MSI MAG B850 TOMAHAWK MAX WIFI II
MSI MAG B850 TOMAHAWK MAX WIFI II
The MSI MAG B850 TOMAHAWK MAX WIFI II motherboard provides a stable foundation for building a high-performance PC with AMD Ryzen 9000, 8000, and 7000 series processors. The model features the AM5 socket and AMD B850 chipset, which together form an advanced platform for demanding gaming rigs and workstations. The ATX form factor measuring 304.8×243.84mm offers plenty of space for installing expansion cards and a clear layout of all internal components inside the PC case.
AMD B850
Chipset
AMD AM5
Socket
ATX
Form factor
DDR5
Memory type
4×
Number of RAM slotsKey features of the MSI MAG B850 TOMAHAWK MAX WIFI II motherboard
- Four DDR5 slots supporting up to 256GB of RAM
- PCIe 5.0 x16 slot with Steel Armor II metal reinforcement increases resistance against bending
- Four M.2 NVMe slots and four SATA III connectors with RAID support
- 5G LAN network card and Wi-Fi 7 wireless module with Bluetooth 5.4 handle fast network connections
- Powerful 14+2+1 phase power delivery system with 80A Smart Power Stage
- EZ DIY assembly system with tool-free mounting and diagnostic LEDs
Stable power delivery for modern processors
The power delivery system consists of a 14+2+1 phase Duet Rail Power configuration with an 80A Smart Power Stage, which ensures a smooth flow of power even under heavy CPU loads. The board uses two 8-pin CPU power connectors and an 8-layer PCB with two ounces of copper. The integrated OC Engine chip allows independent control of the BCLK base frequency without affecting other parts of the system, increasing stability during performance tuning.
Efficient heat dissipation
The Frozr Guard cooling system relies on massive metal Extended Heatsinks that cover the VRM and efficiently dissipate heat. The manufacturer has equipped the board with high-quality 7W/mK MOSFET thermal pads and additional choke pads. Passive EZ M.2 Shield Frozr II heatsinks protect the storage, preventing SSD throttling due to overheating during long gaming sessions.
Fast DDR5 RAM
The MSI MAG B850 TOMAHAWK MAX WIFI II motherboard offers four slots for DDR5 RAM with a maximum total capacity of 256GB in dual-channel configuration. Support for AMD EXPO profiles simplifies setting optimal parameters and achieving speeds up to 8400+ MT/s when overclocked. Memory Boost technology and High-Efficiency Mode significantly reduce memory latency and increase overall system throughput.
Modern interfaces, fast data storage and wide connectivity
The main PCI Express 5.0 x16 slot with Steel Armor II metal reinforcement resists bending and prepares the system for modern graphics cards. The board fully utilises the native CPU lanes, allowing independent operation of the Gen 5 x16 slot and two Gen 5 M.2 slots. This optimisation prevents bandwidth conflicts, letting both the graphics card and SSD run at full speed simultaneously. Four M.2 slots serve hard drives and SSDs, two of which support the PCIe 5.0 x4 interface with speeds up to 128Gb/s. The rear panel features a diverse selection of USB ports, including a 10Gb/s USB-C port and a 20Gb/s internal USB-C connector.
Advanced network connectivity and clean sound
A Realtek 8126VB 5G LAN controller manages the wired network connection, while the Wi-Fi 7 wireless module comes with Bluetooth 5.4 for easy peripheral pairing. Audio processing is handled by a Realtek ALC4080 chip with support for 7.1-channel output and an optical S/PDIF port. The audio section uses an isolated analogue structure with independent circuitry, suppressing electromagnetic interference and producing clean sound.
Ports and connectors
Storage
- SATA III ports: 4
- M.2 slots: 4
- M.2 slot – 2× PCIe 5.0 x4
- M.2 slot – 1× PCIe 4.0 x4
- M.2 slot – 1× PCIe 4.0 x2
- RAID support: RAID 0, RAID 1, RAID 10
USB ports
- Internal USB 2.0: 2 (2 headers)
- Internal USB 3.2 Gen 1 (Type-A): 1 (1 header)
- Internal USB 3.2 Gen 2×2 (Type-C): 1 (1 header)
- Rear USB 2.0 (Type-A): 4
- Rear USB 3.2 Gen 1 (Type-A): 1
- Rear USB 3.2 Gen 2 (Type-A): 2
- Rear USB 3.2 Gen 2 (Type-C): 3
Graphics
- HDMI 2.1 FRL
Audio
- Number of channels: 7.1
- Audio connectors: 2×3.5mm jack
- 1× optical S/PDIF output
Other
- Rear: RJ-45 (LAN) 5Gbps, Wi-Fi 7, Bluetooth 5.4, Clear CMOS button, Flash BIOS button
- Power supply: 24-pin ATX, 2× CPU power connector, 1× 8-pin PCIe
- Cooling: number of PWM FAN (4-pin) – 7 (1× CPU Fan, 6× System Fan), combined connector for pump and system fan – 1
- Internal: 1× EZ Conn (JAF_2), 2× Front Panel (JFP), 1× Chassis Intrusion (JCI), 1× Front Audio (JAUD), 3× Addressable V2 RGB LED (JARGB_V2), 1× RGB LED (JRGB), 1× TPM 2.0 header, 2× Direct OC Jumper (JBCLK),
Choosing a motherboard
When choosing a motherboard, it is important to pay close attention to the socket type, form factor and chipset. These parameters are among the most crucial and ensure compatibility between your board and the processor, expansion cards and other components. The specific socket determines which processor you can use, while the remaining connectors dictate the other components you need to select for your future PC.Specifications
Socket and chipset
Format & functions
Memory
Advanced parameters
Connectors
Compatibility
Colour
Micro-Star International Co Ltd. C/O MSI Computer Europe BV, Science Park Eindhoven 5706, 5692 ER, Son, Netherlands, [email protected]
The Taiwanese company MSI (Micro-Star International) has earned a solid place in the world of IT, mainly producing motherboards for desktop computers. However, it also produces high quality graphics cards, barebone computers, notebook computers, networking products, servers, and many other computer components. MSI products support the latest technologies and provide the performance necessary for all applications. Recently, the company has begun making a name for itself in the growing segment of gaming notebooks.
This product is not an independently functional unit and may require professional installation.
Specifications can be changed without notice. Images are for illustrative purposes only.
