MSI MAG Z890 Tomahawk WiFi Gaming Motherboard DDR5














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MSI MAG Z890 TOMAHAWK WIFI — LGA1851 ATX with PCIe 5.0, two Thunderbolt 4 ports, Wi-Fi 7 and 5G LAN
An Intel Z890 ATX motherboard for Intel Core Ultra (Series 2) processors on socket LGA1851. MSI feeds the CPU from a 16+1+1+1 Duet Rail design with 90A smart power stages on a 6-layer, 2oz-copper PCB, and gives it PCIe 5.0 x16 for the graphics card, four M.2 slots (one PCIe 5.0 x4), DDR5 up to 9200+ MT/s (OC), two rear Thunderbolt 4 ports, Wi-Fi 7 and Intel Killer 5G LAN.

Board Map
Where everything sits on the board
Intel Socket LGA1851 — Centre
Takes Intel Core Ultra (Series 2) desktop processors. Game Boost, Memory Boost and a dedicated clock generator for BCLK tuning are in Click BIOS X.
16+1+1+1 Duet Rail VRM — Top & Left
Sixteen 90A smart power stages feed Vcore, fed by two 8-pin CPU power connectors. Heavy-plated VRM heatsinks sit on 7W/mK MOSFET pads with extra choke pads.
4 × DDR5 DIMM slots — Right
Dual-channel DDR5, up to 256 GB, rated to 9200+ MT/s (OC) with one single-rank DIMM per channel. Intel XMP 3.0 and CUDIMM supported.
PCIe 5.0 x16 slot with Steel Armor II — Upper expansion
Wired to the CPU at PCIe 5.0 x16. EZ PCIe Release frees a long graphics card with one press; an 8-pin PCIe supplemental power header backs the slot.
4 × M.2 under M.2 Shield Frozr — Lower half
M.2_1 PCIe 5.0 x4 and M.2_2 PCIe 4.0 x4 from the CPU, M.2_3 and M.2_4 PCIe 4.0 x4 from the chipset (M.2_4 also SATA). EZ M.2 Clip II makes them tool-free.
Right-angle SATA and headers — Bottom & right edge
4 × SATA 6Gb/s, a front USB-C 20Gbps header with 27W charging, 3 ARGB V2 and 1 RGB header, and a Thunderbolt 5 add-in card header (card not included).
Power Delivery & Cooling
What feeds the socket, and what keeps it cool
16+1+1+1 Duet Rail, 90A SPS
Sixteen 90A smart power stages for Vcore plus one each for SA, GT and VNNAON, under digital PWM control, with MSI Core Boost.
6-Layer Server-Grade PCB
Six layers with 2oz thickened copper carry the current and keep DDR5 and PCIe 5.0 signals clean.
Frozr Guard Cooling
Extended, heavy-plated VRM heatsinks on 7W/mK MOSFET pads with extra choke pads, an enlarged chipset heatsink and a double-sided M.2 Shield Frozr.
Combo & EZ Conn Fan Headers
A 3A pump/fan combo header that auto-detects the device, six system fan headers, and the EZ Conn header for MSI EZ fans and MSI liquid coolers.
Lane Map
Interface speed rating & capability relative to modern motherboard standardsRear I/O Bay
Exactly what appears on the back of your case
Will It Fit Your Build?
Check these before you add to cartProcessor — Core Ultra Series 2 only
Socket LGA1851 takes Intel Core Ultra (Series 2) desktop processors. It does not take 12th–14th Gen Core (LGA1700) chips.
Memory
DDR5 only: 4 slots, up to 256 GB, 6400–4800 MT/s JEDEC and up to 9200+ MT/s with XMP overclocking. CUDIMM supported.
Graphics & Storage
One PCIe 5.0 x16 slot, two PCIe 4.0 x4 slots, four M.2 (one PCIe 5.0 x4) and 4 × SATA.
Case
Standard ATX, 30.48 × 24.38 cm, with a pre-installed I/O shield.
Networking
Wi-Fi 7 with Bluetooth 5.4 and Intel Killer 5G LAN built in. Wi-Fi 7 needs Windows 11 24H2; 6GHz depends on local regulations.
Video Outputs
HDMI and DisplayPort over Thunderbolt 4 need a processor with integrated graphics; Core Ultra 'F' models have none.
Full Specification Sheet
MSI MAG Z890 TOMAHAWK WIFI| CPU Socket | Intel LGA1851 |
| CPU Support | Intel Core Ultra Processors (Series 2) |
| Chipset | Intel Z890 |
| Form Factor | ATX, 30.48 × 24.38 cm |
| Power Design | 16+1+1+1 Duet Rail, 90A SPS, 2 × 8-pin CPU power |
| Memory | 4 × DDR5 UDIMM, dual channel, up to 256 GB, CUDIMM supported |
| Memory Speed | 6400–4800 MT/s JEDEC, up to 9200+ MT/s OC (Intel XMP 3.0) |
| Expansion Slots | PCI_E1 PCIe 5.0 x16 (CPU), PCI_E2 / PCI_E3 PCIe 4.0 x4 (chipset) |
| M.2 Storage | M.2_1 PCIe 5.0 x4 and M.2_2 PCIe 4.0 x4 (CPU); M.2_3 PCIe 4.0 x4 and M.2_4 PCIe 4.0 x4 / SATA (chipset) |
| SATA / RAID | 4 × SATA 6Gb/s; RAID 0/1/5/10 for SATA and M.2 NVMe |
| Thunderbolt | 2 × Thunderbolt 4 USB-C (rear, 40Gbps, 15W, DisplayPort 2.1); Thunderbolt 5 card header |
| Wireless | Wi-Fi 7 (Intel Killer BE1750x, up to 5.8 Gbps, 320MHz) + Bluetooth 5.4 |
| LAN | Intel Killer 5G LAN |
| Audio | Realtek ALC1220P 7.1-channel, optical S/PDIF out |
| Rear USB | 2 × Thunderbolt 4, 1 × USB 10Gbps Type-C, 3 × USB 10Gbps Type-A, 4 × USB 5Gbps Type-A |
| Internal USB | 1 × USB-C 20Gbps front header (27W PD), 1 × USB 5Gbps header (2 ports), 2 × USB 2.0 headers (4 ports) |
| Video Outputs | HDMI 2.1 (4K 120Hz) and DisplayPort over Thunderbolt 4 (integrated graphics) |
| Headers & Debug | CPU fan, 3A pump/fan combo, 6 × system fan, EZ Conn, 3 × ARGB V2, 1 × RGB, EZ Debug LEDs + EZ Digi-Debug LED |
