This article covers MSI MAG X870E TOMAHAWK WIFI AMD Ryzen 9000.

Overview

MSI's MAG series introduces the MAG X870E TOMAHAWK WIFI, an ATX motherboard built around the AMD X870E chipset. It supports Socket AM5 processors including Ryzen 9000, 8000, and 7000 series, making it a versatile foundation for a high-end gaming or productivity PC. With DDR5 memory support and PCIe 5.0 slots, this board is ready for the latest hardware.
The power delivery system features a 14+2+1 phase design with 80A Smart Power Stages, ensuring stable power even under heavy loads with flagship Ryzen 9 CPUs. Extended heatsinks and 7W/mK MOSFET thermal pads keep temperatures in check during intense workloads. Networking is handled by 5G LAN and Wi-Fi 7, offering blazing-fast wired and wireless connectivity.

Compatibility Guide

The MAG X870E TOMAHAWK WIFI uses Socket AM5 and supports AMD Ryzen 9000, 8000, and 7000 series processors. Memory support is limited to DDR5, with four slots supporting up to 256GB. Overclocked speeds up to DDR5-8400 are supported, along with AMD EXPO profiles.
Expansion includes one PCIe 5.0 x16 slot, one PCIe 4.0 x4 slot, and one PCIe 3.0 x1 slot. Storage options are generous: four M.2 slots (two PCIe 5.0 x4, two PCIe 4.0 x4) and four SATA 3.0 ports. The ATX form factor (304.8×243.84mm) fits standard ATX cases without issues. For a high-end build with a Ryzen 9 and a flagship GPU, an 850W or higher power supply is recommended.

Product Info

The MSI MAG X870E TOMAHAWK WIFI is a mid-to-high-end ATX motherboard featuring the AMD X870E chipset. It launched in late 2024 with a price range around ¥44,000–¥50,000. The standard warranty period is three years.
In terms of market positioning, this board sits above X670E models thanks to its upgraded networking suite (Wi-Fi 7 and 5G LAN). It is designed to handle flagship Ryzen 9 processors like the 9950X with robust power delivery and thermal management, making it a strong contender for enthusiasts who want future-proof connectivity.

Best Use Cases

  • High-end gaming PC builders: Pair this board with a Ryzen 9 9950X or Ryzen 7 9800X3D and a PCIe 5.0 GPU like the GeForce RTX 5090 for 4K high-refresh-rate gaming. The strong VRM and PCIe 5.0 support ensure no bottlenecks.
  • Content creators: Video editors, 3D renderers, and other multi-threaded workloads benefit from the board's support for high-capacity DDR5 memory (up to 256GB) and fast storage via PCIe 5.0 M.2 slots.
  • Future-proof upgraders: With AM5 socket longevity and PCIe 5.0 support, this motherboard can accommodate next-generation CPUs and GPUs without needing a platform change.
    If you are on a tighter budget or using a Ryzen 5-class CPU, a B650-based board may offer better value for your needs.

Things to Consider

This motherboard supports DDR5 memory only — DDR4 is not compatible, so you will need to purchase new RAM if upgrading from an older platform. There is only one PCIe 5.0 x16 slot, and multi-GPU configurations (SLI/CrossFire) are not supported.
Of the four M.2 slots, only two support PCIe 5.0; the remaining two are limited to PCIe 4.0. If you plan to use multiple ultra-fast SSDs, plan your slot allocation carefully. Also, video output relies on the CPU's integrated graphics — a discrete GPU is required for display output.
Competitors include the ASUS ROG STRIX X870E-E GAMING WIFI and GIGABYTE X870E AORUS MASTER. The MSI MAG X870E TOMAHAWK WIFI stands out for its balanced price-to-feature ratio, especially with its advanced networking capabilities.

FAQ

Q: Can I use a Ryzen 7 7800X3D with this motherboard?
A: Yes, the Ryzen 7 7800X3D is a Socket AM5 processor and is fully compatible. The X870E chipset will provide stable performance for gaming.
Q: How many PCIe 5.0 M.2 SSDs can I install?
A: Two. The M.2_1 and M.2_2 slots support PCIe 5.0 x4. The remaining M.2_3 and M.2_4 slots are PCIe 4.0 x4 only.
Q: What power supply wattage do you recommend for a Ryzen 9 9950X build?
A: For a system with a high-end GPU like the GeForce RTX 5090, we recommend at least 850W. A 1000W unit provides extra headroom for overclocking and future upgrades.

Product Disclosure (Amazon)

  • Manufacturer: MSI
  • Seller: Amazon.co.jp
  • Fulfilled by: Amazon.co.jp
  • ASIN: B0BT9Q9KTN
  • Note: This article covers a manufacturer-made product based on Amazon listing details.