

ASRock Z390 Extreme4 is designed to make the most of the latest technologies in processor, storage, connectivity and RGB lighting. It supports the new 9th gen Intel Core processors, and provides sturdy VRM and Digi power design for extreme overclocking and stability. One of the dual M.2 slots has a full-coverage heat sink for consistent peak performance. Take full advantage of USB 3.1 Gen1 Type-C and dual USB 3.1 Gen2 when needs arise. You can sync its RGB lighting effect to all Polychrome RGB enabled devices through the three RGB headers. As a super-alloy motherboard with advanced components, it is a solid foundation for your gaming rig to perform.
- Supports 9th and 8th Gen Intel Core Processors (Socket 1151)
- Digital PWM, 12 Power Phase
- Supports DDR4 4300+(OC)
- 3x PCIe 3.0 x16, 3x PCIe 3.0 x1, 1x M.2 (Key E) for WiFi
- NVIDIA Quad SLI, AMD 3-Way CrossFireX
- Graphics Output Options: HDMI, D-Sub & DisplayPort
- 7.1-CH HD Audio (Realtek ALC1220 Audio Codec)
- Supports Purity Sound 4 & DTS Connect
- 8x SATA3, 2x Ultra M.2 (PCIe Gen3 x4 & SATA3)
- 2x USB 3.1 Gen2 10Gbps (1x Type-A + 1x Type-C)
- 9x USB 3.1 Gen1 (1x Front Type-C, 4x Front Type-A, 4x Rear)
- Intel Gigabit LAN
- ASRock Polychrome SYNC

- HDMI + DVI + S-Sub
- Intel Gigabit Lan
- USB 3.1 Gen2 Type-A + Type-C
- Purity Sound 4
- DIGI Power Design
12 Power Phase
Premium 60A Power Choke
Dual-Stack MOSFET (DSM)
Combo Caps - Intel LGA 1151 Socket
Supports 9th and 8th Gen Intel Core Processors - PCI-E Steel Slots
Supports 2-Ways SLI/3-WayCFX - 2x Ultra M.2 Socket
(PCIe Gen3 x4 & SATA3) - M.2 Key-E for WiFi
- Nichicon 12K Black Caps
- USB 3.1 Gen2 10Gbps Type-C Header
- 8x SATA III 6Gbps
- Full-Coverage M.2 Heat Sink
- RGB LED + Addressable RBG LED Headers

This motherboard is designed to make the best out of the 9th generation Intel Core processors. The sturdy VRM design provides extreme overclocking potential, lower temperatures during gaming and reinforced system stability for taking on all sorts of arduous computing tasks.

In addition to built-in RGB illumination, it also features onboard RGB headers and an addressable RGB header that lets the motherboard connect to compatible LED devices such as strip, CPU fans, coolers, chassis and so on. Users may also synchronize their RGB-LED devices across the Polychrome RGB Sync-certified accessory line to create their own unique lighting effects.

The addressable RGB-LED header supports the WS2812B addressable RGB-LED strip (5V/Data/GND), with a maximum power rating of 3A (5V), a max of 80 LEDs and length within 2 meters.
The RGB LED header supports the standard 5050 RGB-LED strip (12V/G/R/B), with a maximum power rating of 3A (12V) and length within 2 meters.



Equipped with an M.2 slot that supports both SATA3 6Gbps and the PCIe Gen3 x4 Ultra M.2 interface that pushes data-transfer speeds up to 32Gbps, these boards are compatible with ASRock's U.2 Kit for installing some of the world's fastest U.2 PCIe Gen3 x4 SSDs.
Please refer to the product specification page for more detail.
A massive full coverage M.2 heatsink that's able to dissipate heat efficiently to ensure your high-speed M.2 SSD is always working at its best.


The front USB 3.1 Gen1 Type-C header delivers up to 5Gbps data transfer rates and has a next-generation reversible USB design on the front panel of computer case.
It's time to enjoy the most purified audio performance with ultra high definition. Purity Sound 4 is a combination of several hardware and software audio solutions. These include: 7.1-CH HD audio with the latest Realtek ALC1220 audio codec, individual PCB layers for R/L audio channel, 120dB SNR DAC, and other technologies that deliver only the crispest sound effects.


120dB SNR DAC

RGB LED

Gold Audio Connector

TI NE5532 Premium Headset Amplifier

Individual PCB Layers for R/L Audio Channel

Impedance Sensing on Front Out Port

PCB Isolate Shielding

Pure Power-In

Nichicon Fine Gold Series Audio Caps

POOL (Planes On Outer Layers) technology allows 4-layer boards to utilize stripline routing instead of micro-strip routing, giving the motherboard better electrical properties and performance.

ASRock's free-bundled and brand-new SLI HB Bridge is compatible with NVIDIA GeForce GTX 1080 and 1070 graphics cards that double the available transfer bandwidth, delivering rock-stable gameplay and letting you experience surround gaming in the right way.

Supports Intel Optane memory technology and Intel Optane storage technology that redefines a new standard of high performance and responsiveness.


Extra-large aluminum-alloy heat sinks effectively take heat away from the MOSFET and chipset so that your whole system may perform more stably.

Compared to traditional chokes, ASRock's premium 60A power chokes effectively make the saturation current up to three times better, thus providing enhanced and improved Vcore voltage to the motherboard.

Specifically designed for memory power delivery, these new alloy chokes feature a highly-magnetic and heat-resistant design, thus delivering more stable and reliable power to the motherboard and memory modules.

Dual-Stack MOSFET (DSM) is another innovative MOSFETs design by ASRock. The silicon die area is increased by stacking two dies into one MOSFET. The larger the die area, the lower Rds(on). Compared to traditional discrete MOSFET, DSM with larger die area provides extreme lower Rds(on) 1.2mO, so the power supply for the CPU Vcore is more efficient.

A combination of 820uF and 100uF capacitors. Together these capacitors provide clearer, more efficient and responsive CPU Vcore power, helping overclockers achieve higher scores.

The supreme 12K black capacitors have lifespans of at least 12,000 hours. Compared to other counterparts on high-end motherboards that merely have lifespans of around 10,000 hours, ASRock applied Nichicon 12K Black Caps that offer 20% longer lifespans and provide more stability and reliability.

A newly designed protective cover for all of the crucial parts near the motherboard's rear I/O protects against potential damage from static electricity.

A new mysterious matte-black and copper-color scheme to match the prestigious components of ASRock's high-end motherboards.

The high-density glass-fabric PCB design reduces the gaps between the PCB layers to protect the motherboard against electrical shorts caused by humidity.

This motherboard has a pair of onboard Type-A and Type-C USB 3.1 Gen2 ports built on the rear I/O to support next-generation USB 3.1 Gen2 devices and deliver up to 10Gbps data transfer rates.
USB 3.1 Gen2 doubles the data transfer rate!

USB 3.1 Gen2 Type-C doubles the charge speed!


Intel LAN provides the best throughput performance, lower CPU utilization, enhanced stability, and is able to deliver an ultimate networking experience to its users!

Besides the onboard LAN port, users may also choose 802.11ac wireless connections via the M.2 (Key E) slot.

This board comes with a unique CPU fan header that also supports water pumps! This header provides a maximum of 2A power for supporting the most popular water pumps. Users can also adjust the voltage of water pumps to get a higher cooling performance with lower noise.

Unlike traditional motherboards that use analog power, this motherboard uses a next-generation digital PWM (Pulse-Width Modulation) design, which provides CPU Vcore voltage more efficiently and smoothly, so that the stability and lifespan of the motherboard is greatly enhanced.

Graphics, graphics and even more graphics! Customers have demanded more eye candy, so this motherboard supports Triple Monitor. You may choose up to three display interfaces from the rear I/O to connect monitors and use them simultaneously without installing another graphics card.

A-Tuning is ASRock's multi-purpose software suite that's been updated with a new interface, more helpful features and improved utilities.

ASRock's Live Update & APP Shop is designed exclusively for your convenience. We provide various apps and support software for users to download. You can also easily optimize your system and keep your motherboard up to date with the ASRock Live Update & APP Shop.