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Full-size ATX motherboard in dark matte finish with four DDR4 slots and multiple expansion slots

GIGABYTE

GIGABYTE Z390 D LGA 1151 Intel motherboard

SKU CH-3GSG-NT6SA

ATX board for 8th and 9th Gen Intel Core CPUs with four DDR4 slots up to 128 GB, three PCIe 3.0 x16 slots, six SATA ports and one M.2 slot

  • ProcessorCore i7 / i5 / i3 (8th Gen, LGA1151)
  • ChipsetIntel Z390
  • Form factorATX
  • CPU socketLGA 1151 (300 Series)
  • Onboard video chipSupported only by CPU with integrated graphic
  • Memory slot count4 × 288pin (DDR4)
  • Supports 9th and 8th Gen Intel Core processors via LGA 1151 socket
  • Dual-channel DDR4 memory up to 128 GB with XMP profiles
  • Three PCI Express 3.0 x16 slots for multi-GPU configurations
  • Six SATA 6Gb/s ports plus one M.2 slot for storage flexibility
  • Realtek ALC887 7.1-channel audio and Intel Gigabit LAN for connectivity

Z390 chipset LGA 1151 motherboard

This ATX board uses the Intel Z390 chipset and the LGA 1151 socket to support 8th and 9th generation Core i9, i7, i5, i3, Pentium and Celeron processors. Four 288‑pin DDR4 slots accept up to 128 GB in dual‑channel mode. Three PCI Express 3.0 x16 slots and three x1 slots give room for graphics cards and add‑in boards.

Thermals noise and power draw

The board draws power through standard ATX and CPU connectors and runs at stock speeds with typical airflow. Integrated voltage regulation handles supported CPUs without extra cooling in normal desktop workloads. No onboard fan headers are described in the data, so case fans manage system noise.

Build quality connectors and mounting

Six SATA 6Gb/s ports and one M.2 socket provide storage options, with RAID 0, 1, 5, 10 supported on the SATA array. Realtek ALC887 delivers 7.1 channel audio and a Realtek GbE LAN chip supplies 1 Gbps wired networking. Rear I/O includes video outputs that function only when the installed CPU has integrated graphics.

How it compares

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

Price $59.99
Cheaper than about 78% of the 2,965 comparable items (median $97.99).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameGIGABYTE
Model nameZ390 D
Processor
ProcessorCore i7 / i5 / i3 (8th Gen, LGA1151)
CPU socketLGA 1151 (300 Series)
ChipsetIntel Z390
Memory
Memory slot count4 × 288pin (DDR4)
Supported memoryDDR4 2666
Max supported RAM128 GB
Memory channelsDual Channel
Storage
SATA ports6 x SATA 6Gb/s
M.2 slots1 x M.2
Optane memory supportYes
SATA and RAID support0/1/5/10
Graphics
Onboard video chipSupported only by CPU with integrated graphic
Audio & video
Audio chipRealtek ALC887
Sound channels7.1 Channels
Connectivity
Ethernet controllerRealtek GbE LAN chip
Maximum network speed1 Gbit/s
Ports & slots
PCIe 3.0 x16 slots3 x PCI Express 3.0 x16
PCIe x1 slots3 x PCI Express x1
Onboard USB headers2 x USB 3.1 + 4 x USB 2.0
Power
Power connectors24 Pin
Size & build
Form factorATX
Width and length12.0 in × 9.1 in
More details
LightingRGB

Questions about this item

How do I install the CPU into the LGA 1151 socket and what step is often missed?

Lift the socket lever, align the processor notches with the socket keys, lower the CPU gently without forcing it, close the load plate, and lock the lever back down; the step many miss is removing the plastic protective cover from the load plate before seating the processor.

What maintenance will the board need over time?

The only routine item is the CMOS battery that keeps BIOS settings; when the system starts losing the date and time at every cold boot, power off, unplug the unit, swap the coin cell for a fresh one, then re-enter any custom UEFI settings.

What limit appears first during sustained heavy loads?

The VRM heatsinks are modest, so under prolonged all-core workloads the voltage-regulator temperature rises first and can trigger throttling; adding case airflow or a small fan pointed at the heatsink area raises the thermal ceiling.

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