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GIGABYTE

GIGABYTE GA-Z270X-UD3 rev 1.0 Intel motherboard

SKU CH-N054-7JXMP

ATX board for LGA 1151 CPUs with Z270 chipset, four DDR4 slots up to 64 GB, one PCIe 3.0 x16, three PCIe x1, six SATA 6Gb/s, one SATA Express, one M.2, Realtek ALC1220 audio and Intel GbE LAN

  • ProcessorCore i7 / i5 / i3 / Pentium / Celeron (LGA1151)
  • ChipsetIntel Z270
  • Form factorATX
  • CPU socketLGA 1151
  • CPU technologies* Not Compatible with Intel 8th Gen CPUs
  • Memory slot count4 × 288pin (DDR4)
  • Supports 7th-gen Intel Core on LGA 1151 socket
  • Dual-channel DDR4 up to 3866 MHz overclocked
  • Intel Z270 chipset with PCIe 3.0 x16 graphics slot
  • Realtek ALC1220 audio for 7.1-channel surround sound
  • M.2 and SATA Express for fast storage options

Socket LGA 1151 Z270 ATX board

The GIGABYTE GA-Z270X-UD3 rev 1.0 is an ATX motherboard built around the Intel Z270 chipset for 6th and 7th generation Core i7, i5, i3, Pentium and Celeron processors. It provides four 288-pin DDR4 slots supporting dual-channel memory up to 64GB with overclocked speeds ranging from 2133 to 3866 MT/s. The board targets builders who need a full-size layout with a single full-speed PCI Express 3.0 x16 slot.

Verify CPU generation and cooler clearance

This revision is not compatible with Intel 8th generation CPUs, so confirm the processor is a supported LGA 1151 model before ordering. The primary PCIEX16 slot runs at x16, but adding a card in the PCIEX8 slot reduces the primary to x8 mode, while the PCIEX4 slot provides an additional x4 link. Ensure the chosen CPU cooler fits the ATX mounting holes and does not block the four memory slots or the three PCI Express x1 slots.

Realtek ALC1220 audio and Intel gigabit LAN

Onboard sound uses the Realtek ALC1220 codec with 2, 4, 5.1 and 7.1-channel output options, while networking is handled by an Intel GbE LAN controller limited to 1Gbps. Storage includes six SATA 6Gb/s ports, one SATA Express connector and a single M.2 Socket 3 M-key slot accepting 2242, 2260, 2280 and 22110 drives with both SATA and PCIe x4 or x2 signalling. The rear panel supplies an HDMI port capable of 4096 horizontal resolution for integrated graphics.

How it compares

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

Price $92.99
Typical for this category: the median of 2,965 items is $97.99.

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Specifications

Product
Brand nameGIGABYTE
Model nameGA-Z270X-UD3 (rev. 1.0)
Processor
ProcessorCore i7 / i5 / i3 / Pentium / Celeron (LGA1151)
CPU socketLGA 1151
ChipsetIntel Z270
CPU technologies* Not Compatible with Intel 8th Gen CPUs
Memory
Memory slot count4 × 288pin (DDR4)
Supported memoryDDR4 3866(O.C.)/ 3800(O.C.)/ 3733(O.C.)/ 3666(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3400(O.C.)/ 3333(O.C.)/ 3300(O.C.)/ 3200(O.C.)/ 3000(O.C.)/ 2800(O.C.)/ 2666(O.C.)/ 2400(O.C.)/ 2133
Max supported RAM64 GB
Memory channelsDual Channel
Storage
SATA ports6 x SATA 6Gb/s
M.2 slots1 x M.2 connector (Socket 3, M key, type 2242/2260/2280/22110 SATA and PCIe x4/x2 SSD support)
SATA and RAID support0/1/5/10
Audio & video
Audio chipRealtek ALC1220
Sound channels2/4/5.1/7.1-channel
Connectivity
Ethernet controllerIntel GbE LAN chip
Maximum network speed1 Gbit/s
Ports & slots
PCIe 3.0 x16 slots1 x PCI Express x16 slot, running at x16 (PCIEX16)/* For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot.//1 x PCI Express x16 slot, running at x8 (PCIEX8)/* The PCIEX8 slot shares bandwidth with the PCIEX16 slot. When the PCIEX8 slot is populated, the PCIEX16 slot operates at up to x8 mode.//1 x PCI Express x16 slot, running at x4 (PCIEX4)
PCIe x1 slots3 x PCI Express x1 slots//(All of the PCI Express slots conform to PCI Express 3.0 standard.)
PS/2 ports1 x PS/2 keyboard port/1 x PS/2 mouse port
HDMI ports1 x HDMI
Ethernet port1 x RJ45
USB 3.1 ports1 x USB Type-C port, with USB 3.1 Gen 2 support/1 x USB 3.1 Gen 2 Type-A port (red)/6 x USB 3.1 Gen 1 ports
Audio jacks6 x audio jacks (Center/Subwoofer Speaker Out, Rear Speaker Out, Side Speaker Out, Line In, Line Out, Mic In)
Onboard USB headers2 x USB 3.1 Gen 1 headers/2 x USB 2.0/1.1 headers
Power
Power connectors24 Pin
Size & build
Form factorATX
Width and length12.0 in × 8.9 in
More details
SATA express1 x SATA Express connector

Questions about this item

What comes in the box with the GA-Z270X-UD3 rev 1.0 and what must I buy separately?

The motherboard itself is included; you must purchase a compatible LGA 1151 processor, DDR4 memory modules, storage drives, a graphics card if your CPU lacks integrated graphics, and a power supply separately.

Which DDR4 speed should I choose for the four 288-pin slots to reach 64 GB?

The board supports DDR4 from 2133 up to 3866 (O.C.); pick a matched 4-module kit within that range — 3200 or 3600 MHz kits are common sweet spots — to fill all four slots and hit the 64 GB maximum.

What does the single PCI Express 3.0 x16 slot running at x16 mean once a graphics card is installed?

It provides a full x16 electrical link to the CPU for one graphics card; adding a card in the second x16-sized slot drops the primary slot to x8 because the two slots share bandwidth.

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