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ATX motherboard with black PCB, silver heatsinks, blue PCIe slots, rear I/O panel visible

GIGABYTE

GIGABYTE GA-Z170-HD3 Intel motherboard

SKU CH-KG5W-Q79S5

LGA 1151 ATX board with Z170 chipset, DDR4 support, six SATA 6Gb/s ports, three SATA Express connectors, one M.2 Socket 3 slot, HDMI, DVI-D, D-Sub video, Realtek ALC887 7.1-channel audio.

  • Supports 6th-gen Intel Core CPUs via LGA 1151 socket
  • Triple video outputs include HDMI up to 4096×2160@24 Hz
  • Six SATA 6 Gb/s ports plus M.2 Socket 3 for fast storage
  • Realtek ALC887 codec delivers 7.1-channel high-definition audio
  • Gigabit LAN plus four USB 3.0 and two USB 2.0 ports

Socket LGA 1151 Z170 board

The GA-Z170-HD3 is an ATX motherboard built around the Intel Z170 chipset for LGA 1151 processors. It provides four DDR4 memory slots and a full set of modern expansion interfaces. The board includes integrated graphics outputs and a Realtek audio and LAN solution. It suits builders assembling a new system on this platform.

Suits single-GPU builds with legacy slots

This board suits users who need one full-size PCIe 3.0 x16 slot plus a second slot wired at x4, along with two PCIe x1 and two legacy PCI slots. It also provides an M.2 Socket 3 connector and six SATA 6Gb/s ports. Builders who require multiple x16 lanes for multi-GPU arrays or who need newer high-speed interfaces not listed here should consider other options.

Storage and I/O headroom

Six SATA 6Gb/s connectors and three SATA Express connectors give ample room for hard drives and SATA SSDs, while the single M.2 Socket 3 slot adds a fast-boot drive option. The rear panel supplies four USB 3.0 ports, two USB 2.0 ports, PS/2, Gigabit LAN, HDMI, DVI-D and D-Sub video, plus 7.1-channel audio jacks. Internal headers add further USB and fan connections for a typical build.

Highlights

  • Supports 6th-gen Intel Core CPUs via LGA 1151 socket
  • Triple video outputs include HDMI up to 4096×2160@24 Hz
  • Six SATA 6 Gb/s ports plus M.2 Socket 3 for fast storage
  • Realtek ALC887 codec delivers 7.1-channel high-definition audio
  • Gigabit LAN plus four USB 3.0 and two USB 2.0 ports

Specifications

BrandGIGABYTE
ModelGA-Z170-HD3

Questions about this item

Will this GA-Z170-HD3 board power on with just the 24-pin ATX connector, or is the 8-pin ATX 12V connector also required?

Both the 24-pin ATX main power connector and the 8-pin ATX 12V power connector must be connected for the board to operate.

Can I keep using my existing PCI sound card and PCI TV tuner alongside a modern graphics card in the PCIEX16 slot?

Yes, the board provides two legacy PCI slots that remain functional while a graphics card occupies the PCI Express 3.0 x16 slot.

How do I confirm the Realtek ALC887 audio codec is running 7.1-channel output after I install the drivers?

Open the Realtek Audio Console, select the 7.1 speaker configuration, then run the built-in speaker test to hear a tone from each of the eight channels.

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