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ASRock X370 Killer SLI/ac AM4 AMD Promontory X370 SATA 6Gb/s ATX AMD Motherboard

Used - Like New Product Type
In stock.
Ships from Hong Kong.
  • X370 Gaming K4
  • X370 GAMING X
  • X370 Killer SLI/ac
  • X370 Taichi
  • AMD Promontory X370
  • Supports AMD Socket AM4 A-Series APUs (Bristol Ridge) and Ryzen Series CPUs (Matisse, Picasso, Summit Ridge, Raven Ridge and Pinnacle Ridge)
  • AMD Ryzen series CPUs (Matisse) support DDR4 3200/ 2933/ 2667/ 2400/ 2133 ECC & non-ECC, un-buffered memory
  • AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4 2933+(OC)/ 2667/ 2400/ 2133 ECC & non-ECC, un-buffered memory
  • AMD Ryzen series CPUs (Picasso) support DDR4 2933/ 2667/ 2400/ 2133 non-ECC, un-buffered memory
  • AMD Ryzen series CPUs (Summit Ridge) support DDR4 2933+(OC)/ 2933(OC)/ 2667/ 2400/ 2133 ECC & non-ECC, un-buffered memory
  • AMD Ryzen series CPUs (Picasso and Raven Ridge) support DDR4 2933/ 2667/ 2400/ 2133 non-ECC, un-buffered memory
  • AMD 7th Gen A-Series APUs support DDR4 2400/ 2133 ECC & non-ECC, un-buffered memory

ASRock X370 Killer SLI/ac Motherboard

A performance- and features-loaded motherboard oriented for power users and hardcore gamers to build their killer PCs. Built with superb speed and thermals in mind, this ATX motherboard allows you to take full advantage of AMD A-series APUs and Ryzen series CPUs in AM4 packaging. As the model name suggests, it supports NVIDIA Quad SLI and AMD Quad CrossFireX via its two PCIe 3.0 x16 slots, and has an onboard wireless module capable of up to 802.11ac and Bluetooth v4.2. It also has two M.2 slots and a wealth of USB ports, including Type-C. Light up your gaming space with onboard RGB LED and LED header. Play at your best and game without fear, as this board is solidly built with Super Alloy components and up to 12 power phases.

  • ASRock Super Alloy
  • Supports AMD Socket AM4 A-Series APUs (Bristol Ridge) and Ryzen Series CPUs (Summit Ridge)
  • Supports DDR4 2933+ (OC) (Ryzen CPU) / 2400 (A-series APU)
  • 2x PCIe 3.0 x16, 4x PCIe 2.0 x1, 1x M.2 (Key E)
  • NVIDIA® Quad SLI™, AMD Quad CrossFireX™
  • Graphics Output:HDMI
  • 7.1 CH HD Audio (Realtek ALC892 Audio Codec), Nichicon Fine Gold Series Audio Caps
  • 6x SATA3, 1x Ultra M.2 (PCIe Gen3 x4 & SATA3), 1x M.2 (PCIe Gen2 x2 & SATA3)
  • 12x USB 3.0 (1x Type-C, 4x Front, 7x Rear)
  • Intel® Gigabit LAN
  • Intel® 802.11ac+ BT 4.2
  1. Dual-Band 802.11ac WiFi
  2. HDMI
  3. USB Type-C
  4. Intel Gigabit LAN
  5. Nichicon Fine Gold Series Audio Caps
  6. 2oz Copper PCB
  1. 2x RGB LED Headers
  2. M.2 Socket (PCIe Gen2 x4)
  3. 6x SATA3 6Gb/s
  4. PCI-E Steel Slots
    Suppotrs 2-Way SLI/CFX
  5. Ultra M.2 Socket (PCIe Gen3 x 4 & SATA3)
  6. Nichicon 12K Black Caps
  7. AMD AM4 Socket
    Supports Ryzen Series CPUs (Summit Ridge)
  8. Digi Power 16 Power-Phase Design Premium 60A Power Choke Dual-Stack MOSFET (DSM)

Armor Your VR Machine

Prepare yourself well to enjoy the impressive world of Virtual Reality. Before that, you have to make sure everything is qualified, including hardware, software and drivers. Motherboards are the key to connect all your critical components and ASRock's VR Ready motherboards are definitely the ones you'll need. The premium quality is assured by rigorous testing during development. The sturdy components and rock-slid performance makes you completely immersive in the VR scenario. Users can be assured to experience VR enjoyments without any compatibility problems.

Dual M.2 for SSD

One PCIe Gen3 x4 Ultra M.2 interface pushes data transfer speeds up to 32Gb/s, and is compatible with ASRock's U.2 Kit for installing some of the world's fastest U.2 PCIe Gen3 x4 SSDs. The other one supports PCIe Gen2 x4 20Gb/s transfer speeds.


The advanced PCI-E Steel Slots packed with solid cover that prevent any signal interference with graphics cards. It also ensures the heavy graphics cards to be well-installed in the PCI-E slots safely.


Build your own colorful lighting system! RGB LED and header allows users to connect LED strip and create their unique PC style easily. The ASRock RGB LED utility can be downloaded directly or from an all-in-one utility ASRock Live Update & APP Shop!

  1. Drag the tab to customize your preference.
  2. Toggle on/off the RGB LED switch and choose the channel.
  3. Select an RGB LED light effect from the drop-down menu.

Dual-Band 802.11ac WiFi

No one has time for weak WiFi signals and sluggish internet! That's why this motherboard comes with a 802.11ac WiFi (2.4G / 5G WiFi) module which supports wireless networks and Bluetooth v4.2.

12 Power-Phase Design

Designed with a 12 power-phase design, this motherboard features sturdy components and completely smooth power delivery to the CPU. Plus, it offers unmatched overclocking capabilities and enhanced performance with the lowest temperature for advanced gamers as well.

IR® Digital PWM

The onboard IR® Digital PWM controller delivers the most precise and stable power so that users may achieve optimal performance.
Super Alloy Motherboard Graphic Text
XXL Aluminum Alloy Heat Sink
ASRock X370 Motherboard's XXL Aluminum Alloy Heat Sink

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

Premium 45A Power Choke
ASRock X370 Motherboard's Premium 45A Power Choke

Compared to traditional chokes, ASRock's premium 45A power chokes effectively make the saturation current up to three times better, thus providing enhanced and improved Vcore voltage to the motherboard.

Nichicon 12K Black Caps
ASRock X370 Motherboard's Nichicon 12K Black Caps

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

I/O Armor
ASRock X370 Motherboard's I/O Armor

A new designed protective cover for all of the crucial parts near the motherboard's rear I/O, so that they won't easily be damaged by static electricity.

Sapphire Black PCB
ASRock X370 Motherboard's PCB Corner

Pure black PCB appearance. The new Sapphire Black PCB represents rock-solid quality and gives the motherboard a more mysterious touch.

High Density Glass Fabric PCB
ASRock X370 Motherboard's High-Density Glass Fabric PCB versus Traditional Fabric

High Density Glass Fabric PCB design that reduces the gaps between the PCB layers to protect the motherboard against electrical shorts caused by humidity.

USB Type-C

The latest reversible USB Type-C design that fits the connector either way.

Inlcuded SLI HB Bridge

The newly bundled ASRock SLI HB Bridge is compatible with the NVIDIA® GeForce GTX 1080 and 1070 graphics cards that doubles the available transfer bandwidth, thus delivering rock stable gameplay and experiencing surround gaming in the best way.

2oz Copper

It comes with 2 ounces copper inner layers, using only carefully selected copper materials for PCB layers, delivering lower temperature and higher energy efficiency for overclocking.
ASRock X370 Motherboard's Water-Pump Header

Water-Pump Header

This is not only a standard CPU fan header, but also supports water pumps! This header provides a maximum of 1.5A power for supporting the most popular water pumps. User also can adjust the voltage of water pump to get higher cooling performance with lower noise.
A-Tuning Software Windows


A-Tuning is ASRock's multi purpose software suite with a new interface, more new features and improved utilities.
ASRock APP Shop Logo and Compatible Software

Live Update & APP Shop

ASRock Live Update & APP Shop is designed 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 ASRock Live Update & APP Shop.
HDMI Logo The specification is subject to change without notice in advance. The brand and product names are trademarks of their respective companies. Any configuration other than original product specification is not guaranteed.
The above user interface picture is a sample for reference. The actual user interface may vary with the updated software version.

Warranty & Returns

Warranty, Returns, And Additional Information

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