5 Best Mini ITX Z390 Motherboard VRM for Overclocking I9-9900K & I7-9700K

It’s great to see that so many best Z390 Mini ITX (M-ITX) motherboard already has proper power delivery implementation for overclocking, even some Z390 mini mobo VRM actually can compete with the common ATX form factor. Surprisingly some products are actually could handle the flagship processor i9-9900K really well.

Although mini dimension had a lot of limitation because of confines of a small 6.7” x 6.7” board, it still a good choice for someone who wants to build a powerful compact rig right now. Latest Intel Z390 chipset offers plenty of customization on advanced features. But an enthusiast should realize that limited space means it’s difficult to execute tons of features, PCIe, DIMM slot, cooling system, connectivity plus RGB LEDs.

Should I buy Z390 motherboard?

Yes, it’s an upgrade from Z370 added new wireless module CNVi and also native USB 3.1 Gen2 10Gbps, If you already have Z370 rigs, then you should consider it again, though in general Z390 motherboard is refined in almost all aspects. If you want to build using new processor 9900K or i7 9700K, then it very recommends picking the Z390, the latest chipset designed explicitly for the latest 9th Intel processor.

You might look for more value small form factor z370 motherboard for previous Intel processor generation, check this link best z370 mini motherboards it still worth it.

So here are the best Z390 motherboard M-ITX for overclocking

Motherboards Amazon Link Chipset Form Factor PCIe Ports Key E (WiFi) Multi GPU SATA M.2 U.2 USB 3.1 Gen2 (10Gbps) USB 3.1 Gen1 USB 2.0 Memory Slots Onboard Graphics Audio Audio Feature Power Phases Dual Bios Networking Wireless RGB LED strip header Fan Header Thermal header Chassis Intrusion
ASRock Z390 Phantom Gaming-ITX/ac Check Price Intel Z390 Mini ITX Form Factor 6.7 x 6.7 inch 1x PCIe 3.0 x16 1 - 4 2 - 1x Intel® Thunderbolt 3 Type-C & 4x USB 3.1 Gen2 ports Type-A on the rear panel 5 (4 rears, 1 header) 1 header 2x DDR4 (Max 32GB) 4500+(OC) Mhz HDMI, DisplayPort 1.2 and Intel Thunderbolt 3 Realtek ALC1220 Audio Codec + NE5532 front panel Creative Sound Blaster Cinema 5 5 phase power 60A with powerstage - Intel I219V Dual Band 802.11ac WiFi (2.4/5GHz) up to 1.73Gbps + Bluetooth v5.0 ASRock Polychrome SYNC 1x Addressable Strip + 1x RGB header 3 Hybrid (1 dedicated power pump) - 1
ASRock Z390M-ITX/AC Check Price Intel Z390 Mini ITX Form Factor 6.7 x 6.7 inch 1x PCIe 3.0 x16 1 - 6 1 - 1x USB 3.1 Gen2 Type-C & 5x USB 3.1 Gen2 Type-A on the rear panel 1x header supports 2x USB 3.1 Gen1 1x Header supports 2x USB 2.0 2x DDR4 (Max 32GB) 4000+(OC) Mhz DisplayPort 1.2 and 2x HDMI Realtek ALC892 Audio Codec - 6 phase power design - 1x I219V & 1x I211AT Dual Band 802.11ac WiFi (2.4/5GHz) up to 433Mbps + Bluetooth v4.2 - - 3 Hybrid (1 dedicated power pump) - 1
ASUS ROG Strix Z390-I Gaming Check Price Intel Z390 Mini ITX Form Factor 6.7 x 6.7 inch 1x PCIe 3.0 x16 - - 4 2 - 1x USB 3.1 Gen2 ports Type-C front panel connector & 2x USB 3.1 Gen2 ports Type-C rear panel 5 (3 rear, 2 headers) 4 (2 rear, 2 headers) 2x DDR4 (Max 32GB) 4500+(OC) Mhz HDMI 2.0, DisplayPort 1.2 SupremeFX S1220A CODEC (Dual OP amp) Sonic Studio III, Sonic Radar III, Sonic Studio III 6 phase power 45A with power stage - Intel I219V Dual Band 802.11ac WiFi (2.4/5GHz) up to 1.73Gbps + Bluetooth v5.0 Aura Sync RGB lighting 1x Addressable Strip + 1x RGB header 3 Hybrid (1 dedicated power pump) 1 -
GIGABYTE Z390 I AORUS PRO WiFi Check Price Intel Z390 Mini ITX Form Factor 6.7 x 6.7 inch 1x PCIe 3.0 x16 1 - 4 2 - 1x USB 3.1 Gen2 Type-C & 1x USB 3.1 Gen2 Type-A on the rear panel 7 (1 Type-C, 2 Front, 4 Rear) 2 headers 2x DDR4 (Max 32GB) 4500+(OC) Mhz DisplayPort 1.2 Realtek ALC1220-VB 6 phase power 40A with powerstage yes Intel I219V Dual Band 802.11ac WiFi (2.4/5GHz) up to 1.73Gbps + Bluetooth v5.0 RGB FUSION 2.0 1x digital LED strip header, 1x RGB LED strip header & 1x digital LED strip power select jumper 3 - 1
MSI MPG Z390I Gaming Edge AC Check Price Intel Z390 Mini ITX Form Factor 6.7 x 6.7 inch 1x PCIe 3.0 x16 - - 4 2 - 2x USB 3.1 Gen2 Type-A on the rear panel 4 (2 Headers, 2 Rear) 4 (2 Headers, 2 Rear) 2x DDR4 (Max 32GB) 4800+(OC) Mhz HDMI 2.0, DisplayPort 1.2 Realtek ALC892 AUDIO BOOST 6 phase power design Realtek 8111H Dual Band 802.11ac WiFi (2.4/5GHz) up to 433 Mbps + Bluetooth v5.0 - 1x RGB LED strip header 3 Hybrid (1 dedicated power pump) - 1

1. ASRock Z390 Phantom Gaming-ITX/ac

"Best power delivery, Thunderbolt 3 and excellent all around SFF" EDITOR'S CHOICE
Release in 2018, Mini-ITX, Z390 Chipset, Supports 9th and 8th Gen Intel® Core™ Processors
Check Price On Amazon

The phantom gaming from ASRock is an excellent standard for quality Mini ITX motherboard years to come. It comes with a practical feature, high-end VRM quality, and stable board. High-quality VRM and 5 phase power 60A enhanced power stage means enough power for overclocking the i9-9900K to 5Ghz even more.

Fine little monster with bulky heatsink, heatpipe, great layout, and the RGB LEDs solution is subtle and ASRock polychrome software allowing a lot of various patterns of lighting theme.

Integrated audio solution is so important for mini ITX because of lack of expansion room. Realtek ALC1220 Audio Codec and NE5532 headphone amp at the front audio output, improved by Creative Sound Blaster Cinema 5 software to produce good surround audio and excellent gaming experience.

There are 4 SATA and dual M.2 should be no complaint about that, for wireless solution 2 antennas to support 2 transmit 2 receive that supports up to 1733Mbps and Bluetooth 5.0 also one Gigabit LAN port.

Supports Triple Monitor :

  • Supports HDMI 2.0 with maximum resolution 4096×2160 @60Hz.
  • Supports DisplayPort 1.2 with maximum resolution 4096×2304 @60Hz.
  • Supports Intel® Thunderbolt 3 with maximum resolution 4096×2304 @60Hz.

This Little monster is really excellent all around M-ITX motherboard, should be great for the i9-9900K companion.

Pros.
  • Excellent power delivery for Mini mobo.
  • Great layout.
  • Top-notch performance.
  • Solid component.
  • Aesthetic mini ITX looking board.
  • 4 SATA slots and dual M.2.
  • Thunderbolt 3 Type-C.
  • Dual Band 802.11ac WiFi 2T2R up to 1.73Gbps + Bluetooth v5.0.
  • Very Reasonable price.
  • Feature-rich M-ITX board.
Cons.
  • 2x lanes or only half speed of Thunderbolt 3.
  • No USB 3.1 Gen2 front-panel.

2. ASRock Z390M-ITX/AC

"Cheap Mini-ITX motherboard solution"
Release in 2018, Mini-ITX, Z390 Chipset, Supports 9th and 8th Gen Intel® Core™ Processors
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The budget version small form factor board from ASRock, Z390M ITX/ac is simple looks board and lowered VRM quality which is quite enough to serve the latest Intel Core i5-9600K.

It’s a value motherboard so it hard to expect some fancy looking board at that price point, the layout design board is still good, moreover there is no RGB LEDs integration.

Realtek ALC892 with Nichicon fine gold series audio caps is weak compared to the others competitor, however, it still good enough for common entertainment.

There 6 SATA ports and 1 M.2, 5 USB 3.1 Gen2 Type-A and 1 Type-C at back panel, and also for wireless solution ASRock offers Dual Intel Gigabit LAN Intel® 802.11ac WiFi 433Mbps + Bluetooth 4.2.

Supports Triple Monitor :

  • Supports 2x HDMI 1.4 up to 4096×2160 @30Hz.
  • Supports DisplayPort 1.2 up to 4096×2304 @60Hz.
Pros.
  • Cheap SFF solution.
  • 1x USB 3.1 Gen2 Type-C & 5x USB 3.1 Gen2 Type-A on the rear panel.
  • dual Intel LAN.
  • 6 SATA slots.
Cons.
  • Old audio codec.
  • Wireless solution.
  • No RGB LEDs onboard.
  • One M.2 slot.
  • No triple monitor supports.

3. ASUS ROG Strix Z390-I Gaming

"Fancy small Z390 mobo with excellent RGB, and tons of modern features"
Release in 2018, Mini-ITX, Z390 Chipset, Supports 9th and 8th Gen Intel® Core™ Processors
Check Price On Amazon

The ROG Strix Z390-I Gaming is entirely redesigned it from their mini Z370 board packed with a modern feature, too bad the power delivery is inferior to ASRock phantom gaming. 6 phase power with 45A is quite enough power for I9-9900K overclocking but require a good cooling system to prevent it from throttling.

Aesthetic little motherboard with tons of RGB LEDs setting but the huge heatsink may give some issues if you are using Noctua C14 or lookalike, it won’t properly installed and you should look for other cooling solution.

ASUS always has an intense integrated audio solution, with SupremeFX S1220A CODEC 120 dB SNR stereo playback output (Dual OP amp) intensified by Sonic Studio III.

For the connectivity, ASUS implements 4 SATA ports, Dual M.2 and 2x USB 3.1 Gen 2 Type-A and 1x Type-C via front panel connector, also for the wireless package using the latest Intel integrated Wireless-AC 9560 module, 802.11ac Wi-Fi 2T2R up to 1.73Gbps which is great.

Two video output :

  • Supports HDMI 2.0 with max. resolution 4096 x 2160 @60 Hz.
  • Supports DisplayPort with max. resolution 4096 x 2304 @60 Hz.

Overall this is a fine small board with a bunch of useful features but you should worry about the huge heatsink may give some issues for third-party CPU cooling installment and power delivery that ASUS implemented is just adequate.

Pros.
  • Good power delivery for Mini mobo.
  • Aesthetic Looks and solid.
  • Nice RGB.
  • Intense audio implementation.
  • Solid component.
  • AI overclocking.
  • 4 SATA slots and dual M.2.
  • Dual Band 802.11ac WiFi 2T2R up to 1.73Gbps + Bluetooth v5.0.
  • Feature-rich M-ITX board.
Cons.
  • No thunderbolt and less power delivery compared to ASRock phantom.
  • Layout issues due to big heatsink.
  • No triple monitor support.

4. GIGABYTE Z390 I AORUS PRO WiFi

"Affordable, WiFi speed up to 1.73Gbps, Good looking Z390 Mini ITX and great RGB"
Release in 2018, Mini-ITX, Z390 Chipset, Supports 9th and 8th Gen Intel® Core™ Processors
Check Price On Amazon

Gigabyte has an excellent reputation for presenting top small form factor motherboards at affordable price just like previous Intel chipset Z270 and Z370. For now, 6 phase enhanced power stage means only safe enough for every day GHz I9-9900K but not for extreme overclocking, moreover, if you do advance overclocking then it rather builds it with i5-9600K and i7-9700K with proper cooling or gets another motherboard that offers better VRM quality in M-ITX board.

The Aorus Pro WiFi using black and dense board, Yet, RGB LED lighting always great in Gigabyte, great layout design, no third party CPU cooling concerns until now.

When it comes quality audio, ALC1220-VB Enhance 114dB, and good quality
NICHICON capacitors are just excellent quality from a mini motherboard.
Single Intel I219V LAN and Dual Band 802.11ac WiFi (2.4/5GHz) 1.73Gbps plus Bluetooth 5.0 version.

Two video output :

  • Supports HDMI 2.0 with max. resolution 4096 x 2160 @60 Hz.
  • Supports DisplayPort with max. resolution 4096 x 2304 @60 Hz.

A good choice if you are looking for 1.73Gbps WiFi and good audio quality at mid range perfomance.

Pros.
  • Aesthetic Looks and solid.
  • Great RGB.
  • Great audio quality.
  • Solid component.
  • 4 SATA slots and dual M.2.
  • Dual Band 802.11ac WiFi 2T2R up to 1.73Gbps + Bluetooth v5.0.
  • Good features for mid-range ITX motherboard.
Cons.
  • No thunderbolt.
  • Weak VRM and power delivery for I9.
  • No triple monitor support.

5. MSI MPG Z390I Gaming Edge AC

"An affordable Mini-ITX solution"
Release in 2018, Mini-ITX, Z390 Chipset, Supports 9th and 8th Gen Intel® Core™ Processors
Check Price On Amazon

An affordable Mini-ITX motherboard from MSI, Quite straightforward motherboard, and not a luxurious board design but there are various RGB LEDs combination, the power delivery is preferable to adjust it with i5-9600K for optimum overclocking.

As a value Z390, MSI lowered the networking quality using past Realtek RTL8111H Gigabit, and also an ancient audio solution with Realtek ALC892 codec, that’s actually hard to understand with MSI choice, at same price point Z390 I AORUS PRO WiFi already deliver so many updated features. So you might consider the disadvantages before you buy this MSI mini-ITX.

There are 4 SATA ports with 2 M.2, plus it supports Intel Optane Memory for an absolutely solid option and also a couple USB 3.1 Gen2 Type-A on the back panel but again there is no USB Type-C on the connectivity.

Two display output

  • 1 x DisplayPort, supports a maximum resolution of 4096×2304 @60Hz.
  • 1 x HDMI™ port, supports a maximum resolution of 4096×2160 @24Hz.

There so many cut down in features and the power delivery is not suggested for i9-9900K.

Pros.
  • An affordable motherboard.
  • Good RGB.
  • Solid component.
  • 4 SATA slots and dual M.2.
Cons.
  • No thunderbolt.
  • Weak VRM and power delivery for I9.
  • No triple monitor support.
  • Old Realtek codec.
  • No USB 3.1 Gen2 Type-C.

Here are the best Mini-ITX Z390 Motherboards 2019

  1. ASRock Z390 Phantom Gaming-ITX/ac changes the game in Mini ITX motherboard competition, it is clearly a winner and gives you the best both feature and power delivery in limited SFF motherboard. (EDITOR’S CHOICE)
  2. ASUS ROG Strix Z390-I Gaming also give feature-rich mini motherboard notwithstanding the lower phase power implementation comparing ASRock phantom.
  3. GIGABYTE Z390 I AORUS PRO WiFi could be the best value for money in middle range processor with i5-9600K or i7-9700K among the good cooling system.
  4. MSI MPG Z390I Gaming Edge AC lack of new feature and the power delivery is in the same level with GIGABYTE Z390 I AORUS PRO WiFi.
  5. ASRock Z390M-ITX/AC is the cheapest solution for Z390 M-ITX, it’s still a good choice if you want to build reliable compact rig for multimedia purpose combining the i5-9600K or could be i7-9700K if you have an excellent heat solution.

Thanks all will updated soon..

Mobile-ITX CPU Module-Hand-2 Image by VIA licensed under a CC BY.