MSI

MSI MAG B850 TOMAHAWK MAX WIFI Gaming Desktop Motherboard - AMD B850 Chipset - Socket AM5 - ATX (magb850tomahawkmaxwifi)

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SKU:
21003984
MPN:
magb850tomahawkmaxwifi
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Usually ships the same or next business day.
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Stock Update:
12/19/2025 01:55:39 AM PST
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$266.50
Stock Update:
12/19/2025 01:55:39 AM PST

Description



This item is brand-new, factory sealed.

MAG B850 Tomahawk MAX WIFIMAG B850 TOMAHAWK MAX WIFI is designed for gamers with a stable, durable and DIY friendly foundation for their PC builds. Coming up with true Wi-Fi 7 solution, 5G LAN, USB 20Gbps, PCIe 5.0 solutions, Supplemental PCIe Power, and exclusive EZ DIY features, its ready for the battlefield of AMD Ryzen 9000 series processors.MAG MSI ARSENAL GAMING
MSIs mainstream MAG series epitomizes stability and durability and is built to withstand the most intense gaming sessions. The entire lineup features robust construction with metallic-like hardness and excellent heat dissipation, ensuring stability for all critical gaming components.
READY FOR AI PC
MSI motherboards are designed with advanced hardware and technology, well-supporting the demanding computing usage of gaming and AI. Moreover, we also introduce AI to MSI Center and BIOS, making everything more effortless than before.
AI Engine
provides several categories for you to sync the applications you want to perform and automatically optimizing them to create a comfortable environment.
AI LAN MANAGER
optimizes networking performance and minimizes latency, providing a seamless online experience.
Frozr AI Cooling
automatically adjusts fan duty to make sure the system stays in cool, stable and high performance.
AI Boost
is an MSI exclusive feature. It overclocks NPU to improve higher AI performance.
Chipset
AMD B850CPU
Supports AMD Ryzen 9000/ 8000/ 7000 Series Desktop Processors
Socket AM5Memory
4x DDR5 UDIMM, Maximum Memory Capacity 256GB
Memory Support DDR5 8400 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s
Ryzen 9000 Series Processors max. overclocking frequency:
1DPC 1R Max speed up to 8400+ 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 4800+ MT/s
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
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 products Support page or visit https://www.msi.com/support/.Onboard Graphics
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
3x PCI-E x16 slot
PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU)
PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset)
PCI_E3 Gen PCIe 4.0 supports up to x4 (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)
PCI_E3 slot will run at x2 speed when installing device in the M2_3 slot. You can switch PCI_E3 slot to x4 in the BIOS, but this will disable the M2_3 slotAudio
Realtek ALC4080 Codec
7.1-Channel USB High Performance Audio
Supports up to 32-bit/384kHz playback on front panel
Supports S/PDIF outputStorage
4x M.2
M.2_1 Source (From CPU) supports up to PCIe 5.0 x4 , supports 22110/2280 devices
M.2_2 Source (From CPU) supports up to PCIe 5.0 x4 , supports 2280/2260 devices
M.2_3 Source (From Chipset) supports up to PCIe 4.0 x2 , supports 2280/2260 devices
M.2_4 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 5.0 x4 (For Ryzen 9000/ 7000 Series processors)
Supports up to PCIe 4.0 x4 (For Ryzen 8700/ 8600/ 8400 Series processors)
Supports up to PCIe 4.0 x2 (For Ryzen 8500/ 8300 Series processors)
PCI_E3 slot will run at x2 speed when installing device in the M2_3 slot. You can switch PCI_E3 slot to x4 in the BIOS, but this will disable the M2_3 slot.
Please refer to the manual for M.2 SSD heatsink restrictionsRAID
Supports RAID 0, RAID 1 and RAID 10 for M.2 NVMe storage devicesUSB
4x USB 2.0 (Rear)
4x USB 2.0 (Front)
1x USB 5Gbps Type A (Rear)
4x USB 5Gbps Type A (Front)
2x USB 10Gbps Type A (Rear)
3x USB 10Gbps Type C (Rear)
1x USB 20Gbps Type C (Front)LAN
Realtek 8126VB 5G LANInternal IO
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)
3x Addressable V2 RGB LED connector (JARGB_V2)
1x RGB LED connector(JRGB)
1x TPM pin header(Support TPM 2.0)
4x USB 2.0 ports
4x USB 5Gbps Type A ports
1x USB 20Gbps Type C portsWIRELESS LAN AND BLUETOOTH
Wi-Fi 7 Solution
The Wireless module is pre-installed in the M.2 (Key-E) slot
Supports MU-MIMO TX/RX, 2.4GHz/ 5GHz/ 6GHz (320MHz) up to 5.8Gbps
Supports 802.11 a/ b/ g/ n/ ac/ ax/ be
Supports Bluetooth 5.4, MLO, 4KQAM
6GHz band support may depend on every countrys 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 vendors website for details. Bluetooth 5.4 will be ready in Windows 11 version 24H2.LED FEATURE
4x EZ Debug LED
1x EZ Memory Detection LEDBACK PANEL PORTS
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 10Gbps Type-C
USB 10Gbps Type-AOPERATING SYSTEM
Support for Windows 11 64-bitPCB Info
ATX
243.84mmx304.8mmItem Dimension (L"xW"xH")
14 x 11 x 3

Weight
4 lbs

Warranty Information
3 years

Features

Package Contents:   
  • MAG B850 TOMAHAWK MAX WIFI Gaming Desktop Motherboard
  • Quick Installation Guide
  • European Union Regulatory Notice
  • Shout-Out Flyer
  • 1 x SATA Cable
  • EZ M.2 Clips II
  • EZ M.2 Clip II Remover
  • Cable Sticker
  • EZ Wi-Fi Antenna
  • 1 to 3 EZ Conn-Cable (V2)
  • EZ Front Panel Cable

 

Specs

Physical Characteristics
Form FactorATX
Width12"
Depth9.6"
I/O Expansions
PCI Express Standard
Number of PCI Express x16 Slots3
Total Number of PCI Express Slots3
Memory
Memory TechnologyDDR5 SDRAM
Number of Memory Slots4
Memory Speed Supported
Memory Form Factor
Maximum Memory Supported256 GB
General Information
Brand NameMSI
Manufacturer Website Addresshttp://www.msi.com
Marketing InformationMAG B850 TOMAHAWK MAX WIFI
MAG B850 TOMAHAWK MAX WIFI is designed for gamers with a stable, durable and DIY friendly foundation for their PC builds. Coming up with true Wi-Fi 7 solution, 5G LAN, USB 20Gbps, PCIe 5.0 solutions, Supplemental PCIe Power, and exclusive EZ DIY features, it's ready for the battlefield of AMD Ryzen™ 9000 series processors.
MAG MSI ARSENAL GAMING
MSI's mainstream MAG series epitomizes stability and durability and is built to withstand the most intense gaming sessions. The entire lineup features robust construction with metallic-like hardness and excellent heat dissipation, ensuring stability for all critical gaming components.
READY FOR Ai PC
MSI motherboards are designed with advanced hardware and technology, well-supporting the demanding computing usage of gaming and AI. Moreover, we also introduce AI to MSI Center and BIOS, making everything more effortless than before.
Al Engine
provides several categories for you to sync the applications you want to perform and automatically optimizing them to create a comfortable environment.
AI LAN MANAGER
optimizes networking performance and minimizes latency, providing a seamless online experience.
Frozr Al Cooling
automatically adjusts fan duty to make sure the system stays in cool, stable and high performance.
Al Boost
is an MSI exclusive feature. It overclocks NPU to improve higher Al performance.
Product TypeGaming Desktop Motherboard
Product NameMAG B850 TOMAHAWK MAX WIFI Gaming Desktop Motherboard
ManufacturerMSI
Manufacturer Part NumberB850TMAHAWKWIFIMAX
Product ModelB850 TOMAHAWK MAX WIFI
Product LineMAG
Processor & Chipset
Chipset ManufacturerAMD
Processor Supported
Processor SocketSocket AM5
Chipset ModelB850
Technical Information
AI-poweredYes
Onboard Interfaces
Number of SATA Interfaces4
Total Number of Onboard USB Ports9
Number of M.2 Interfaces4
Number of Onboard USB 2.0 Ports4
Interfaces/Ports
S/PDIFYes
HDMI Version<li>2.1</li>
HDMIYes
Number of USB 2.0 Ports4
Total Number of USB Ports10
Number of Network (RJ-45) Ports1
I/O Controller
RAID SupportedYes
Controller TypeSerial ATA/600
RAID Levels
Video
Onboard VideoCPU Dependent Video
Network & Communication
Wireless LANYes
Wireless LAN StandardIEEE 802.11 a/b/g/n/ac/ax/be
BluetoothYes
Bluetooth StandardBluetooth 5.4
Audio
Audio Channels7.1

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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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MSI MAG B850 TOMAHAWK MAX WIFI Gaming Desktop Motherboard - AMD B850 Chipset - Socket AM5 - ATX (magb850tomahawkmaxwifi)
$266.50