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PC parts / Motherboards

MSI MAG Z890 TOMAHAWK WIFI
CPU socket
LGA1851
Chipset
Intel Z890
Form factor
ATX
M.2 slots
4

67 of 78 fields known.

At a glance

Ports

  • 2 USB-C USB4
  • USB-C USB 3.2 Gen 2
  • 3 USB-A USB 3.2 Gen 2
  • 4 USB-A USB 3.2 Gen 1
  • HDMI 2.1
  • Ethernet (RJ45)
  • 2 3.5 mm audio
  • Optical S/PDIF
  • USB-C header
  • USB 3 header (19-pin)
  • 2 USB 2.0 header (9-pin)

All specs

SourceCalculated

General

Announced
Not available
Predecessor
Not available
Launch price (EU)
Not available
Markets
Not available
Colours
Not available
Segment
Gaming8Reviewthefpsreview.com/2026/06/29/msi-mag-z890-tomahawk-wifi-ii-motherboard-reviewRead 15 October 2026Review of the II board: the MAG (MSI Arsenal Gaming) tier is the entry level for enthusiast gaming from MSI, and the TOMAHAWK line is a solid, no frills gaming platform.
Board revision
Not available

Platform

CPU socket
LGA18511Owner's manualtrovaprezzi.it/manuali/msi_mag_z890_tomahawk_wifi.pdfRead 15 October 2026
Chipset
Intel Z8901Owner's manualtrovaprezzi.it/manuali/msi_mag_z890_tomahawk_wifi.pdfRead 15 October 2026
Supported processors
Intel Core Ultra (Series 2)1Owner's manualtrovaprezzi.it/manuali/msi_mag_z890_tomahawk_wifi.pdfRead 15 October 2026Specifications chapter, page 16: Intel Core Ultra Processors (Series 2). The manual refers to msi.com for newer processors. Read on 2026-10-15.

Board

Front and side, drawn to scale.

Form factor
ATX1Owner's manualtrovaprezzi.it/manuali/msi_mag_z890_tomahawk_wifi.pdfRead 15 October 2026Page 19: ATX Form Factor.
Board dimensions
Width244Height305mm(9.6 × 12 in)1Owner's manualtrovaprezzi.it/manuali/msi_mag_z890_tomahawk_wifi.pdfRead 15 October 2026Page 19: 9.6 in. x 12 in. (244 mm x 305 mm).2Retailer pagecomx-computers.co.za/MAG-Z890-TOMAHAWK-WIFI-specifications-311064.htmRead 15 October 2026243.84 mm x 304.8 mm, which is the exact conversion of 9.6 in x 12 in.
Back-connect design
No1Owner's manualtrovaprezzi.it/manuali/msi_mag_z890_tomahawk_wifi.pdfRead 15 October 2026The component overview on page 28 shows the usual front-side power, fan and USB connectors. It is not a back-connect board.
RGB lighting on the board
No4Reviewtech4gamers.com/msi-mag-z890-tomahawk-wifi-reviewRead 15 October 2026There is no RGB on show. The board has RGB headers only. Profesional Review also says it has no integrated lighting.5Reviewprofesionalreview.com/2025/01/19/msi-mag-z890-tomahawk-wifi-review/ampRead 15 October 2026No integrated lighting, apart from the headers for LED strips.

Power delivery

Power stage layout
16+1+1+12Retailer pagecomx-computers.co.za/MAG-Z890-TOMAHAWK-WIFI-specifications-311064.htmRead 15 October 2026Shop copy of MSI's text: 16+1+1+1 Duet Rail Power System 90A SPS, with dual 8-pin CPU power connectors.
CPU core (Vcore) power stages
162Retailer pagecomx-computers.co.za/MAG-Z890-TOMAHAWK-WIFI-specifications-311064.htmRead 15 October 2026The first number of 16+1+1+1 is the Vcore rail. Tech4Gamers lists 16x 90A phases for Vcore.5Reviewprofesionalreview.com/2025/01/19/msi-mag-z890-tomahawk-wifi-review/ampRead 15 October 202616 phases for VccCore, 1 each for VccGT, VccSA and VNNAON, with 16 MPS 90 A MOSFETs on the main phases.
VRM controller
MPS MP290054Reviewtech4gamers.com/msi-mag-z890-tomahawk-wifi-reviewRead 15 October 2026Review: PWM controller MPS 2425 / MP29005-A. The 2425 is a date code on the chip. The part is the MPS MP29005, and the suffix -A is left out. MOSFETs are listed as MPS5505 / M87692. Profesional Review names an MPS 2425 controller and 16 MPS 90 A power stages.
Extra slot power connector
Yes1Owner's manualtrovaprezzi.it/manuali/msi_mag_z890_tomahawk_wifi.pdfRead 15 October 2026Page 17: 1x 8-pin PCIe power connector (PCIE_PWR1). The special features list names a Supplemental PCIe Power Connector.

Memory

Max memory
256GB1Owner's manualtrovaprezzi.it/manuali/msi_mag_z890_tomahawk_wifi.pdfRead 15 October 2026Page 16: supporting up to 256GB.
Max memory speed (overclocked)
9,200MT/s2Retailer pagecomx-computers.co.za/MAG-Z890-TOMAHAWK-WIFI-specifications-311064.htmRead 15 October 2026Memory Support 9200 - 6400 (OC) MT/s and 6400 - 4800 (JEDEC) MT/s. The shop says the 9200+ speed is for 1DPC 1R. It is stored for Core Ultra (Series 2), the only CPU family of the board. The setups with more modules or ranks reach lower speeds.
ECC memory
No1Owner's manualtrovaprezzi.it/manuali/msi_mag_z890_tomahawk_wifi.pdfRead 15 October 2026Page 16: supports non-ECC, un-buffered memory.
CUDIMM support
Yes1Owner's manualtrovaprezzi.it/manuali/msi_mag_z890_tomahawk_wifi.pdfRead 15 October 2026Page 16: supports CUDIMM. The manual states no clock driver bypass limit. Tech4Gamers also names CUDIMM support.

Expansion slots

Expansion slots
Physical slotElectrical lanesPCIe generationConnected toCount
PCIe x16165CPU1
PCIe x1644Chipset2
Full-length PCIe slots
3
Fastest PCIe x16 slot generation
5

Storage

M.2 slots
4
PCIe 5.0 M.2 slots
1
SATA ports
41Owner's manualtrovaprezzi.it/manuali/msi_mag_z890_tomahawk_wifi.pdfRead 15 October 2026Page 16: 4x SATA 6Gb/s ports from the Z890 chipset.

Rear ports

Rear ports
TypeVersionCountMax link rate (Gbps)Thunderbolt or USB4DP Alt Mode
USB-CUSB4240Thunderbolt 4Yes
USB-CUSB 3.2 Gen 2110Not availableNot available
USB-AUSB 3.2 Gen 2310Not availableNot available
USB-AUSB 3.2 Gen 145Not availableNot available
HDMIHDMI 2.11Not availableNot availableNot available
Ethernet (RJ45)Not available15Not availableNot available
3.5 mm audioNot available2Not availableNot availableNot available
Optical S/PDIFNot available1Not availableNot availableNot available
Rear USB ports
10
Rear USB-C ports
3
Fastest rear USB port
40Gbps
Thunderbolt
Yes

Internal connectors

Internal USB headers
HeaderMax data rate (Gbps)HeadersFront ports servedPower out (W)
USB-C header201127
USB 3 header (19-pin)512Not available
USB 2.0 header (9-pin)0.4824Not available
Front USB-C header speed
20Gbps
Fan headers
81Owner's manualtrovaprezzi.it/manuali/msi_mag_z890_tomahawk_wifi.pdfRead 15 October 2026Page 18: 1 CPU fan, 1 water-pump/system fan and 6 system fan connectors, all 4-pin, make 8 headers. The EZ Conn-Header V2 (JAF_2) is a combination connector and is not counted.
ARGB headers
31Owner's manualtrovaprezzi.it/manuali/msi_mag_z890_tomahawk_wifi.pdfRead 15 October 2026Page 18: 3x 3-pin A-RAINBOW V2 (ARGB Gen2) LED connectors.
RGB headers
11Owner's manualtrovaprezzi.it/manuali/msi_mag_z890_tomahawk_wifi.pdfRead 15 October 2026Page 18: 1x 4-pin RGB LED connector.

Networking

Ethernet controllers
Intel Killer E50001Owner's manualtrovaprezzi.it/manuali/msi_mag_z890_tomahawk_wifi.pdfRead 15 October 2026Page 17: 1x Intel Killer E5000 5Gbps LAN controller. Tech4Gamers' table writes E5000B. The suffix is left out.6Retailer pageox.ee/en/product/2813300Read 15 October 2026Intel Killer E5000 5Gbps LAN.
Ethernet ports
1
Ethernet speed
5Gbps
Max Wi-Fi channel width
320MHz1Owner's manualtrovaprezzi.it/manuali/msi_mag_z890_tomahawk_wifi.pdfRead 15 October 2026Page 17: 2.4GHz/5GHz/6GHz (320MHz) up to 5.8Gbps.

Audio

DAC chip
Not available

Features

BIOS flashback
Yes1Owner's manualtrovaprezzi.it/manuali/msi_mag_z890_tomahawk_wifi.pdfRead 15 October 2026Page 19 and 23: Flash BIOS button on the rear panel.
Clear CMOS button (rear)
Yes1Owner's manualtrovaprezzi.it/manuali/msi_mag_z890_tomahawk_wifi.pdfRead 15 October 2026Page 19 and 24: Clear CMOS button on the rear panel. The board also has a JBAT1 jumper.
Power button on the board
No1Owner's manualtrovaprezzi.it/manuali/msi_mag_z890_tomahawk_wifi.pdfRead 15 October 2026The manual lists no power or reset button on the board. Profesional Review also says there is no onboard power or reset button.5Reviewprofesionalreview.com/2025/01/19/msi-mag-z890-tomahawk-wifi-review/ampRead 15 October 2026There is no onboard power or reset button. The rear panel has Flash BIOS and Clear CMOS buttons.
Dual BIOS
No1Owner's manualtrovaprezzi.it/manuali/msi_mag_z890_tomahawk_wifi.pdfRead 15 October 2026Page 19: BIOS is 1x 256 Mb flash. Dual BIOS is not stated.

Measured

Power draw idle
Not available
Power draw CPU stress
Not available

In the box

In the box
1 x Quick installation guide, 1 x European Union Regulatory Notices, 1 x USB Drive, 2 x SATA Cables, 1 x EZ Front Panel Cable, 1 x 1 to 3 EZ Conn-Cable (V2), 1 x EZ Wi-Fi antenna, 1 x Cable sticker, 2 x EZ M.2 Clip II, 1 x EZ M.2 Clip II Remover1Owner's manualtrovaprezzi.it/manuali/msi_mag_z890_tomahawk_wifi.pdfRead 15 October 2026Page 22 package contents, without the board itself. The USB drive holds the drivers ISO.

Warranty

Manufacturer warranty (source market)
3years4Reviewtech4gamers.com/msi-mag-z890-tomahawk-wifi-reviewRead 15 October 2026Text: MSI offers a 3-year warranty for the board. OX.ee lists 12 months in Estonia, which is the shop's term.

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Sources

We read 11 sources for this motherboard. The numbers match the markers in the sheet.

  1. Read 15 October 2026Backs 40 fields
  2. Read 15 October 2026Backs 6 fields
  3. Read 15 October 2026Backs 1 field
  4. Read 15 October 2026Backs 11 fields
  5. Read 15 October 2026Backs 5 fields
  6. Read 15 October 2026Backs 4 fields
  7. Read 15 October 2026Backs 4 fields
  8. Read 15 October 2026Backs 3 fields
  9. Read 15 October 2026Backs 2 fields
  10. Read 15 October 2026Backs 1 field
  11. Read 23 October 2026Backs 1 field

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