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MSI MAG Z890 TOMAHAWK WIFI

LGA1851 · ATX · DDR5 · board-only configuration · MSI global specification

ATX motherboard for supported LGA1851 processors, with 4 DDR5 slots and 4 onboard M.2 storage positions. Intel Killer E5000B 5 Gb Ethernet; Intel Killer BE1750x Wi-Fi 7; Bluetooth 5.4.

Reviewed 7 Sept 2026Manufacturer specifications, not a hands-on test.

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WHAT IT BRINGS

The useful part.

Offers two rear Thunderbolt 4 ports, 5 Gb Ethernet and four M.2 storage positions.

Manufacturer source

BEFORE YOU CHOOSE

The checks that matter.

Requires supported LGA1851 Core Ultra Series 2 processors. The 40 Gb/s Thunderbolt rating is distinct from the listed 20 Gb/s USB4 mode.

Manufacturer source

NOTHING HIDDEN IN THE SMALL PRINT

Every specification.
With its source.

Our publishing standard

CPU socket: LGA1851
Conditions & context
Manufacturer specification · Match the exact CPU and required BIOS as well as the physical socket.
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Chipset: Intel Z890
Conditions & context
Manufacturer specification
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Form factor: ATX: 304.8 × 243.84 mm
Conditions & context
Manufacturer specification · Board dimensions, not retail packaging. Check case mounting positions, clearance and cable routing.
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Memory type, slots and limit: 4 DDR5 DIMM slots; up to 256 GB; dual-channel unbuffered memory; Intel XMP 3.0
Conditions & context
Manufacturer specification · Manufacturer capacity ceiling for this exact board, not included memory or a performance measurement. CPU, BIOS, DIMM population and the validated-module list determine support. DDR5 slots require DDR5 modules; DDR4 and DDR5 are not interchangeable. MSI lists non-ECC unbuffered memory and CUDIMM support for this Intel board. Verify CPU, BIOS and validated modules; AMD CUDIMM bypass restrictions are not assigned to it.
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Storage interfaces: M2_1: CPU PCIe 5.0 x4; M2_2: CPU PCIe 4.0 x4; M2_3: chipset PCIe 4.0 x4; M2_4: chipset PCIe 4.0 x4 or SATA; 4 SATA 6 Gb/s ports
Conditions & context
Manufacturer specification · Verify each drive’s length and PCIe/SATA mode against the exact slot instructions. A PCIe 5.0 first slot does not make all four slots PCIe 5.0.
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Network interfaces: Intel Killer E5000B 5 Gb Ethernet; Intel Killer BE1750x Wi-Fi 7; Bluetooth 5.4
Conditions & context
Manufacturer specification · Wi-Fi 7 requires supported OS, drivers and access point. 6 GHz depends on country rules; Bluetooth version depends on module vendor and drivers.
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CPU support / BIOS source: MSI lists Intel Core Ultra processors (Series 2). Check the exact CPU support list and required BIOS before purchase; a socket match alone does not establish out-of-box compatibility.
Conditions & context
Manufacturer specification
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Maximum listed memory: 256 GB
Conditions & context
Manufacturer specification · Manufacturer capacity ceiling for this exact board, not included memory or a performance measurement. CPU, BIOS, DIMM population and the validated-module list determine support. DDR5 slots require DDR5 modules; DDR4 and DDR5 are not interchangeable. MSI lists non-ECC unbuffered memory and CUDIMM support for this Intel board. Verify CPU, BIOS and validated modules; AMD CUDIMM bypass restrictions are not assigned to it.
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DIMM slots: 4
Conditions & context
Manufacturer specification · Physical DDR5 module positions, not included modules. Consult the board manual for population order and compatible capacities.
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Onboard M.2 storage slots: 4
Conditions & context
Manufacturer specification · Onboard M.2 storage positions only. Verify each drive’s length and PCIe/SATA mode against the exact slot instructions. A PCIe 5.0 first slot does not make all four slots PCIe 5.0.
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SATA storage ports: 4
Conditions & context
Manufacturer specification · SATA 6 Gb/s connectors, not supplied drives or power cables. Verify each drive’s length and PCIe/SATA mode against the exact slot instructions. A PCIe 5.0 first slot does not make all four slots PCIe 5.0.
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Onboard audio hardware: Realtek ALC1220P
Conditions & context
Manufacturer specification · Manufacturer-listed onboard audio hardware, not a measured sound-quality result. Where alternatives are listed, no particular unseen controller revision is promised.
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Rear Thunderbolt 4 ports: 2 rear Thunderbolt 4 Type-C ports: up to 40 Gb/s Thunderbolt, 20 Gb/s USB4 or 10 Gb/s USB 3.2; charging up to 15 W (5 V / 3 A)
Conditions & context
Manufacturer specification · Maximum interface and charging specifications; actual operation depends on the connected device, cable and supported mode. Thunderbolt and USB4 mode ratings are distinct.
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