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Compact Mini-ITX motherboard with black PCB, silver heatsinks, and rear I/O shield

ASRock

ASRock Z390 PHANTOM GAMING-ITX/AC Intel motherboard

SKU CH-TJ3D-BECT5

Mini-ITX board for 8th and 9th Gen Intel Core CPUs with dual-channel DDR4 up to 4500+(OC), one PCIe 3.0 x16 slot, dual M.2 sockets, four SATA3 ports, Intel 1GbE, Wi-Fi 802.11 ac and 7.1-channel audio

  • CPU Socket TypeLGA 1151 (300 Series)
  • CPU TypeSupports 9th and 8th Gen Intel Core processors (Socket 1151)
  • Supported CPU TechnologiesTurbo Boost Technology 2.0
  • ChipsetIntel Z390
  • Onboard Video Chipset* Intel UHD Graphics Built-in Visuals and the VGA outputs ca
  • Number of Memory Slots2x288pin (DDR4)
  • Supports 8th and 9th Gen Intel Core processors on LGA 1151 socket
  • Dual-channel DDR4 memory up to 32 GB with speeds to 4500+(OC)
  • Ultra M.2 socket delivers PCIe 3.0 x4 bandwidth for fast NVMe storage
  • Intel I219-V Gigabit LAN plus integrated 802.11 ac Wi-Fi module
  • Realtek ALC1220 codec provides 7.1-channel high-definition audio

Z390 Mini-ITX board for 8th and 9th Gen Intel Core

This Mini-ITX motherboard uses the Intel Z390 chipset and the LGA 1151 (300 Series) socket. It accepts 8th and 9th generation Intel Core processors and is not backward compatible with older LGA 1151 CPUs. The board targets compact builds that still want overclocking headroom.

Bundled Wi-Fi module and vertical M.2 Key E slot

A Wi-Fi 802.11 ac module with Intel CNVi ships in the box and installs into a vertical M.2 Key E socket on the rear I/O. This frees the two Ultra M.2 Key M slots for storage. The bundle removes the need to source a separate wireless card.

Dual-channel DDR4 up to 32 GB

Two 288-pin slots support dual-channel DDR4 up to 32 GB and speeds listed up to 4500+(OC). The single PCI Express 3.0 x16 slot features 15µ gold contacts and can be split to two x8 lanes with a riser card. Four SATA3 6.0Gb/s ports and two M.2 sockets provide storage flexibility.

Highlights

  • Supports 8th and 9th Gen Intel Core processors on LGA 1151 socket
  • Dual-channel DDR4 memory up to 32 GB with speeds to 4500+(OC)
  • Ultra M.2 socket delivers PCIe 3.0 x4 bandwidth for fast NVMe storage
  • Intel I219-V Gigabit LAN plus integrated 802.11 ac Wi-Fi module
  • Realtek ALC1220 codec provides 7.1-channel high-definition audio

Specifications

BrandASRock
ModelZ390 PHANTOM GAMING-ITX/AC
CPU Socket TypeLGA 1151 (300 Series)
CPU TypeSupports 9th and 8th Gen Intel Core processors (Socket 1151)
* Not backward compatible with older generation of LGA 1151 CPUs
Supported CPU TechnologiesTurbo Boost Technology 2.0
ChipsetIntel Z390
Onboard Video Chipset* Intel UHD Graphics Built-in Visuals and the VGA outputs can be supported only with processors which are GPU integrated.
Supports Intel UHD Graphics Built-in Visuals: Intel Quick Sync Video with AVC, MVC (S3D) and MPEG-2 Full HW Encode1, Intel InTru 3D, Intel Clear Video HD Technology, Intel Insider, Intel UHD Graphics
DirectX 12
HWAEncode/Decode: AVC/H.264, HEVC/H.265 8-bit, HEVC/H.265 10-bit, VP8, VP9 8-bit, VP9 10-bit (Decode only), MPEG2, MJPEG, VC-1 (Decode only)
Three graphics output options: HDMI, DisplayPort 1.2 and Intel Thunderbolt 3
Supports Triple Monitor
Supports HDMI 2
Number of Memory Slots2x288pin (DDR4)
Memory StandardDDR4 4500+(OC)*/ 4333(OC)/ 4266(OC)/ 4133(OC)/ 4000(OC)/ 3866(OC)/ 3800(OC)/ 3733(OC)/ 3600(OC)/ 3200(OC)/ 2933(OC)/ 2800(OC)/ 2666/ 2400/ 2133
* Please refer to Memory Support List on ASRock's website for more information. (http://www.asrock.com/)
Maximum Memory Supported32GB
Channel SupportedDual Channel
PCI Express 3.0 x161 x PCI Express 3.0 x16 Slot (PCIE1: x16 mode)
* Supports PCIe riser cards to extend one x16 slot to two x8 slots
* Supports NVMe SSD as boot disks
Other Slots1 x Vertical M.2 Socket (Key E) with the bundled Wi-Fi 802.11 ac module and Intel CNVi (Integrated Wi-Fi/BT) (on the rear I/O)
15µ Gold Contact in VGA PCIe Slot (PCIE1)
Serial ATA (SATA)4 x SATA3 6.0Gb/s Connectors, support RAID, NCQ, AHCI and Hot Plug*
* If M2_1 is occupied by a SATA-type M.2 device, SATA3_1 will be disabled.
M.21 x Ultra M.2 Socket (M2_1), supports M Key type 2280 M.2 SATA3 6.0Gb/s module and M.2 PCI Express module up to Gen3 x4 (32Gb/s)**
1 x Ultra M.2 Socket (M2_2), supports M Key type 2260/2280 M.2 SATA3 6.0Gb/s module and M.2 PCI Express module up to Gen3 x4 (32Gb/s)**
** Supports Intel Optane Technology
** Supports NVMe SSD as boot disks
SATA RAIDRAID 0, RAID 1, RAID 5, RAID 10, Intel Rapid Storage Technology 16
Audio ChipsetRealtek ALC1220
Audio Channels7.1 Channels
LAN ChipsetIntel I219-V
Max LAN Speed1Gbps
Wireless LANIntel 802.11 ac Wi-Fi Module
Supports IEEE 802.11 a/b/g/n/ac
Supports Dual-Band (2.4/5 GHz)
Supports high speed wireless connections up to 1733 Mbps
2 antennas to support 2 (Transmit) x 2 (Receive) diversity technology
Supports MU-MIMO
BluetoothSupports Bluetooth 5.0 + High speed class II
PS/21 x PS/2 keyboard/mouse port
HDMI1 x HDMI
RJ451 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
DisplayPort1 x DisplayPort 1.2
Thunderbolt Ports1 x Intel Thunderbolt 3 (Compatible with USB 3.1 Gen2 and USB-C Display)*
* Supports USB PD 2.0 up to 12V@3A (36W) charging
USB 3.14 x USB 3.1 Gen2 Type-A Ports (10Gb/s) (Supports ESD Protection)
2 x USB 3.1 Gen1 Ports (Supports ESD Protection)
S/PDIF Out1 x Optical
Audio PortsHD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks)
Antenna Connectors2 x Antenna Ports
Onboard USB1 x USB 2.0 Header (Supports 2 USB 2.0 ports) (Supports ESD Protection)
1 x USB 3.1 Gen1 Header (Supports 2 USB 3.1 Gen1 ports) (Supports ESD Protection)
Other Connectors1 x Chassis Intrusion Header
1 x RGB LED Header
* Supports in total up to 12V/3A, 36W LED Strip
1 x Addressable LED Header
* Supports in total up to 5V/3A, 15W LED Strip
1 x CPU Fan Connector (4-pin)
* The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.
1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)
* The CPU/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power.
* CPU_OPT/W_PUMP can auto detect if 3-pin or 4-pin fan is in use.
1 x Chassis Fan Connector (4-pin)
* The Chassis Fan Connector supports the chassis fan of maxim
Form FactorMini ITX
LED LightingRGB
Dimensions (W x L)6.7" x 6.7"
Power Pin1 x 24-pin ATX Power Connector
1 x 8-pin 12V Power Connector (Hi-Density Power Connector)

Questions about this item

Will the 15µ gold contacts on the PCIe x16 slot need periodic cleaning or replacement?

The 15µ gold contacts on the PCIe x16 slot are designed for long-term durability and do not require scheduled cleaning or replacement under normal use.

What thermal limit appears first when the board runs a 9th Gen Core CPU at full load all day?

The VRM and chipset heatsinks on this Mini-ITX board are the first components to hit thermal saturation under sustained full-load operation.

How loud does the chipset fan get and what is the power draw when the system idles at the desktop for hours?

The board has no chipset fan; idle power draw is dominated by the CPU and memory, and acoustic output is limited to the CPU cooler and case fans.

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