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ASRock - Z390 Phantom Gaming-ITX/ac Mini ITX LGA1151 Motherboard

( 4.7 Average / 3 Ratings )




Part #

Z390 Phantom Gaming-ITX/ac


Black / Silver

Form Factor

Mini ITX

CPU Socket



Intel Z390

Memory Slots

2 x 288-pin DIMM

Memory Type

DDR4-2133 / 2400 / 2666 / 2800 / 2933 / 3200 / 3600 / 3733 / 3800 / 3866 / 4000 / 4133 / 4266 / 4333 / 4500

Maximum Supported Memory

32 GB

RAID Support


Onboard Video

Depends on CPU

CrossFire Support


SLI Support


SATA 6 Gb/s


Onboard Ethernet

1 x 1000 Mbit/s

Onboard USB 3.0 Header(s)


Completed Builds Using This Part

See All Completed Builds


Merchant Base Promo Shipping Tax Availability Total
Newegg $159.99 +FREE s/h In stock $159.99
Newegg Business $159.99 +FREE s/h $159.99
SuperBiiz $179.99 +$3.99 s/h Out of stock $183.98
Amazon $189.96 +FREE s/h In stock $189.96
( 14 new from $189.96, 4 used from $176.66. Last updated 2 hours ago. )
* Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.

Price History (Excluding Tax) History:


camalaio 13 points 2 months ago
from completed build White Dwarf

Great 300-series board for an ITX build.

  • Thunderbolt 3 port on an ITX board is great to have for I/O expansion (since it only has one PCIe slot)
  • Was easy enough for a first time builder/overclocker to get a stable 5.0GHz w/ an i3-8350k
  • Took Corsair LPX Vengeance 3200 XMP profile just fine
  • Builtin WiFi works great on Windows, the included antenna seems decent for 5GHz WiFi
  • No RAM clearance issues with metioned RAM and Noctua NH-D15
  • Only three fan headers, only one of which van variably drive 3-pin fans (but thankfully can). All can drive 4-pin PWM fans well though.
  • Bit pricey compared to other Z300-series boards at the time ($290!)

Minus a star for the fan header statement, which IMO is important in a "gaming" board meant for overclocking and thus needing to handle some additional cooling. Perhaps that's harsh, it's really my only complaint other than the price.

PizzaSauceToo 36 points 1 month ago
from completed build Wastelander - Mini ITX Powerhouse

Solid motherboard. Having a 'clear cmos' button was super handy for overclocking. No fancy plastic shrouds and subtle LED at the bottom.

I'm not familiar with power phases but I haven't noticed anything detrimental to performance based on expectations

Moneyroks2 12 points 4 days ago
from completed build i9 9900k - 2070 - Workstation

What can I say, it’s the only z390 mobo with thunderbolt 3 and I like it’s looks.