MSI 

MSI MAGB850TOMAHAWKMAXII MAG B850 TOMAHAWK MAX WIFI II ATX AM5 DDR5 MOTHERBOARD

Mfg Part Number:  MAGB850TOMAHAWKMAXII  
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Price: $320.88
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Last Updated: Jun 27, 2026
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MAG B850 TOMAHAWK MAX WIFI II

MAG B850 TOMAHAWK MAX WIFI II is designed for gamers with a stable, durable and DIY friendly foundation for their PC builds. Coming up with the latest 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.3

Main Specification
General Information
Manufacturer MSI
Manufacturer Part Number MAGB850TOMAHAWKMAXII
Manufacturer Website Address http://www.msi.com
Brand Name MSI
Product Line MAG
Product Model B850 TOMAHAWK MAX WIFI II
Product Name MAG B850 TOMAHAWK MAX WIFI II Gaming Desktop Motherboard
Product Type Gaming Desktop Motherboard
Technical Information
AI-powered Yes
Processor & Chipset
Chipset Manufacturer AMD
Chipset Model B850
Total Processor Supported 1
Processor Socket Socket AM5
Processor Supported Ryzen 9
Processor Supported Ryzen 7
Memory
Number of Memory Slots 4
Memory Form Factor DIMM
Memory Form Factor CUDIMM
Memory Form Factor UDIMM
Maximum Memory Supported 256 GB
Memory Technology DDR5 SDRAM
Memory Speed Supported 8400 MHz
Memory Speed Supported 6400 MHz
Memory Speed Supported 5600 MHz
Memory Speed Supported 4800 MHz
I/O Controller
Controller Type Serial ATA/600
RAID Supported Yes
RAID Levels 1
RAID Levels 10
RAID Levels 0
Video
Onboard Video CPU Dependent Video
Audio
Audio Channels 7.1
Network & Communication
Bluetooth Yes
Bluetooth Standard Bluetooth 5.4
Gigabit Ethernet Yes
2.5Gigabit Ethernet Yes
Wireless LAN Yes
Wireless LAN Standard IEEE 802.11 a/b/g/n/ac/ax/be
I/O Expansions
Total Number of Expansion Slots 3
PCI Express Standard PCI Express 5.0
PCI Express Standard PCI Express 4.0
PCI Express Standard PCI Express 3.0
Total Number of PCI Express Slots 3
Number of PCI Express x1 Slots 1
Number of PCI Express x4 Slots 1
Number of PCI Express x16 Slots 1
Interfaces/Ports
Total Number of USB Ports 10
Number of USB 2.0 Ports 4
S/PDIF Yes
HDMI Yes
HDMI Version

2.1

Number of Network (RJ-45) Ports 1
Onboard Interfaces
Number of SATA Interfaces 4
Number of M.2 Interfaces 4
Total Number of Onboard USB Ports 9
Number of Onboard USB 2.0 Ports 4
Physical Characteristics
Form Factor ATX
Width 12"
Depth 9.6"
Miscellaneous
Package Contents
  • MAG B850 TOMAHAWK MAX WIFI II Gaming Desktop Motherboard
  • Quick Installation Guide
  • European Union Regulatory Notice
  • 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)
Compatibility
  • Socket: AM5.
  • Processors: Supports AMD Ryzen 9000/8000/7000 Series desktop processors.
  • Chipset: AMD B850.
  • Type: DDR5 (4 DIMM slots).
  • Capacity: Up to 256GB.
  • Speed: Supports over 8200+ MT/s via OC.
  • M.2 Slots: Features multiple M.2 slots (supports up to PCIe 5.0 x4 for Gen 5 storage and Gen 4 for others).
  • PCIe Slots: 1x PCIe 5.0 x16, 1x PCIe 4.0 x4, 1x PCIe 3.0 x1.
  • SATA: 4x SATA 6Gbps ports
  • Networking: Wi-Fi 7 and 5G LAN.
  • USB: Rear Type-C (up to 10Gbps) and Front Type-C (up to 20Gbps).
  • Audio: 8-Channel (7.1) HD Audio with Audio Boost 5.
Brand Compatibility AMD
Warranty
Limited Warranty 3 Year
Additional Warranty Information

MSI motherboards purchased by end users will have a warranty period of 3 years (36 months) that covers damage due to regular usage but not physical damage caused to the motherboard. The warranty period will begin on the date of purchase the end user made from an authorized retailer if an invoice is provided as a proof of purchase. If the end user is unable to provide the invoice, then the warranty period will begin based off that product's manufactured date

WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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