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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

  • CPU Socket TypeLGA 1851
  • CPU TypeIntel Core Ultra Processors (LGA1851)
  • ChipsetIntel Z890
  • South BridgeIntel Z890 Express
  • Onboard Video ChipsetIntel HD Graphics
  • Number of Memory Slots2x288pin (DDR5)
  • 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.

Highlights

  • 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

Specifications

BrandGIGABYTE
SeriesAORUS
CPU Socket TypeLGA 1851
CPU TypeIntel Core Ultra Processors (LGA1851)
ChipsetIntel Z890
South BridgeIntel Z890 Express
Onboard Video ChipsetIntel HD Graphics
Number of Memory Slots2x288pin (DDR5)
Memory StandardDDR5 10400
Maximum Memory Supported256GB
Channel SupportedDual Channel
Memory Performance ProfileIntel XMP
ECC SupportedYes
Buffer SupportedUn-buffered
PCI Express 5.0 x162 x PCI Express 5.0 x16
PCI Express 4.0 x162 x PCI Express 4.0 x16
PCI Express x162 x PCI Express x16
PCI Express x81 x PCI Express x8
Serial ATA (SATA)4 x SATA 6Gb/s
M.24 x M.2 (Support PCIe 5.0 x4, PCIe 4.0 x4 & SATA)
SATA RAID0/1/5/10
Audio ChipsetRealtek ALC1220
Audio Channels7.1 Channels
LAN ChipsetRealtek 5GbE
Max LAN Speed5Gbps
Wireless LANWiFi IEEE 802.11 a / b / g / n / ac / ax / be
BluetoothYes
Back I/O 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 2x2), 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/21 x PS/2 keyboard/mouse port
Video PortsUSB Type-C
RJ451 x RJ45
Thunderbolt Ports1 x Thunderbolt Port
USB 3.18 x USB 3.1
USB 3.07 x USB 3.0
USB 1.1/2.02 x USB 2.0/1.1 ports
USB Type-C1 x USB4® USB Type-C® port onboard, 1 x USB Type-C® port, with USB 3.2 Gen 2x2 support, 1 x USB Type-C® port with USB 3.2 Gen 2 support
S/PDIF Out1 x Optical
Audio Ports2 Ports
Onboard USB1 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
Windows 11Supported
Form FactorExtended ATX
LED LightingRGB
Dimensions (W x L)30.5cm x 28.5cm
Power Pin24 Pin
Shipping weight3.13 kg
Package size378 × 330 × 99 mm

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