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

GIGABYTE

GIGABYTE Z390 GAMING X Intel motherboard

SKU CH-RC6T-E7886

ATX board for Intel 8th and 9th Gen CPUs with dual-channel DDR4 up to 64 GB, two M.2 slots, six SATA 6Gb/s ports, Intel gigabit LAN, HDMI 1.4 output and RGB lighting

  • CPU socketLGA 1151 (300 Series)
  • ChipsetIntel Z390
  • Form factorATX
  • Onboard video chipIntegrated Graphics Processor - Intel HD Graphics support: 1
  • Memory slot count4 × 288pin (DDR4)
  • Supported memoryDDR4 2666/ 2400/ 2133
  • Supports 8th and 9th Gen Intel Core processors via LGA 1151 socket
  • Dual-channel DDR4 memory up to 64 GB across four 288-pin slots
  • 10+2 phase digital VRM delivers stable power for overclocking
  • Intel Gigabit LAN provides 1 Gbps wired networking
  • Full-colour RGB lighting with Smart Fan 5 hybrid headers and fan-stop feature

Socket LGA 1151 Z390 ATX board

The GIGABYTE Z390 GAMING X is an ATX motherboard for Intel 8th and 9th Gen Core i9 i7 i5 i3 Pentium and Celeron processors. It uses the Intel Z390 chipset and the LGA 1151 300 Series socket. Four 288 pin DDR4 slots support up to 64GB in dual channel at 2666 2400 or 2133 speeds.

Integrated I/O shield and hybrid fan headers

An integrated I/O shield simplifies installation in the case. The rear panel includes one HDMI 1.4 port with HDCP 2.2 for 4096x2160 at 30Hz output from Intel HD Graphics. Six SATA 6Gb/s ports and two M.2 sockets handle SATA and PCIe x4 x2 SSDs in 2242 2260 2280 and 22110 lengths. Smart Fan 5 hybrid headers with FAN STOP let connected fans spin down at low load. A 10+2 phase digital VRM supplies the CPU. Realtek ALC892 audio provides 2 4 5.1 7.1 channel output with S/PDIF. Intel Gigabit LAN tops out at 1Gbps.

Check CPU generation and cooler clearance

Verify that your processor is an 8th or 9th Gen Intel Core i9 i7 i5 i3 Pentium or Celeron for the LGA 1151 300 Series socket. Confirm the power supply has the required 24 pin ATX and 8 pin EPS connectors for the 10+2 phase VRM. Ensure your case fits an ATX board and has room around the CPU socket for your chosen cooler. Plan storage around six SATA ports and two M.2 slots with the listed key lengths.

How it compares

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

Price $76.99
Cheaper than about 64% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameGIGABYTE
Model nameZ390 GAMING X
Processor
CPU socketLGA 1151 (300 Series)
ChipsetIntel Z390
Memory
Memory slot count4 × 288pin (DDR4)
Supported memoryDDR4 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) (M2A)
1 x M.2 connector (Socket 3, M key, type 2242/2260/2280 SATA and PCIe x4/x2 SSD support) (M2M)
Optane memory supportYes
SATA and RAID support0/1/5/10
Audio & video
Audio chipRealtek ALC892
Sound channels2/4/5.1/7.1-channel
Support 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.
1 x PCI Express x16 slot, running at x4 (PCIEX4)
PCIe x1 slots4 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
HDMI ports1 x HDMI
Ethernet port1 x RJ45
USB 3.1 ports1 x USB 3.1 Gen 2 Type-A port (red)
5 x USB 3.1 Gen 1 ports
USB 2.0 ports2 x USB 2.0
Audio jacks6 Ports
Onboard USB headers1 x USB 3.1 Gen 1 header
1 x USB 2.0/1.1 header
Power
Power connectors1 × 24-pin ATX main power connector
1 × 4-pin ATX 12 V power connector
1 × 8-pin ATX 12 V power connector
Size & build
Form factorATX
Width and length12.0 in × 8.9 in
Compatibility
Windows 11 supportSupported
More details
LightingRGB

Questions about this item

What resolution does the HDMI 1.4 port cap at for Intel HD Graphics?

The HDMI 1.4 port supports a maximum resolution of 4096x2160 at 30 Hz with HDCP 2.2 compliance.

What clearance does the ATX board and integrated I/O shield need in the case?

The board follows the standard ATX form factor and includes an integrated I/O shield, so it fits any ATX-compatible chassis with matching standoff holes.

How are the two M.2 slots keyed and which lengths do they accept?

Both slots use Socket 3 M-key; the primary M2A slot takes 2242, 2260, 2280 and 22110 drives, while M2M accepts 2242, 2260 and 2280 lengths.

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