





Motherboard MSI MAG B850 TOMAHAWK MAX WIFI II AM5 - 911-7E62-015R
- CPU socket
- AM5
- Chipset (MB)
- AMD B850 MB
- Form factor
- ATX
- Supported memory
- DDR5
- Number of memory slots
- 4
Description
MSI MAG B850 TOMAHAWK MAX WIFI II is an ATX AM5 motherboard from the mid/high-end class, aimed at Ryzen 7000, 8000, and 9000 series. It combines the fresh AMD B850 chipset with support for DDR5 up to 8400+ MHz (OC) and enough PCIe 5.0 lanes for serious GPUs and fast NVMe SSDs. You also get modern connectivity with built-in Wi‑Fi 7 and Bluetooth 5.4, plus standard LAN for wired networking. This is a foundation for a powerful gaming or productivity build without entering an absurd enthusiast budget.
What you get
The AM5 socket and support for Ryzen 9000, 8000, and 7000 give you a clear upgrade path – you can start with a more affordable CPU and later switch to a higher class without changing the motherboard. The four DDR5 slots with a maximum capacity of 256 GB and frequencies up to 8400+ MHz (OC) mean plenty of room for fast RAM, especially if you are chasing high FPS or heavy applications. With four M.2 slots (two directly from the CPU with PCIe 5.0 x4) plus four SATA ports, you can easily build a combination of a super-fast system disk and a large storage array, including RAID 0/1/10. The PCIe 5.0 x16 slot for the graphics card provides maximum bandwidth for future GPU generations. The built-in Wi‑Fi 7 and Bluetooth 5.4 eliminate the need for additional cards for wireless connectivity.
- Support for AMD Socket AM5 Ryzen 9000, 8000, and 7000 series, giving you flexibility for current builds and future upgrades.
- DDR5 memory up to 256 GB and up to 8400+ MHz (OC) in 4 slots with dual-channel mode for high bandwidth and stability during multitasking and gaming.
- AMD B850 chipset in ATX form factor – a balance between expansion capabilities and standard sizes for most mid-tower cases.
- 4x M.2 slots, with M2_1 and M2_2 from the CPU supporting up to PCIe 5.0 x4, and M2_3 and M2_4 from the chipset – up to PCIe 4.0, providing space for several fast NVMe SSDs.
- 3x PCI-E x16 slots, the main PCI_E1 with up to PCIe 5.0 x16 for GPU, plus additional slots from the chipset for expansion cards and more flexible configurations.
- 4 x SATA3 6.0 Gb/s with support for RAID 0/1/10 for classic 2.5"/3.5" drives and combinations between speed and data redundancy.
- Built-in Wi‑Fi 7 (802.11be), Bluetooth 5.4, and LAN, so you have ready wired and wireless options without additional adapters.
- Power supply via 1 x 24-pin + 1 x 8-pin + 1 x 4-pin connectors, ensuring stable power delivery to the platform for more powerful Ryzen configurations.
- Built-in audio, sufficient for everyday use and gaming, without the mandatory need for a separate sound card.
Who it is suitable for
The motherboard is suitable for a serious gaming build (1080p, 1440p and above), streaming, and working with heavy applications, where fast DDR5 and the many M.2 slots have a real effect. It is also suitable for creator configurations with several NVMe drives and large RAM capacity. If you are looking for an ultra-budget AM5 motherboard or do not need PCIe 5.0 and Wi‑Fi 7, it may be more than you need in terms of capabilities.
With the combination of AM5 support for the latest Ryzen generations, PCIe 5.0 for GPU and M.2, plus Wi‑Fi 7 and rich storage, this MSI MAG B850 TOMAHAWK MAX WIFI II provides a stable and long-term foundation for a modern and future-oriented build.
Full specifications
- Manufacturer
-
MSI
- Product Code
- 911-7E62-015R
- CPU socket
-
AM5
- Chipset (MB)
- AMD B850
- Form factor
- ATX
- Supported processors
-
Supports AMD Socket AM5 Ryzen™ 9000, 8000 and 7000 Series Processors
- Supported memory
-
DDR5
- Number of memory slots
- 4
- Maximum RAM capacity
- 256 GB
- Memory frequency (MHz)
-
up to 8400+ MHz (OC)
- Support for dual-channel memory
- Yes
- Built-in audio
-
Yes
- Built-in Wi-Fi
-
Wi-Fi 7 (802.11be)
- Bluetooth version
- Bluetooth V5.4
- Built-in LAN
-
Yes
- SATA interface
- 4 x SATA3 6.0 Gb/s
- RAID support
- 0,1,10
- Expansion slots
-
3x PCI-E x16 slotPCI_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 slot
- Power connector
-
1 x 24-pin1 x 8-pin1 x 4-pin
- Processor generation
-
7th generation8th generation9th generation
- Warranty
- 36 months
- OS
-
Windows 11 64-bit
- M2 slot
-
4x M.2M.2_1 Source (From CPU) supports up to PCIe 5.0 x4 , supports 22110/2280 devicesM.2_2 Source (From CPU) supports up to PCIe 5.0 x4 , supports 2280/2260 devicesM.2_3 Source (From Chipset) supports up to PCIe 4.0 x2 , supports 2280/2260 devicesM.2_4 Source (From Chipset) supports up to PCIe 4.0 x4 , supports 2280/2260 devices4x SATA 6GM2_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 restrictions
- USB ports
-
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)
- Rear I/O panel
-
Clear CMOS ButtonUSB 10Gbps Type-AUSB 5Gbps Type-AUSB 2.05G LANWi-Fi / BluetoothAudio ConnectorsFlash BIOS ButtonHDMI™USB 10Gbps Type-CUSB 10Gbps Type-CUSB 10Gbps Type-AOptical S/PDIF-OUT
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