Motherboards

MSI MAG B850 TOMAHAWK WIFI

Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors
Supports DDR5 Memory, Dual Channel DDR5 8200+ MT/s (OC)
Ultra Performance: 14+2+1 Duet Rail Power System, dual 8-pin CPU power connectors, Core Boost, Memory Boost, 8-layer PCB made by 2oz thickened copper and server-grade level material
EZ DIY: EZ M.2 Shield Frozr II, EZ M.2 Clip II, EZ PCIe Release and EZ Antenna
Lightning Fast Game experience: PCIe 5.0 slot, Lightning Gen 5 x4 M.2, Front USB Type-C
Audio Boost 5: Reward your ears with studio-grade sound quality for the most immersive gaming experience

Category: Motherboards Brand: MSI

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Specification	Details
Chipset	AMD B850
CPU	Supports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processors Socket AM5
Memory
Configuration	4x DDR5 UDIMM, Maximum Memory Capacity 256GB
Memory Support	DDR5 8200 – 5600 (OC) MT/s / 5600 – 4800 (JEDEC) MT/s
Ryzen™ 9000 Series Processors max. overclocking frequency	– 1DPC 1R Max speed up to 8200+ MT/s – 1DPC 2R Max speed up to 6400+ MT/s – 2DPC 1R Max speed up to 6400+ MT/s – 2DPC 2R Max speed up to 6000+ MT/s
Features	Supports AMD POR Speed and JEDEC Speed Supports Memory Overclocking and AMD EXPO™ Supports Dual-Channel mode Supports Non-ECC, Un-buffered memory Supports CUDIMM, Clock Driver bypass mode only*
Note	* CUDIMM support and POR boot frequency may vary by CPU series, with manual overclocking available after boot. Certain CPUs may fail to boot, but future BIOS updates will improve compatibility. – The DIMM slots on this motherboard have double-sided latches. – Memory compatibility and supported speeds can vary depending on the CPU and memory configuration. For detailed information, please refer to the Memory Compatibility List available on the product’s Support page or visit https://www.msi.com/support/.
Onboard Graphics
Ports	1x HDMI™ Support HDMI™ 2.1 FRL, maximum resolution of 8K 60Hz* *Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.
Slot
Configuration	2x PCI-E x16 slot 1x PCI-E x1 slot PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU) PCI_E2 Gen PCIe 4.0 supports up to x4 (From Chipset) PCI_E3 Gen PCIe 3.0 supports up to x1 (From Chipset)
PCI_E1 slot	– Supports PCIe 5.0 x16 (For Ryzen™ 9000/ 7000 Series processors) – Supports PCIe 4.0 x8 (For Ryzen™ 8700/ 8600/ 8400 Series processors) – Supports PCIe 4.0 x4 (For Ryzen™ 8500/ 8300 Series processor)
Audio
Configuration	Realtek® ALC4080 Codec 7.1-Channel USB High Performance Audio Supports up to 32-bit/384kHz playback on front panel Supports S/PDIF output
Storage
Configuration	3x M.2 M.2_1 Source (From CPU) supports up to PCIe 5.0 x4 , supports 2280/2260 devices M.2_2 Source (From CPU) supports up to PCIe 4.0 x4 , supports 22110/2280/2260 devices M.2_3 Source (From Chipset) supports up to PCIe 4.0 x4 , supports 2280/2260 devices 4x SATA 6G
M2_1 slot	– Supports up to PCIe 5.0 x4 (For Ryzen™ 9000/ 7000 Series processors) – Supports up to PCIe 4.0 x4 (For Ryzen™ 8000 Series processors)
M2_2 slot	– Supports up to PCIe 4.0 x4 (For Ryzen™ 9000/ 8700/ 8600/ 8400/ 7000 Series processors) – Supports up to PCIe 4.0 x2 (For Ryzen™ 8500/ 8300 Series processors)
M2_3 slot	– Supports up to PCIe 4.0 x4 (For Ryzen™ 9000/ 8700/ 8600/ 8400/ 7000 Series processors)
Note	* Please refer to the manual for M.2 SSD heatsink restrictions
Multi-GPU
Support	AMD MULTI-GPU Support
RAID
Support	Supports RAID 0 and RAID 1 for M.2 NVMe storage devices
USB
Configuration	4x USB 2.0 (Rear) 4x USB 2.0 (Front) 2x USB 5Gbps Type A (Rear) 2x USB 5Gbps Type A (Front) 2x USB 10Gbps Type A (Rear) 1x USB 10Gbps Type C (Rear) 1x USB 10Gbps Type C (Front) 1x USB 20Gbps Type C (Rear)
LAN
Ports	Realtek® 8126VB 5G LAN
Internal IO
Connectors	1x Power Connector(ATX_PWR) 2x Power Connector(CPU_PWR) 1x Power Connector(PCIE_PWR 8pin) 1x CPU Fan 1x Combo Fan (Pump_Sys Fan) 6x System Fan 1x EZ Conn-header (JAF_2) 2x Front Panel (JFP) 1x Chassis Intrusion (JCI) 1x Front Audio (JAUD) 1x Tuning Controller connector(JDASH) 3x Addressable V2 RGB LED connector (JARGB_V2) 1x RGB LED connector(JRGB) 1x TPM pin header(Support TPM 2.0) 2x Direct OC Jumper (JBCLK) 4x USB 2.0 ports 2x USB 5Gbps Type A ports 1x USB 10Gbps Type C ports
WIRELESS LAN & BLUETOOTH
Chipset	Wi-Fi 7 Solution
Installation	The Wireless module is pre-installed in the M.2 (Key-E) slot
Performance	Supports MU-MIMO TX/RX, 2.4GHz/ 5GHz/ 6GHz* (160MHz) up to 2.9Gbps Supports 802.11 a/ b/ g/ n/ ac/ ax/ be Supports Bluetooth® 5.4**, MLO, 4KQAM
Notes	* 6GHz band support may depend on every country’s regulations and Wi-Fi 7 will be ready in Windows 11 version 24H2. ** The Bluetooth version may be updated, please refer to the Wi-Fi chipset vendor’s website for details. Bluetooth 5.4 will be ready in Windows 11 version 24H2.
LED FEATURE
Indicators	4x EZ Debug LED 1x EZ Memory Detection LED
Back Panel Ports
Configuration	Clear CMOS Button USB 10Gbps Type-A USB 5Gbps Type-A USB 2.0 5G LAN Wi-Fi / Bluetooth Audio Connectors Flash BIOS Button HDMI™ USB 10Gbps Type-C USB 20Gbps Type-C USB 10Gbps Type-A Optical S/PDIF Out
Operating System
Support	Support for Windows® 11 64-bit
Box Content
INCLUDES
PCB INFO
	ATX 243.84mmx304.8mm

Overview

MSI MAG B850 TOMAHAWK MAX WIFI

The MSI MAG B850 TOMAHAWK MAX WIFI is a feature-rich ATX motherboard built for gamers and creators who want a high-performance, future-proof platform on the AMD AM5 socket. Based on the AMD B850 chipset, it supports Ryzen 7000, 8000, and 9000 series desktop processors, offering strong compatibility and longevity.

Engineered with a 14+2+1 “Duet Rail” power phase design with high-current Smart Power Stages, the board delivers stable and efficient power delivery for modern CPUs—even under heavy loads or when overclocking. The extended VRM heatsinks, high-conductivity thermal pads, and “M.2 Shield FROZR II” cooling keep your components cool and performant.

With support for up to 256 GB of DDR5 memory across four DIMMs and memory-overclocking capability up to 8400+ MT/s (OC), you’ll experience ultra-fast responsiveness for the most demanding multitasking or content-creation workflows. Expansion is robust: features include a PCIe 5.0 x16 slot for next-gen graphics, multiple M.2 slots (including PCIe 5.0 x4 support) and SATA ports for a full spectrum of storage options.

Connectivity is next-level: built-in Wi-Fi 7 and Bluetooth 5.4 provide ultra-fast wireless performance, and a 5 Gb LAN port ensures wired stability. USB connectivity is strong, with multi-Gbps ports including USB-C for modern peripherals. The layout also includes user-friendly conveniences like EZ PCIe release for easy GPU insertion/removal and onboard diagnostic tools for faster troubleshooting.

The MAG series design brings a clean, modern aesthetic with rugged styling, minimal RGB lighting controlled via MSI Mystic Light, and a well-organized layout aimed at DIY builders. With this board, you get MSI’s balanced mix of performance, cooling, connectivity, and usability — ideal for creating a powerful gaming machine or a serious creative workstation.

Key Features:

Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors
Supports DDR5 Memory, Dual Channel DDR5 8200+ MT/s (OC)
Ultra Performance: 14+2+1 Duet Rail Power System, dual 8-pin CPU power connectors, Core Boost, Memory Boost, 6-layer PCB made by 2oz thickened copper and server-grade level material
Frozr Guard: Extended Heatsink, MOSFET thermal pads rated for 7W/mK, additional choke thermal pads and EZ M.2 Shield Frozr II are built for high performance system and non-stop experience
EZ DIY: EZ M.2 Shield Frozr II, EZ M.2 Clip II, EZ PCIe Release and EZ Antenna
Lightning Fast Game experience: PCIe 5.0 slot, Lightning Gen 5 x4 M.2, Front USB Type-C
5G LAN with Wi-Fi 7 Solution: the latest solution for professional and multimedia use, delivering secure, stable, and high-speed networking and data transmission
Audio Boost 5: Reward your ears with studio-grade sound quality for the most immersive gaming experience