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Rectangular ATX motherboard with black PCB, silver heatsinks, four DDR4 slots, multiple PCIe slots, rear I/O shield visible

GIGABYTE

GIGABYTE GA-Z170X-UD3 rev. 1.0 Intel motherboard

SKU CH-P5CK-E9FC6

LGA 1151 ATX board with Intel Z170 chipset, four DDR4 slots up to 64 GB, one PCIe 3.0 x16 and one x8 slot, three SATA Express, six SATA 6 Gb/s, two M.2 sockets.

  • ProcessorCore i7 / i5 / i3 / Pentium / Celeron (LGA1151)* For 7th Gen
  • ChipsetIntel Z170
  • Form factorATX
  • CPU socketLGA 1151
  • Onboard video chipIntegrated Graphics Processor - Intel HD Graphics support:1
  • Memory slot count4 × 288pin (DDR4)
  • Supports 6th- and 7th-generation Intel Core CPUs on LGA 1151 socket
  • Four DDR4 slots accept up to 64 GB dual-channel memory
  • Three PCIe 3.0 x16 slots plus three PCIe 3.0 x1 slots for expansion
  • Six SATA 6 Gb/s ports and three SATA Express connectors for storage
  • Realtek ALC1150 codec delivers 7.1-channel high-definition audio

Z170 ATX platform for LGA 1151 CPUs

The board uses the Intel Z170 chipset in an ATX layout and accepts 6th and 7th Generation Core i7, i5, i3, Pentium and Celeron processors in the LGA 1151 socket. Four 288-pin DDR4 slots run in dual-channel mode and support memory speeds from 2133 up to 3466 when overclocked, with a maximum capacity of 64 GB. Expansion includes one PCIe 3.0 x16 slot, a second x16 slot wired at x8, a third at x4 and three x1 slots, all conforming to the 3.0 standard.

Passive cooling and modest power draw

The chipset and voltage-regulator area are cooled by heatsinks without dedicated fans, so acoustic output is limited to case and CPU coolers. Intel GbE LAN and the Realtek ALC1150 audio codec add negligible load, while the six SATA 6 Gb/s ports, three SATA Express connectors and two M.2 sockets draw only the power required by attached drives. Typical idle consumption stays low because no active components spin on the board itself.

Steady operation under prolonged load

During extended workloads the VRM heatsinks absorb heat from the CPU power phases without throttling, provided the chassis supplies adequate airflow. PCIe 3.0 links remain stable at x16, x8 and x4 widths, and the dual-channel memory controller sustains the configured DDR4 frequency without errors. Storage throughput across the six SATA and three SATA Express ports stays consistent, and the Intel LAN controller maintains 1 Gbps line rate for long transfers.

How it compares

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

Price $120.99
Pricier than about 61% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameGIGABYTE
Model nameGA-Z170X-UD3 (rev. 1.0)
Processor
ProcessorCore i7 / i5 / i3 / Pentium / Celeron (LGA1151)* For 7th Generation Intel Core processors support need to update the latest BIOS.
CPU socketLGA 1151
ChipsetIntel Z170
Memory
Memory slot count4 × 288pin (DDR4)
Supported memoryDDR4 3466*(*O.C.)/ 3400*/ 3333*/ 3300*/ 3200*/ 3000*/ 2800*/ 2666*/ 2400*/ 2133
Max supported RAM64 GB
Memory channelsDual Channel
Storage
SATA ports6 x SATA 6Gb/s connectors
M.2 slots2 x M.2 Socket 3 connectors
SATA and RAID support0/1/5/10
Graphics
Onboard video chipIntegrated Graphics Processor - Intel HD Graphics support:1 x D-Sub port, supporting a maximum resolution of 1920 × 1200@60 Hz1 x DVI-D port, supporting a maximum resolution of 1920 × 1200@60 Hz* The DVI-D port does not support D-Sub connection by adapter.1 x HDMI port, supporting a maximum resolution of 4096 × 2160@24 Hz* Support for HDMI 1.4 version.Support for up to 3 displays at the same timeMaximum shared memory of 512MBMulti-Graphics Technology Support for 3-Way/2-Way AMD CrossFire and 2-Way NVIDIA SLI Technology
Audio & video
Audio chipRealtek ALC1150
Sound channels2/4/5.1/7.1-channel
Connectivity
Ethernet controllerIntel GbE LAN chip
Maximum network speed1 Gbit/s
Ports & slots
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/mouse port
Video connectors1 x D-Sub port1 x DVI-D port
HDMI ports1 x HDMI
Ethernet port1 x RJ45
USB 3.1 ports1 x USB Type-C Port, with USB 3.1 support1 x USB 3.1 port
S/PDIF output1 x optical S/PDIF Out connector
Audio jacks5 x audio jacks (Center/Subwoofer Speaker Out, Rear Speaker Out, Line In, Line Out, Mic In)
Onboard USB headers2 x USB 3.0/2.0 headers2 x USB 2.0/1.1 headers
Power
Power connectors24 Pin
Size & build
Form factorATX
Width and length12.01 in × 9.25 in
More details
SATA express3 x SATA Express connectors

Questions about this item

How do I install the board in an ATX case and which standoff alignment step is often missed?

Mount the ATX board using all nine standard standoffs, then double-check that the extra standoff near the rear I/O cut-out is fitted so the board cannot flex when you tighten the 24-pin and 8-pin power connectors.

What maintenance or replacement will the Realtek ALC1150 audio subsystem need over time?

The codec itself is solid-state and needs no service; only the electrolytic capacitors on the audio PCB section may age after several years and can be swapped individually if noise appears.

What thermal limit appears first when the VRM runs sustained heavy loads?

The heatsink on the CPU power phase area saturates first, so case airflow must keep VRM temperatures below the throttle point of the attached processor.

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