MSI MAG X870 Tomahawk WiFi

MSI MAG X870 Tomahawk WiFi

Mid-range X870 ATX board with two USB4 ports, Wi-Fi 7 and 5Gb LAN, plus two PCIe 5.0 M.2 slots.

  • AM5
  • X870
  • ATX
  • DDR5
  • 4

PCPR score

8.0

Great

Best price we’ve seen

$280Nov 9

Checked recently. Confirm at the retailer.

R1

The short version

The MAG X870 Tomahawk WiFi is MSI's mid-range X870 board for AM5. It adds two USB4 Type-C ports, Wi-Fi 7, Realtek 5Gb Ethernet and a 14+2+1 Duet Rail power design to the usual Tomahawk formula, with four M.2 slots (two PCIe 5.0). It suits Ryzen 9000 gaming builds that want USB4 without X870E pricing. Note that the USB4 ports and the second Gen5 M.2 slot share PCIe bandwidth.

Pros

  • Two USB4 Type-C ports and Wi-Fi 7 at a mid-range tier
  • Two PCIe 5.0 x4 M.2 slots, one supporting 22110
  • Flash BIOS button for CPU-less updates
  • Dual 8-pin CPU power connectors

Cons

  • USB4 ports and M2_2 share PCIe 5.0 bandwidth
  • M.2_3 runs at PCIe 4.0 x2 only
  • Single 5Gb LAN port

Best for

  • Ryzen 9000 gaming builds wanting USB4
  • Buyers who do not need X870E extras

J3

Full specifications

Core

Socket
AM5
Chipset
X870
Form factor
ATX

Memory

Memory type
DDR5
Memory slots type
DIMM
Memory slots
4
Max memory
256 GB
Max memory speed (OC)
8,400 MT/s

Expansion

M.2 slots
4
M.2 PCIe 5.0 slots
2
M.2 PCIe 4.0 slots
2
M.2 PCIe 3.0 slots
0
Supports M.2 22110
Yes
SATA ports
4
PCIe x16 slots
1
Primary PCIe slot version
5.0
PCIe x4 slots
1
PCIe x1 slots
1

Connectivity

Wi-Fi
Wi-Fi 7
Bluetooth
5.4
Ethernet speed
5 GbE
Ethernet ports
1

Ports & I/O

USB4 / Thunderbolt ports
2
Rear USB-C ports
3
Rear USB-A ports
9
Front USB-C header
Yes
USB 3 headers
2
USB 2 headers
2
HDMI outputs (iGPU)
1
DisplayPort outputs (iGPU)
0

Cooling

Fan headers
8
ARGB headers (5V)
3
RGB headers (12V)
1

Power

CPU power
2 x 8-pin

Fit

Back-connect (BTF / Project Zero)
No

Features

BIOS flashback
Yes

Physical

Color
Black

Compatibility notes

  • M2_2 and the rear 40Gbps USB-C ports share PCIe 5.0 x4: both run at x2 when M2_2 is populated by default.
  • PCI_E3 drops to x2 when M2_3 is used.
  • Supports CUDIMM in clock-driver bypass mode only.

P1

Where to buy

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AV1

Video reviews

No verified video reviews yet

We only list videos we’ve confirmed are about this product. You can search YouTube for reviews in the meantime.

AV2

What reviewers and owners say

  • PC Gamer

    Mixed

    PC Gamer praises this AM5 board's huge USB selection including USB4 and Thunderbolt, solid build and thermals, but criticizes limited fast PCIe and M.2 options and its price.

Summaries are written in our words. Follow the links for each source’s own review.

R9

Common questions

Does the X870 Tomahawk WiFi have USB4?

Yes, two USB 40Gbps Type-C ports on the rear panel. They share PCIe bandwidth with the M2_2 slot.

What is the memory speed rating?

MSI lists DDR5 up to 8400+ MT/s overclocked for one single-rank DIMM per channel on Ryzen 9000, with lower speeds for populated four-slot configurations.

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