Gigabyte Z390 UD Motherboard

Gigabyte Z390 UD

Brand
Gigabyte
Model
Z390 UD
$180–$199estimated range · from catalog price Sep 1, 2026

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.

TierHigh end?GixCore tierWhat a part was built to do — not what it costs.EntryBudgetMainstreamHigh endEnthusiastFlagship A part can be cheap because it is an ageing flagship, or because it is a current entry-level model. The tier tells you which.
ReleasedOct 2018
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SocketLGA1151
ChipsetZ390
MemoryDDR4
Max RAM speed4266 MHz
Form factorATX
RAM slots4
M.2 slots1
PCIe x162
GixCore Editorial

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. It’s part of Intel’s 300‑series Z390 family and supports 8th/9th‑gen Core processors.SourcePCWorldSourcegigabyte.com

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 lists Rev. 1.0 as “Legacy”; no official discontinuation date is published.Sourcegigabyte.com

Best for
  • overclocking
  • high-speed memory
  • first-time builders

Specifications

At a glance iEach dot represents a catalog model. Farther right means a higher measured value, not necessarily a better fit.Measured against the motherboards catalog
Current modelCatalog models
Max RAM speed4266 MHz
Higher than 16% of motherboards
RAM slots4
Higher than 93% of motherboards
M.2 slots1
Higher than 19% of motherboards
Socket
LGA1151
Memory
DDR4
WiFi
No
Integrated Graphics
Yes
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
Pairing fit

Compatible CPUs

Compatible options ranked for this part's performance class.

Budget pairings6 lower-tier compatible options
Pairing fit

Compatible RAM kits

Compatible options ranked for this part's performance class.

Budget pairings6 lower-tier compatible options
Pairing fit

Compatible Cases

Compatible options ranked for this part's performance class.

Budget pairings6 lower-tier compatible options
Pairing fit

Compatible Power supplies

Compatible options ranked for this part's performance class.

Budget pairings6 lower-tier compatible options