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White EATX motherboard with silver heatsinks and two black DDR5 slots

GIGABYTE

GIGABYTE Z890 A TACHYON D X E Intel motherboard

SKU CH-CGMM-J86G0 MPN Z890 A TACHYON D X E

EATX Intel Z890 board for Core Ultra Series 2 with 18+1+2 power phases, dual DDR5 slots to 256 GB at 10400 MT/s, four M.2 sockets, two PCIe 5.0 x16 slots, Thunderbolt 4, WiFi7 and 5 GbE LAN

  • ProcessorIntel Core Ultra Processors (LGA1851)
  • ChipsetIntel Z890
  • Form factorExtended ATX
  • CPU socketLGA 1851
  • South bridgeIntel Z890 Express
  • Onboard video chipIntel HD Graphics
  • Supports Intel Core Ultra Series 2 processors via LGA 1851 socket
  • 18+1+2 twin digital VRM phases deliver steady power with 8-layer PCB
  • D5 Duo X technology enables DDR5 10400 MT/s with up to 256 GB capacity
  • Four M.2 slots plus PCIe 5.0 x16 and x8 slots for high-speed expansion
  • WiFi7, Bluetooth 5.4 and 5 GbE LAN provide fast wireless and wired connectivity

LGA 1851 Intel Z890 EATX motherboard

The GIGABYTE Z890 A TACHYON D X E is an EATX motherboard built on the Intel Z890 chipset for Core Ultra Series 2 processors in the LGA 1851 socket. It targets enthusiasts and overclockers who want a high-phase power design and extensive high-speed expansion in a dual-channel DDR5 platform.

Verify EATX clearance and two-slot memory plan

Confirm your chassis accepts an EATX form factor before ordering, as this board exceeds standard ATX dimensions. The board provides only two 288-pin DDR5 slots supporting up to 256 GB total, so choose a matched 2-module kit rather than a four-module kit. Ensure your power supply delivers enough 12 V current for the 18+1+2 phase VRM under heavy loads.

Screwless M.2 shields and front-panel Thunderbolt 4

Four M.2 slots include tool-free heatsink clips that speed up SSD installation and removal without losing tiny screws. A front-panel Thunderbolt 4 header lets compatible cases expose a 40 Gb/s Type-C port for external storage or docks. The 5 GbE LAN and WiFi7 with directional antenna improve wired and wireless throughput for large transfers.

How it compares

Measured against everything we stock in Motherboards for Intel CPUs, at today’s prices. Recalculated every night.

Price $421.99
Pricier than about 91% of the 2,965 comparable items (median $97.99).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameGIGABYTE
Product lineAORUS
Processor
ProcessorIntel Core Ultra Processors (LGA1851)
CPU socketLGA 1851
ChipsetIntel Z890
Memory
Memory slot count2 × 288pin (DDR5)
Supported memoryDDR5 10400
Max supported RAM256 GB
Memory channelsDual Channel
Memory profilesIntel XMP
ECC supportYes
BufferingUn-buffered
Storage
SATA ports4 x SATA 6Gb/s
M.2 slots4 x M.2 (Support PCIe 5.0 x4, PCIe 4.0 x4 & SATA)
SATA and RAID support0/1/5/10
Graphics
Onboard video chipIntel HD Graphics
Audio & video
Audio chipRealtek ALC1220
Sound channels7.1 Channels
Connectivity
Ethernet controllerRealtek 5GbE
Maximum network speed5 Gbit/s
Wi-Fi standardWiFi IEEE 802.11 a / b / g / n / ac / ax / be
Bluetooth supportYes
Ports & slots
PCIe 5.0 x16 slots2 x PCI Express 5.0 x16
PCIe 4.0 x16 slots2 x PCI Express 4.0 x16
PCIe x16 slots2 x PCI Express x16
Rear panel ports1 x Q-Flash Plus button, 1 x Protection Mode button, 1 x PS/2 keyboard port, 1 x PS/2 mouse port, 2 x antenna connectors, 1 x USB Type-C port (USB 3.2 Gen 2 × 2), 5 x USB 3.2 Gen 2 Type-A ports (red), 1 x RJ-45 port, 1 x optical S/PDIF Out connector, 2 x audio jacks
PS/2 ports1 x PS/2 keyboard/mouse port
Video connectorsUSB Type-C
Ethernet port1 x RJ45
Thunderbolt ports1 x Thunderbolt Port
USB 3.1 ports8 x USB 3.1
USB 3.0 ports7 x USB 3.0
USB 2.0 ports2 x USB 2.0/1.1 ports
USB-C ports1 x USB4® USB Type-C® port onboard, 1 x USB Type-C® port, with USB 3.2 Gen 2 × 2 support, 1 x USB Type-C® port with USB 3.2 Gen 2 support
S/PDIF output1 x Optical
Audio jacks2 Ports
Onboard USB headers1 x USB Type-C® header, with USB 3.2 Gen 2 + 1 x USB 3.2 Gen 1 header + 1 x USB 2.0/1.1 header
Power
Power connectors24 Pin
Size & build
Form factorExtended ATX
Width and length30.5 cm × 28.5 cm
Shipping weight3.13 kg
Package size378 × 330 × 99 mm
Compatibility
Windows 11 supportSupported
More details
South bridgeIntel Z890 Express
PCI express x81 x PCI Express x8
LightingRGB

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