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ATX motherboard with black PCB silver heatsinks and silver I/O shield

GIGABYTE

GIGABYTE Z370 HD3 (rev. 1.0) Intel motherboard

SKU CH-1P95-AX860

ATX board for 8th Gen Intel Core CPUs with four DDR4 slots up to 64 GB, one PCIe x16 slot, six SATA ports, one M.2 socket, HDMI and DVI video outputs, Intel gigabit LAN and Realtek 7.1 audio

  • ProcessorOnly Support for 8th Generation Intel Core i7 / i5 / i3 proc
  • ChipsetIntel Z370
  • Form factorATX
  • CPU socketLGA 1151 (300 Series)
  • Onboard video chipIntegrated Graphics Processor-Intel HD Graphics support:1 x
  • Memory slot count4 × 288pin (DDR4)
  • Supports 8th generation Intel Core processors with LGA 1151 socket
  • Dual-channel DDR4 memory up to 64 GB across four slots
  • HDMI and DVI-D outputs drive integrated graphics at 1920x1200
  • Six SATA 6 Gb/s ports plus one M.2 slot for storage expansion
  • Intel gigabit LAN and Realtek ALC892 audio with 7.1-channel support

Z370 chipset for 8th Gen Intel Core

This ATX motherboard uses the Intel Z370 chipset and the LGA 1151 socket limited to 300 Series processors. It accepts 8th Generation Core i7, i5 and i3 CPUs only and will not work with earlier LGA 1151 chips. Four 288pin DDR4 slots support up to 64GB in dual channel mode. The board targets builders who want a mainstream platform with overclocking headroom for 8th Gen CPUs.

Sustained load with Smart Fan 5 cooling

The VRM area and chipset are managed by Smart Fan 5 headers that adjust speed based on multiple onboard temperature sensors. Under prolonged heavy CPU or memory loads the fan curves ramp gradually to keep component temperatures stable without sudden noise spikes. Six SATA 6Gb/s ports and one M.2 Socket 3 M key connector handle storage traffic continuously at rated speeds. The Intel GbE LAN chip maintains 1Gbps throughput during long transfers.

ATX layout with standard mounting and clear I/O

The board follows the ATX form factor with standard screw holes that align with common chassis standoffs. Back I/O includes HDMI, DVI-D, PS/2 combo, two USB 2.0/1.1 and four USB 3.1 Gen 2 Type-A ports. Installers sometimes forget that the DVI-D port does not accept a D-Sub adapter, so a native DVI-D or HDMI display cable is required. The single full-length PCI Express 3.0 x16 slot and two x4 slots leave enough room for dual-slot graphics cards when populated correctly.

How it compares

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

Price $58.99
Cheaper than about 78% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameGIGABYTE
Model nameZ370 HD3 (rev. 1.0)
Processor
ProcessorOnly Support for 8th Generation Intel Core i7 / i5 / i3 processors in the LGA1151 package* Not backward compatible with older generation of LGA 1151 CPUs
CPU socketLGA 1151 (300 Series)
ChipsetIntel Z370
Memory
Memory slot count4 × 288pin (DDR4)
Supported memoryDDR4 4000(O.C.)/ 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/ 2400/ 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 ALC892
Sound channels2/4/5.1/7.1-channelSupport for S/PDIF Out
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.2 x PCI Express x16 slots, running at x4 (PCIEX4_1, PCIEX4_2)
PCIe x1 slots3 x PCI Express x1 slots(All of the PCI Express slots conform to PCI Express 3.0 standard.)
Rear panel ports1 x HDMI / 1 x PS/2 Keyboard/Mouse Combo / 2 x USB 2.0/1.1 / 4 x USB 3.1 Gen 2 Type-A
PS/2 ports1 x PS/2 keyboard/mouse port
Video connectors1 x DVI-D port
HDMI ports1 x HDMI
Ethernet port1 x RJ45
USB 3.1 ports4 x USB 3.1 Gen 1 ports
USB 2.0 ports2 x USB 2.0
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 headers2 x USB 2.0/1.1 headers
Power
Power connectors1 × 24-pin ATX main power connector1 × 8-pin ATX 12 V power connector
Size & build
Form factorATX
Width and length12.0 in × 8.9 in
More details
LightingRGB

Questions about this item

How does the Smart Fan 5 Cooling on the Z370 HD3 handle heat during all-day loads?

Smart Fan 5 Cooling uses multiple temperature headers and hybrid fan pins to adjust speeds automatically, keeping the Intel Z370 chipset and VRM area cool under sustained 8th Gen Core workloads

Which CPU and memory must I already have for this LGA 1151 (300 Series) board to post?

You need an 8th Generation Intel Core i7, i5 or i3 processor in the LGA1151 package plus DDR4 modules — 288-pin, up to 64 GB across four slots, running at 2133 to 4000 MT/s (OC)

Can I keep my existing SATA SSDs and PCIe 3.0 add-in cards when moving to this Z370 HD3?

Yes — six SATA 6Gb/s ports support current SSDs and HDDs, while one PCIe 3.0 x16 slot and three PCIe 3.0 x1 slots accept existing graphics, sound or networking cards

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