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Green ATX motherboard with silver heatsinks, four DDR4 slots, single PCIe x16 slot, M.2 slot, six SATA ports

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

  • CPU Socket TypeLGA 1151
  • CPU TypeCore i7 / i5 / i3 / Pentium / Celeron (LGA1151)
  • Supported CPU Technologies* Not Compatible with Intel 8th Gen CPUs
  • ChipsetIntel Z270
  • Number of Memory Slots4x288pin (DDR4)
  • Memory StandardDDR4 3866(O.C.)/ 3800(O.C.)/ 3733(O.C.)/ 3666(O.C.)/ 3600(O.
  • 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.

Highlights

  • 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

Specifications

BrandGIGABYTE
ModelGA-Z270X-UD3 (rev. 1.0)
CPU Socket TypeLGA 1151
CPU TypeCore i7 / i5 / i3 / Pentium / Celeron (LGA1151)
Supported CPU Technologies* Not Compatible with Intel 8th Gen CPUs
ChipsetIntel Z270
Number of Memory Slots4x288pin (DDR4)
Memory StandardDDR4 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
Maximum Memory Supported64GB
Channel SupportedDual Channel
PCI Express 3.0 x161 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)
PCI Express x13 x PCI Express x1 slots//(All of the PCI Express slots conform to PCI Express 3.0 standard.)
Serial ATA (SATA)6 x SATA 6Gb/s
SATA Express1 x SATA Express connector
M.21 x M.2 connector (Socket 3, M key, type 2242/2260/2280/22110 SATA and PCIe x4/x2 SSD support)
SATA RAID0/1/5/10
Audio ChipsetRealtek ALC1220
Audio Channels2/4/5.1/7.1-channel
LAN ChipsetIntel GbE LAN chip
Max LAN Speed1Gbps
PS/21 x PS/2 keyboard port/1 x PS/2 mouse port
HDMI1 x HDMI
RJ451 x RJ45
USB 3.11 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 Ports6 x audio jacks (Center/Subwoofer Speaker Out, Rear Speaker Out, Side Speaker Out, Line In, Line Out, Mic In)
Onboard USB2 x USB 3.1 Gen 1 headers/2 x USB 2.0/1.1 headers
Other Connectors1 x 24-pin ATX main power connector/1 x 8-pin ATX 12V power connector/1 x CPU fan header/3 x system fan headers/1 x front panel header/1 x front panel audio header/1 x S/PDIF Out header/1 x Trusted Platform Module (TPM) header/1 x Thunderbolt add-in card connector/1 x serial port header/1 x parallel port header/1 x Clear CMOS jumper
Form FactorATX
Dimensions (W x L)12.0" x 8.9"
Power Pin24 Pin
FeaturesMulti-Graphics Technology/- Support for NVIDIA Quad-GPU SLI and 2-Way NVIDIA SLI technologies/- Support for AMD Quad-GPU CrossFireX and 3-Way/2-Way AMD CrossFire technologies//I/O Controller/- iTE I/O Controller Chip//Hardware Monitor/- Voltage detection/- Temperature detection/- Fan speed detection/- Overheating warning/- Fan fail warning/- Fan speed control/* Whether the fan (pump) speed control function is supported will depend on the fan (pump) you install.//BIOS/- 2 x 64 Mbit flash/- Use of licensed AMI UEFI BIOS/- Support for DualBIOS/- PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7,

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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