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PC parts / Motherboards

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

68 of 78 fields known.

At a glance

Ports

  • 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

Model numbers
MAG Z890 TOMAHAWK WIFI II1Owner's manualdownload-2.msi.com/archive/mnu_exe/mb/MAGZ890TOMAHAWKWIFIII_English.pdfRead 14 October 2026Cover and specification chapter name the board MAG Z890 TOMAHAWK WIFI II.
GTIN / EAN
Not available
Successor
Not available
Launch price (EU)
Not available
Markets
Not available
Colours
Not available
Segment
Gaming5Reviewthefpsreview.com/2026/06/29/msi-mag-z890-tomahawk-wifi-ii-motherboard-reviewRead 14 October 2026The MAG (MSI Arsenal Gaming) tier is the entry level for enthusiast gaming from MSI, a solid no-frills gaming platform. Real Hardware Reviews also calls it an MSI Arsenal Gaming-branded board.
Board revision
Not available

Platform

Chipset
Intel Z8901Owner's manualdownload-2.msi.com/archive/mnu_exe/mb/MAGZ890TOMAHAWKWIFIII_English.pdfRead 14 October 20262Maker spec sheet (PDF)storage-asset.msi.com/datasheet/mb/jp/MAG-Z890-TOMAHAWK-WIFI-II.pdfRead 14 October 2026Specifications: Intel Z890 Chipset.
Supported processors
Intel Core Ultra (Series 2)1Owner's manualdownload-2.msi.com/archive/mnu_exe/mb/MAGZ890TOMAHAWKWIFIII_English.pdfRead 14 October 2026Specifications chapter, page 16: Intel Core Ultra Processors (Series 2). The manual refers to msi.com for newer processors. Read on 2026-10-14.

Board

Front and side, drawn to scale.

Form factor
ATX1Owner's manualdownload-2.msi.com/archive/mnu_exe/mb/MAGZ890TOMAHAWKWIFIII_English.pdfRead 14 October 2026
Board dimensions
Width244Height305mm(9.6 × 12 in)1Owner's manualdownload-2.msi.com/archive/mnu_exe/mb/MAGZ890TOMAHAWKWIFIII_English.pdfRead 14 October 2026Page 19: ATX form factor, 9.6 in. x 12 in. (244 mm x 305 mm).
Back-connect design
No1Owner's manualdownload-2.msi.com/archive/mnu_exe/mb/MAGZ890TOMAHAWKWIFIII_English.pdfRead 14 October 2026The component overview on page 28 shows the usual front-side power, fan and USB connectors. The board is not a back-connect design.

Power delivery

VRM controller
Not available

Memory

Max memory
256GB1Owner's manualdownload-2.msi.com/archive/mnu_exe/mb/MAGZ890TOMAHAWKWIFIII_English.pdfRead 14 October 2026
Max memory speed (overclocked)
9,200MT/s3Retailer pagevishalperipherals.com/products/msi-mag-z890-tomahawk-wifi-ii-motherboardRead 14 October 2026Memory support DDR5 9200 - 6400 (OC) MT/s and 6400 - 4800 (JEDEC) MT/s in MSI's table. 9200+ is the 1DPC 1R figure and is stored for Core Ultra (Series 2), the only CPU family of the board. Tom's Hardware and FPS Review also give DDR5-9200 (OC). The setups with more modules or ranks reach lower speeds.
ECC memory
No1Owner's manualdownload-2.msi.com/archive/mnu_exe/mb/MAGZ890TOMAHAWKWIFIII_English.pdfRead 14 October 2026Page 16: supports non-ECC, un-buffered memory.

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 storage slots
SlotPCIe generationPCIe lanesConnected toLongest driveTakes SATA drivesHeatsink
M2_154CPUM.2 2280NoYes
M2_244ChipsetM.2 22110NoYes
M2_344ChipsetM.2 2280NoYes
M2_444ChipsetM.2 2280YesYes
Source1Owner's manualdownload-2.msi.com/archive/mnu_exe/mb/MAGZ890TOMAHAWKWIFIII_English.pdfRead 14 October 2026Page 17: M2_1 PCIe 5.0 x4 for 2260 and 2280. M2_2 PCIe 4.0 x4 for 2260, 2280 and 22110. M2_3 PCIe 4.0 x4 for 2242, 2260 and 2280. M2_4 PCIe 4.0 x4 and SATA for 2242, 2260 and 2280. The longest module is stored. The manual and its block diagram say M2_2 comes from the CPU. MSI's web specification text copied by Vishal Peripherals, Tom's Hardware and Profesional Review all say the chipset, so chipset is stored. This is a doubt. Heatsinks: pages 36 to 43 show a screwless M.2 Shield Frozr heatsink on M2_1, a screw-down M.2 Shield Frozr on M2_2 and a screwless one over M2_3 and M2_4. FPS Review and Profesional Review count three M.2 heatsinks for the four slots. The manual lists no lane sharing for the M.2 slots.3Retailer pagevishalperipherals.com/products/msi-mag-z890-tomahawk-wifi-ii-motherboardRead 14 October 2026Shop copy of the MSI specification: M.2_1 from the CPU, PCIe 5.0 x4, 2280/2260. M.2_2 from the chipset, PCIe 4.0 x4, 22110/2280/2260. M.2_3 from the chipset, PCIe 4.0 x4, 2280/2260/2242. M.2_4 from the chipset, PCIe 4.0 x4 or SATA mode, 2280/2260/2242.4Reviewtomshardware.com/pc-components/motherboards/msi-mag-z890-tomahawk-wifi-ii-motherboard-reviewRead 14 October 2026M.2_1 is the CPU-connected PCIe 5.0 x4 socket. The other three connect through the chipset at PCIe 4.0 x4, M.2_4 also takes SATA. The text says all sockets take up to 80 mm modules, but the spec table and MSI's manual list 110 mm for M.2_2. No lane sharing between PCIe, M.2, USB and SATA.
M.2 slots
4
PCIe 5.0 M.2 slots
1
SATA ports
41Owner's manualdownload-2.msi.com/archive/mnu_exe/mb/MAGZ890TOMAHAWKWIFIII_English.pdfRead 14 October 2026Page 16: 4x SATA 6Gb/s ports from the Z890 chipset.

Rear ports

Rear ports
TypeVersionCountMax link rate (Gbps)Thunderbolt or USB4Power out (W)DP Alt Mode
USB-CUSB4140Thunderbolt 415Yes
USB-CUSB 3.2 Gen 2110Not availableNot availableNot available
USB-AUSB 3.2 Gen 2310Not availableNot availableNot available
USB-AUSB 3.2 Gen 145Not availableNot availableNot available
HDMIHDMI 2.11Not availableNot availableNot availableNot available
Ethernet (RJ45)Not available15Not availableNot availableNot available
3.5 mm audioNot available2Not availableNot availableNot availableNot available
Optical S/PDIFNot available1Not availableNot availableNot availableNot available
Rear USB ports
9
Rear USB-C ports
2
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 manualdownload-2.msi.com/archive/mnu_exe/mb/MAGZ890TOMAHAWKWIFIII_English.pdfRead 14 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.6Reviewrealhardwarereviews.com/msi-mag-z890-tomahawk-wifi-ii-review/5Read 14 October 2026Eight 4-pin fan headers plus the JAF v2 header.
ARGB headers
31Owner's manualdownload-2.msi.com/archive/mnu_exe/mb/MAGZ890TOMAHAWKWIFIII_English.pdfRead 14 October 2026Page 18: 3x 3-pin A-RAINBOW V2 (ARGB Gen2) LED connectors.
RGB headers
11Owner's manualdownload-2.msi.com/archive/mnu_exe/mb/MAGZ890TOMAHAWKWIFIII_English.pdfRead 14 October 2026Page 18: 1x 4-pin RGB LED connector (JRGB1, 12 V).

Networking

Ethernet controllers
Intel Killer E50001Owner's manualdownload-2.msi.com/archive/mnu_exe/mb/MAGZ890TOMAHAWKWIFIII_English.pdfRead 14 October 2026Page 17: 1x Intel Killer E5000 5Gbps LAN controller. The datasheet writes E5000B. Tom's Hardware's table says Killer E5000 Realtek RTL8125 at 2.5 GbE, which does not fit the 5 Gbps port and is not used.2Maker spec sheet (PDF)storage-asset.msi.com/datasheet/mb/jp/MAG-Z890-TOMAHAWK-WIFI-II.pdfRead 14 October 2026Specifications: Intel Killer E5000B 5G LAN.
Ethernet ports
1
Ethernet speed
5Gbps
Wi-Fi module
Not available

Audio

DAC chip
Not available

Features

BIOS flashback
Yes1Owner's manualdownload-2.msi.com/archive/mnu_exe/mb/MAGZ890TOMAHAWKWIFIII_English.pdfRead 14 October 2026Page 19 and the special features list: Flash BIOS button on the rear panel.
Clear CMOS button (rear)
Yes1Owner's manualdownload-2.msi.com/archive/mnu_exe/mb/MAGZ890TOMAHAWKWIFIII_English.pdfRead 14 October 2026Page 19 and the rear panel chapter: Clear CMOS button. The board also has a JBAT1 jumper.
POST code display
Yes1Owner's manualdownload-2.msi.com/archive/mnu_exe/mb/MAGZ890TOMAHAWKWIFIII_English.pdfRead 14 October 2026Page 18: 1x EZ Digi-Debug LED, a two-character display for boot codes and errors. It also has four EZ Debug status LEDs.
Power button on the board
No1Owner's manualdownload-2.msi.com/archive/mnu_exe/mb/MAGZ890TOMAHAWKWIFIII_English.pdfRead 14 October 2026The manual lists no power or reset button on the board. Real Hardware Reviews says MSI left out the power and reset buttons to fit the debug LEDs, and Profesional Review sees no integrated buttons.6Reviewrealhardwarereviews.com/msi-mag-z890-tomahawk-wifi-ii-review/5Read 14 October 2026MSI left out the power and reset buttons found on higher models to fit the debug LED and digital display.
Dual BIOS
No1Owner's manualdownload-2.msi.com/archive/mnu_exe/mb/MAGZ890TOMAHAWKWIFIII_English.pdfRead 14 October 2026Page 19: BIOS is 1x 256 Mb flash. Dual BIOS is not stated.

Measured

Power draw idle
61W4Reviewtomshardware.com/pc-components/motherboards/msi-mag-z890-tomahawk-wifi-ii-motherboard-reviewRead 14 October 2026Whole test system at the wall with a Kill-A-Watt meter, Windows Balanced power plan, XMP enabled. Test system: Core Ultra 7 270K Plus, Asus TUF RTX 4080, Crucial T705, Windows 11 25H2.
Power draw CPU stress
345W4Reviewtomshardware.com/pc-components/motherboards/msi-mag-z890-tomahawk-wifi-ii-motherboard-reviewRead 14 October 2026Peak of the whole test system at the wall (Kill-A-Watt) during the AIDA64 System Stability Test with Stress CPU, FPU, cache and Memory, Core Ultra 7 270K Plus, Team Group DDR5-7600 kit at stock. The graphics card was not stressed.

In the box

In the box
1 x Quick installation guide, 1 x European Union Regulatory Notices, 2 x SATA Cables, 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 manualdownload-2.msi.com/archive/mnu_exe/mb/MAGZ890TOMAHAWKWIFIII_English.pdfRead 14 October 2026Page 22 package contents, without the board itself. Real Hardware Reviews says the drivers come on a USB drive. The manual list does not include it, so it is left out.

Warranty

Manufacturer warranty (source market)
3years4Reviewtomshardware.com/pc-components/motherboards/msi-mag-z890-tomahawk-wifi-ii-motherboard-reviewRead 14 October 2026Spec table: 3 years, in a US-focused review.5Reviewthefpsreview.com/2026/06/29/msi-mag-z890-tomahawk-wifi-ii-motherboard-reviewRead 14 October 2026The warranty is listed at 3 years on the MSI store.

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Sources

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

  1. Read 14 October 2026Backs 39 fields
  2. Read 14 October 2026Backs 6 fields
  3. Read 14 October 2026Backs 5 fields
  4. Read 14 October 2026Backs 10 fields
  5. Read 14 October 2026Backs 11 fields
  6. Read 14 October 2026Backs 5 fields
  7. Read 14 October 2026Backs 2 fields
  8. Read 14 October 2026Backs 1 field
  9. Read 14 October 2026Backs 3 fields
  10. Read 14 October 2026Backs 1 field
  11. Read 14 October 2026Backs 1 field

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