Description
Overview
The MSI MAG X870 TOMAHAWK WIFI is an ATX motherboard for AMD AM5 processors (Ryzen 7000/8000/9000 series). It combines modern platform features — DDR5 memory support, PCIe 5.0 for the primary GPU and M.2 slot, integrated Wi‑Fi 7 and 5G Ethernet — with an emphasis on stability and expandability for gaming and content-creation systems.
Key features
- Socket: AM5 — supports AMD Ryzen 9000 / 8000 / 7000 series desktop processors.
- Memory: 4× DDR5 UDIMM slots, up to 256GB; official support for DDR5 JEDEC and OC profiles (DDR5 4800–8400+ depending on configuration and CPU).
- Expansion: PCIe 5.0 x16 primary slot (from CPU), additional PCIe 4.0/3.0 slots for expansion.
- Storage: Four M.2 slots (two CPU-attached up to PCIe 5.0 x4), plus 4× SATA 6Gb/s ports.
- Networking: Integrated Realtek 8126-CG 5G LAN and pre-installed Wi‑Fi 7 M.2 module (supports 2.4/5/6 GHz bands; 6GHz availability may depend on local regulations).
- Rear I/O: Multiple USB Type-A and Type-C ports including USB4/40Gbps and USB 20Gbps/10Gbps ports, HDMI 2.1, clear CMOS and BIOS flash buttons.
- Audio: Realtek ALC4080 7.1-channel audio codec with S/PDIF support.
Who it suits
This board is suitable for PC builders who want an AM5 platform with next-generation I/O: gamers wanting PCIe 5.0 for future GPUs and NVMe drives, creators needing multiple high-speed M.2 slots, and users who value built-in high-speed networking (Wi‑Fi 7 / 5G LAN).
Notes and recommendations
- Official OS support references Windows 11 64-bit. Drivers, BIOS and feature support (for example Wi‑Fi 7/Bluetooth 5.4 behaviour) may depend on OS version and vendor updates.
- Some users have reported intermittent LAN or Wi‑Fi behaviour on early firmware/drivers; install the latest BIOS and chipset/network drivers from MSI support when building your system.
- 6GHz (Wi‑Fi 7) availability is subject to local regulatory approval; features tied to OS version (e.g., certain Wi‑Fi/Bluetooth features) may require recent Windows 11 updates.






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