High Performance Audio, up to 32-bit/384kHz, S/PDIF-Out (Optical)
• Onboard Graphics Output: 1 x HDMI 2.1 (max 8K 60Hz — requires CPU with integrated graphics)
• Rear I/O: 4 x USB 2.0, 1 x USB 5Gbps Type-A, 2 x USB 10Gbps Type-A, 3 x USB 10Gbps Type-C, 1 x HDMI 2.1, 1 x RJ-45 (5GbE), Audio jacks, 1 x S/PDIF-Out, Flash BIOS button, Clear CMOS button, 2 x Wi-Fi antenna connectors
• Internal Headers: 4 x USB 2.0, 4 x USB 5Gbps Type-A, 1 x USB 20Gbps Type-C, 3 x ARGB V2, 1 x RGB LED, 1 x ARGB+FAN+USB2.0 (JAF_2), 6 x System Fan, 1 x CPU Fan, 1 x PUMP_SYS Fan, 1 x Front Panel Audio, 2 x Front Panel, 1 x Chassis Intrusion, 1 x TPM 2.0, 2 x BCLK Frequency Jumpers
• Power Connectors: 1 x 24-pin ATX, 2 x 8-pin EPS, 1 x 8-pin PCIe
• LED: 4 x EZ Debug LED, 1 x EZ Memory Detection LED
• Net Weight: 1.78 kg
• Gross Weight: 2.07 kg
• Package Dimensions: 34 x 27 x 7 cm
• Warranty: 3 Years MSI Manufacturer Warranty
• Package Contents: Motherboard, EZ Wi-Fi antenna, 1 x SATA cable, EZ M.2 Clips II, EZ M.2 Clip II remover, 1-to-3 EZ Conn cable, Cable sticker, Quick installation guide

Product Identification

Model: MAG B850 Tomahawk Max Wi-Fi II
MPN: MAG B850 TOMAHAWK MAX WIFI II
EAN: 4711377424011