Gigabyte Z390 UD
Gigabyte Z390 UD is a 2018 ATX Z390 LGA1151 board for 8th/9th‑gen Intel with 4×DDR4, 1×NVMe M.2, 6×SATA, 2‑way CrossFire, Realtek 8118 LAN; overclocking‑ready.
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Product overview
Released in October 2018 alongside Intel’s Z390 platform and 9th‑gen Coffee Lake Refresh, the Gigabyte Z390 UD is an ATX LGA1151 board; in Japan, it went on sale on October 9, 2018. ([pcworld.com](https://www.pcworld.com/article/401964/intel-z390-chipset-motherboard-specs-features.html?utm_source=openai)) It’s part of Intel’s 300‑series Z390 family and supports 8th/9th‑gen Core processors. ([gigabyte.com](https://www.gigabyte.com/Motherboard/Z390-UD-rev-10))
Positioned as a high_end Z‑series option, it exists to unlock CPU overclocking at a low entry cost.
It’s well‑suited to overclocking and high‑capacity DDR4 builds (4 DIMMs, up to 128 GB), plus straightforward gaming or creator rigs: one NVMe PCIe 3.0 x4 22110 M.2 slot, six SATA 6 Gb/s, two x16‑length PCIe slots with 2‑way CrossFire, Realtek 8118 GbE, and HDMI for iGPU; no onboard Wi‑Fi. ([gigabyte.com](https://www.gigabyte.com/Motherboard/Z390-UD-rev-10)) Gigabyte lists Rev. 1.0 as “Legacy”; no official discontinuation date is published. ([gigabyte.com](https://www.gigabyte.com/Motherboard/Z390-UD-rev-10))
- overclocking
- high-speed memory
- first-time builders
Product highlights
- Supports 9th and 8th Intel Core processors
- Dual channel Non-ECC Unbuffered DDR4, 4 DIMMs
- New 10+2 Phases digital PWM design
- NVME PCIe Gen3 x4 22110 M.2 Connector
- Multi-way Graphics support with PCIe Armor and ultra-durable design
- Gigabyte exclusive 8118 Gaming LAN with bandwidth management
- Support RGB Light strip in full colors
- CEC 2019 ready, save power with a simple click
- Smart Fan 5 features multiple temperature sensors and hybrid fan headers with fan stop
Specifications
- Socket
- LGA1151
- WiFi
- No
- Integrated Graphics
- Yes
- Compatible Memory
- DDR4
- USB
- 3.1
- Max Memory Size
- 128 GB
- ECC Support
- No
- Chipset
- Z390
- Max RAM speed
- 4266 MHz
- Form factor
- ATX
- RAM slots
- 4
- M.2 slots
- 1
- PCIe x16
- 2
- Processor Generation
- 8, 9
- Pci E
- 3.0
- M 2
- PCI-E
- Sata Slots
- 6
- Sata Speed
- 6 Gb/s
- Pci E Slots
- 2
- Tdp
- 50 W
- Nvme
- Yes
- Pci E X1
- 3
- Cpu Brand
- Intel
