MSI MAG B850 TOMAHAWK MAX WIFI II motherboard
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About This Item
- ATX motherboard with AMD B850 chipset for AMD Ryzen 7000/8000/9000 series processors
- 4 M.2 slots supporting PCIe 5.0 and PCIe 4.0 for ultra-fast NVMe storage
- DDR5 memory support up to 256 GB with dual-channel configuration and 8400 MHz speeds
- Wi-Fi 7 and 5G LAN for high-speed wireless and wired connectivity
- Enhanced VRM with 14+2+1 power phases and 80A Smart Power Stage for stable performance
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MSI MAG B850 TOMAHAWK MAX WIFI II | AMD B850 Socket AM5 ATX Motherboard
The MSI MAG B850 TOMAHAWK MAX WIFI II motherboard AMD B850 Socket AM5 ATX is engineered for gamers and PC builders seeking a stable, durable, and DIY-friendly foundation for their AMD Ryzen 9000 series systems. Packed with the latest Wi-Fi 7, 5G LAN, USB 20Gbps, PCIe 5.0, and exclusive EZ DIY features, this ATX motherboard delivers exceptional performance and reliability for demanding applications.
Slim Specs Table
| Metric | Spec |
|---|---|
| Processor Socket | Socket AM5 |
| Memory Support | DDR5-SDRAM, up to 256 GB |
| PCIe Slots | 1 x PCIe 5.0 x16, 1 x PCIe 4.0 x16 |
| M.2 Slots | 4 (3 x PCIe 5.0/4.0, 1 x PCIe 4.0) |
| Wi-Fi Standard | Wi-Fi 7 (802.11be) |
| Ethernet | 5 Gigabit Ethernet |
Robust Power Delivery for Demanding CPUs
The MAG B850 TOMAHAWK MAX WIFI II features a flagship VRM design with 14+2+1 digital power phases, dual power connectors, and 80A Smart Power Stage. This robust power delivery system ensures stable performance even under heavy multi-core workloads, making it ideal for high-end AMD Ryzen processors. The solid pin design on power connectors further enhances reliability when handling high current loads.
Advanced Cooling for Sustained Performance
Extended heatsinks and the Z M.2 Shield Frozr II provide superior heat dissipation, keeping critical components cool during intense gaming sessions. High-quality 7W/mK thermal pads and additional choke pads ensure stable performance when all cores are running at high speed. The enlarged chipset heatsink reduces dust and noise while maintaining high efficiency, and the strategically positioned pin-header locations allow seamless integration with MSI coolers and cases.
Lightning-Fast Connectivity and Storage
With PCIe 5.0 lanes fully utilized and optimized lane bifurcation, this motherboard eliminates bandwidth conflicts between GPUs and SSDs. The Lightning Gen 5 PCIe slot offers up to 128GB/s bandwidth, while dual Gen 5 M.2 connectors provide ultra-fast storage options. Wi-Fi 7 delivers the latest wireless speeds, complemented by 5G LAN and Bluetooth 5.4 for comprehensive connectivity. MSI AI LAN Manager prioritizes latency-sensitive applications for the best online gaming experience.
User-Friendly DIY Features
MSI’s EZ DIY features make building your PC straightforward and hassle-free. The pre-installed I/O shield ensures proper alignment and secure fit without manual adjustment. MSI EZ Antenna simplifies installation with fastener attachment, and onboard LEDs help troubleshoot issues by indicating the source of problems. The CLICK BIOS X offers an intuitive interface for system configuration, while MSI Center unifies all software utilities into a single application.
Box contents
- MSI MAG B850 TOMAHAWK MAX WIFI II motherboard
- I/O shield
- User manual
- Driver/software support DVD
- M.2 screws
- Wi-Fi antenna
Check before you buy
- Confirm your CPU is compatible with Socket AM5 (AMD Ryzen 7000/8000/9000 Series)
- Verify your case supports ATX form factor (243.8 x 304.8 mm)
- Check if you need additional cooling for high-performance CPUs
- Ensure your power supply has adequate PCIe and CPU power connectors
Frequently Asked Questions
Q: Does this motherboard support DDR4 memory?
A: No, it only supports DDR5-SDRAM memory modules.
Q: How many graphics cards can I install?
A: You can install one graphics card using the PCIe 5.0 x16 slot.
Q: Is Wi-Fi included or do I need a separate adapter?
A: Wi-Fi 7 is built-in, so no separate adapter is required.
Q: Can I use this with an Intel processor?
A: No, this motherboard is designed exclusively for AMD Socket AM5 processors.
Q: What type of BIOS does it use?
A: It uses UEFI AMI BIOS with a 256 Mbit ROM capacity.
The Consultant’s verdict & warranty
The MSI MAG B850 TOMAHAWK MAX WIFI II motherboard AMD B850 Socket AM5 ATX represents excellent value for gamers and enthusiasts building AMD Ryzen 9000 series systems. Its combination of robust power delivery, advanced cooling, cutting-edge connectivity, and user-friendly features makes it a reliable choice for both first-time builders and experienced PC enthusiasts. Covered by the standard Manufacturer Warranty.
| Internal I/O | |
|---|---|
| Number of M.2 (M) slots | 4 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 1 |
| Total number of SATA connectors | 4 |
| Supported storage drive interfaces | M.2, Micro SATA III |
| USB 2.0 connectors | 4 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 4 |
| Number of SATA III connectors | 4 |
| CPU fan connector | Yes |
| RGB LED pin header | Yes |
| Number of CPU fan connectors | 6 |
| Number of water pump connectors | 1 |
| Number of RGB LED pin headers | 3 |
| Technical details | |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| Supported processor sockets | Socket AM5 |
| On-board graphics card | No |
| HDMI version | 2.1 |
| Motherboard form factor | ATX |
| Component for | PC |
| Total number of SATA connectors | 4 |
| Audio | |
| Audio output channels | 7.1 channels |
| Performance | |
| Number of HDDs supported | 4 |
| Supported storage drive types | HDD & SSD |
| Windows operating systems supported | Windows 11 x64 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| RAID levels | 0, 1, 10 |
| Supported processor sockets | Socket AM5 |
| Audio output channels | 7.1 channels |
| Motherboard form factor | ATX |
| Component for | PC |
| Processor | |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| Supported processor sockets | Socket AM5 |
| Processor socket | Socket AM5 |
| Memory | |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Supported memory types | DDR5-SDRAM |
| Memory channels | Dual-channel |
| Supported memory clock speeds | 4800,5600,8400 MHz |
| Maximum internal memory | 256 GB |
| Supported memory clock speed (max) | 8400 MHz |
| ECC сompatibility | Non-ECC |
| Storage controllers | |
| Number of HDDs supported | 4 |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, Micro SATA III |
| RAID levels | 0, 1, 10 |
| Number of storage drives supported | 8 |
| RAID support | Yes |
| Graphics | |
| On-board graphics card | No |
| Rear panel I/O ports | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 3 |
| USB 2.0 ports quantity | 4 |
| HDMI version | 2.1 |
| HDMI ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| Network | |
| Ethernet LAN | Yes |
| Wi-Fi | Yes |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax), Wi-Fi 7 (802.11be) |
| Ethernet interface type | 5 Gigabit Ethernet |
| Bluetooth | Yes |
| Bluetooth version | 5.4 |
| Top Wi-Fi standard | Wi-Fi 7 (802.11be) |
| Features | |
| Windows operating systems supported | Windows 11 x64 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| Supported processor sockets | Socket AM5 |
| Audio output channels | 7.1 channels |
| Motherboard form factor | ATX |
| Component for | PC |
| Audio chip | Realtek ALC4080 |
| Product colour | Black |
| Expansion slots | |
| Number of M.2 (M) slots | 4 |
| PCI Express x16 (Gen 3.x) slots | 1 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 5.x) slots | 1 |
| 1st M.2 largest key size | 22110 |
| 1st M.2 highest PCI Express generation | 5.0 |
| 2nd M.2 largest key size | 2280 |
| 2nd M.2 highest PCI Express generation | 5.0 |
| 3rd M.2 largest key size | 2280 |
| 3rd M.2 highest PCI Express generation | 4.0 |
| 4th M.2 largest key size | 2280 |
| 4th M.2 highest PCI Express generation | 4.0 |
| BIOS | |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
| ACPI version | 6.5 |
| System Management BIOS (SMBIOS) version | 3.7 |
| Software | |
| Windows operating systems supported | Windows 11 x64 |
| Weight & dimensions | |
| Width | 243.8 mm |
| Depth | 304.8 mm |
| Identifiers | |
| Distributor SKUs | 128016 |

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