Asus PRIME X370-A w/ DDR4-2666, 7.1 Audio, M.2, Gigabit LAN, CrossFireX

MX66890 PRIME X370-A w/ DDR4-2666, 7.1 Audio, M.2, Gigabit LAN, CrossFireX
MX66890 PRIME X370-A w/ DDR4-2666, 7.1 Audio, M.2, Gigabit LAN, CrossFireX MX66890 PRIME X370-A w/ DDR4-2666, 7.1 Audio, M.2, Gigabit LAN, CrossFireX MX66890 PRIME X370-A w/ DDR4-2666, 7.1 Audio, M.2, Gigabit LAN, CrossFireX MX66890 PRIME X370-A w/ DDR4-2666, 7.1 Audio, M.2, Gigabit LAN, CrossFireX

Product Info

ASUS PRIME X370-A AMD Ryzen AM4 DDR4 HDMI DVI VGA M.2 USB 3.1 ATX Motherboard

ASUS Prime is the next evolution of the ASUS motherboard, born of a pedigree that stretches back to 1989. Our team of world-class engineers are passionate about empowering everyone to enjoy the benefits of customization and tuning, and the driving force behind the development of Prime is to make advanced enthusiast controls easily accessible – maximizing performance, stability and compatibility for the very best DIY PC experiences. Simply stated: it's time for Prime.

Powered by AMD® Ryzen™ AM4 processors, the ASUS Prime X370-A delivers next-gen performance and power. Maximize connectivity and speed with NVMe M.2, USB 3.1, Gigabit LAN and support for 64GB of DDR4 RAM. 5X Protection III ensures component longevity and reliability while SafeSlot adds PCIe protection to support heavyweight GPUs.

  • Powered by AMD® Ryzen™ AM4 and 7th generation Athlon™ processors to maximize connectivity and speed with NVMe M.2, USB 3.1 Type A and Gigabit LAN
  • 5X Protection III Hardware-level safeguards provide component longevity and reliability
  • Patent-pending SafeSlot features an injection molding process that integrates metal framing for a stronger, firmly anchored PCIe slot built for heavyweight GPUs
  • FanXpert 2+ with Fan RGB LED Control delivers advanced fan controls for optimized cooling
  • Industry-leading 8-channel HD audio driven by Japanese capacitors features an onboard LED-illuminated design

Features

Reliable Stability and Compatibility

ASUS SafeSlot

Protect your graphics card investment - SafeSlot is the PCIe slot reinvented by ASUS and engineered to provide superior retention and shearing resistance. Manufactured in a single step using a new insert-molding process to integrate the slot with fortifying metal support for an inherently stronger design, SafeSlot is then firmly anchored to the motherboard through additional solder points.

Built to Last

ASUS is the world's foremost motherboard manufacturer, renowned for our unique Design Thinking approach. Our exhaustive testing exceeds industry standards, supported by high-quality components for exceptional real-world protection. Our motherboards are proven to be compatible with more than 1,000 components and devices, and each new model undergoes a minimum of 8,000 hours of strict validation. ASUS gives you the peace of mind of knowing that your motherboard is fit for all environments and applications. By choosing ASUS, you also gain the freedom to select outstanding component options, for trouble-free DIY experiences.

5X Protection III

PRIME X370 series motherboards are engineered with industry-leading 5X Protection III, employing the finest components, excellent circuit design, and exacting standards to guarantee the quality and long-term durability of your motherboard. That means exceptional protection and stability for your build – thanks to decades of engineering experience from the world's leading motherboard brand.

SafeSlot Core

Fortified PCIe with solid soldering – SafeSlot Core is the ASUS-exclusive PCIe slot. Featuring a fortified design that's anchored to the motherboard by a special hook, Safeslot Core provides 1.6x stronger retention and 1.3x greater shearing resistance than standard expansion slots.

LANGuard

Pumped-up throughput. 2.5x higher surge tolerance – ASUS LANGuard is hardware-level networking protection that employs signal-coupling technology and premium anti-EMI surface-mounted capacitors to ensure a more reliable connection and better throughput, plus electrostatically guarded and surge-protected components for greater tolerance to static electricity and improved protection against surges.

Overvoltage Protection

World-class circuit-protecting power design – An exclusive circuit design with built-in voltage regulators to protect your chipset, connectivity ports, and audio codecs from damage caused by unexpected high-level voltages from unstable or inferior power supplies.

DIGI+ VRM

Precision control for stable power – ASUS-exclusive DIGI+ VRM intelligently delivers power to the processor based on real-time demands, reducing energy waste and improving system stability.

DRAM Overcurrent Protection

Short-circuit damage prevention – Onboard resettable fuses prevent overcurrent and short-circuit damage. This extends beyond I/O ports to DRAM to safeguard the lifespan of your system and connected devices.

Stainless-Steel Back I/O

3x corrosion-resistance for greater durability – Corrosion-resistant stainless-steel back I/O panels bonded with chromium oxide have a lifespan that's three times longer than ordinary panels.

ESD Guards

Electrostatic discharge protection – ASUS ESD Guards prevent damage from electrostatic discharge, up to +/- 10kV for air discharge and +/- 6kV for contact discharge, arranged in an active-protective-circuit design that prolongs the life of components.

Proven Compatibility

Tested to be compatible with 1,000+ CPUs, DDR4 memory modules, graphics cards and more.

Having the freedom to pick and choose the parts that go into your machine is at the heart of PC DIY. Our extensive certification program focuses on providing the very best compatibility with the widest range of components and devices, giving you the freedom to build and upgrade without frustration. Compatible today and compatible far into the future – that's the ASUS way.

Extensive List of Supported Devices

View supported devices and Qualified Vendor List for compatible memory.

The superior compatibility of Prime X370 series is evidenced by our extensive list of supported devices - which includes thousands of compatible components - and our Qualified Vendor List that identifies memory compatibility. That means more choices for worry-free PC-building experiences.

Great Compatibility with ASUS Products

ASUS offers a suite of proprietary components - graphics cards, sound cards, optical drives - that perfectly complement Prime X370 series, so you can complete your custom motherboard build with confidence!

Top-to-bottom Reliability

ASUS motherboards have superb endurance. We verify this by subjecting every board to more than 8,000 hours of stringent tests. A barrage of burn-in, environmental, compatibility, software and safety tests confirm that our motherboards are exceptionally robust. It also shows that ASUS reliability surpasses industry standards, ensuring that every component is designed to function flawlessly in any environment.

Superb Performance

DDR4 Support

With DDR4, you'll accelerate memory frequencies up to an incredible to 3200MHz! And ASUS works with almost every DDR4 memory vendor, so you're assured the best compatibility.

Optimized Cooling

Fan Xpert 2+

With onboard thermal sensors and hardware-level 4-pin/3-pin PWM/DC mode detection, Fan Xpert 2+ makes sure every fan achieves the best balance of cooling performance and low noise!

  • Auto-Tuning Mode: Scans fan parameters and all fans with a single click
  • RPM Fixed Mode: Lowers noise levels to near-0dB silence, allowing to you fix the fan speed

Fan RGB LED Control

PRIME B30-PLUS is equipped with a FAN RGB Header. And it supports CPU fan with multi-color LED strips to brighten the motherboard.

Specially designed a Fan RGB header control application and you can through different combination of red, green and blue to choose you like the color of fan light band.

Brighten Up Your Build

LED-illuminated control for audio trace paths

Built-in LED lighting options can illuminate your build in a variety of mesmerizing styles. With specially-designed Fan RGB header control, you can even personalize your own fan lighting scheme with the exclusive AMD RGB Fan!

Gaming Audio

Combined onboard features deliver elevated audio

Intelligent design and premium hardware create audio quality unlike anything you've ever experienced!

Noise isolation

Audio shielding ensures precision analog/digital separation and greatly reduced multi-lateral interference.

Dedicated Audio PCB Layers

Separate layers for left and right tracks ensures both channels deliver consistent, equal quality.

Audio Enjoyment

Premium Japanese audio capacitors provide warm, natural, and immersive sound with exceptional clarity and fidelity.

All-round Energy Saving

Energy Efficient Design

EPU - With the Energy Processing Unit (EPU) you'll enjoy system power savings. EPU automatically optimizes power consumption, and maximizes savings with Away mode.

Ultrafast Transfer Speeds

10Gb/s USB 3.1 Gen 2 Onboard

With backward-compatible USB 3.1 Gen 2 Type-A, you'll experience ultimate connection flexibility and blazing data-transfer speeds of up to 10Gb/s (twice as fast as standard USB 3.1 Gen 1).

Speed Up with Onboard M.2 Up to 32Gb/s

With x4 PCI Express 3.0/2.0 bandwidth, M.2 supports up to 32Gb/s data-transfer speeds. It is the perfect choice for an operating system or application drive, making your whole PC or professional apps work as fast as possible.

Easy PC DIY

Safe Motherboard Mounting

Component-free areas to minimize damage risk.

Fitting your ASUS motherboard is now safer than ever. The comprehensive component-free 'safe zones' around every case-mounting hole minimizes the risk of damage and short circuits caused by contact – so you'll assemble your PC with total confidence!

Q-Slot

Effortless PCI Express component removal.

The large winged clip is easy to reach and easy to operate. Just press the Q-Slot clip lightly, and the graphics card pops out. Installing or removing even the biggest graphics cards is no sweat!

Q-DIMM

Easy memory removal.

Even if you work with a smaller case, just push down on the one-sided clip and push or pull RAM modules in or out – removing memory is that simple!

One-Stop Controls

Media-acclaimed UEFI BIOS

The smoothest, slickest mouse-controlled graphical BIOS has been improved to make it even more appealing. Whether you're a PC novice or a seasoned overclocker, EZ and Advanced modes help you find your way, quickly and easily.

AI Suite 3

One-stop access to innovative ASUS features.

ASUS AI Suite 3 offers a brand-new user experience through a clearer and more attractive interface with support for larger monitors. It consolidates all exclusive ASUS features into one simple-to-use package, allowing you to supervise overclocking, energy consumption, fan speeds, voltages and more. This all-in-one app offers diverse and easy-to-use functionality, with no need to switch back and forth between different utilities.

AMD CPU and Chipset Features

Ready for AMD AM4-socket Ryzen, 7th Generation A-series APUs and Athlon APUs

This motherboard supports AMD® Ryzen™ processors, 7th Generation A-series accelerated processing units (APUs) and Athlon™ CPUs. The high-performance Ryzen™ processor supports up to eight cores, and is based on the innovative Zen core architecture . The 7th Generation A-series APUs feature integrated AMD Radeon R-series graphics. AMD AM4-socket processors feature dual-channel DDR4 memory, native 5Gbps USB 3.1 Gen 1 and 16 PCI Express® 3.0/2.0 lanes for superb performance.

AMD X370 Chipset

The AMD X370 chipset delivers outstanding overclocking capabilities for the latest AMD® AM4-socket Ryzen™ processors, 7th Generation A-series APUs and Athlon™ CPUs. It provides two 10Gbps USB 3.1 Gen 2 ports, and six 6Gbps SATA ports for faster data retrieval.

I/O Ports

Specifications

CPU Support AMD AM4 Socket for AMD Ryzen™/7th Generation A-series/Athlon™ Processors
- Supports AM4 Socket 14 nm CPU
- Supports CPU up to 8 cores
Chipset AMD® X370
   
Memory AMD Ryzen™ Processors:
4 x DIMM DDR4-3200(O.C.)/2933(O.C.)/2666/2400/2133 MHz ECC and non-ECC, Un-buffered Memory, 64GB max.
AMD 7th Generation A-series/Athlon™ Processors:
4x DIMM DDR4-2400/2133, Non-ECC, Un-buffered Memory, 64 GB max. (4x 16GB)
   
Display Support Integrated AMD Radeon™ R Series Graphics in the 7th Generation A-Series APU
Multi-VGA output support : HDMI / DVI-D / RGB ports
- 1 x HDMI v1.4b
- 1 x DVI-D
- 1 x RGB
Maximum shared memory of 2048 MB.
Multi-GPU Support Supports AMD CrossFireX™ Technology
Expansion Slots All of the PCI Express slots conform to PCI Express 3.0 standard.
1 x PCIe 3.0/2.0 x16 (x16 mode)
1 x PCIe 3.0/2.0 x16 (x8 mode)
1 x PCIe 3.0/2.0 x16 (x4 mode)
2 x PCIe 2.0 x1
2 x PCI
   
Storage AMD X370 chipset:
6 x SATA 6Gb/s
AMD Ryzen™ Processors:
1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)
AMD® 7th Generation A-series/Athlon Processors:
1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 2 mode)
Supports Raid 0, 1, 10
   
LAN Realtek® 8111H: 1 x Gigabit LAN Controller
ASUS LAN Guard
   
Audio Realtek® ALC887-VD2 8-Channel High Definition Audio CODEC
- Supports: Jack-detection, Front Panel Jack-retasking
- LED-illuminated design
- Brighten up your build with the gorgeous illuminated audio trace path
- Audio Shielding: Ensures precision analog/digital separation and greatly reduced multi-lateral interference
- Dedicated audio PCB layers: Separate layers for left and right channels to guard the quality of the sensitive audio signals
   
USB Ports AMD Ryzen™/7th Generation A-series/Athlon™ Processors:
4 x USB 3.1 Gen 1 port(s) (4 at back panel, blue)
AMD X370 chipset:
2 x USB 3.1 Gen 2 port(s) (2 at back panel, teal blue)
2 x USB 3.1 Gen 1 port(s) (2 at mid-board)
6 x USB 2.0 port(s) (2 at back panel, black, 4 at mid-board)
Back Panel I/O Ports 1 x PS/2 keyboard/mouse combo port(s)
1 x DVI-D
1 x D-Sub
1 x HDMI
1 x LAN (RJ45) port(s)
2 x USB 3.1 Gen 2
4 x USB 3.1 Gen 1
2 x USB 2.0
3 x Audio jack(s)
Internal I/O Connectors 1 x Fan RGB header
1 x USB 3.1 Gen 1 connector(s) support(s) additional 2 USB 3.1 Gen 1 port(s)
2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
1 x M.2 Socket 3 with M Key, type 2242/2260/2280/22110 storage devices support (SATA mode & PCIE mode)
1 x COM port(s) connector(s)
6 x SATA 6Gb/s connector(s)
1 x CPU Fan connector(s) (1 x 4 -pin)
2 x Chassis Fan connector(s) (2 x 4 -pin)
1 x S/PDIF out header(s)
1 x 8-pin EATX 12 V Power connector
1 x 24-pin EATX Power connector(s)
1 x Front panel audio connector(s) (AAFP)
1 x System panel(s)
1 x Clear CMOS jumper(s)
   
Special Features ASUS 5X Protection III:
- ASUS SafeSlot Core: Fortified PCIe Slot prevents damage
- ASUS LANGuard: Protects against LAN surges, lightning strikes and static-electricity discharges!
- ASUS Overvoltage Protection: World-class circuit-protecting power design
- ASUS Stainless-Steel Back I/O: 3X corrosion-resistance for greater durability
- ASUS DIGI+ VRM: 6 Phase digital power design
ASUS Exclusive Features:
- AI Suite 3
- AI Charger
- ESD Guards
ASUS Quiet Thermal Solution:
- Stylish Fanless Design Heat-sink solution & MOS Heatsink
- ASUS Fan Xpert 2+
ASUS EZ DIY:
- ASUS EZ Flash 3
- ASUS CrashFree BIOS 3
- ASUS UEFI BIOS EZ Mode
- Multi-language BIOS
ASUS Q-Design:
- ASUS Q-Slot
- ASUS Q-DIMM
   
Supported OS Windows® 10, 64 bit
   
BIOS 128 Mb Flash ROM, UEFI AMI BIOS, PnP, DMI3.0, WfM2.0, SM BIOS 3.0, ACPI 6.1, Multi-language BIOS, ASUS EZ Flash 3, ASUS CrashFree BIOS 3, My Favorites, Last Modified log, F12 PrintScreen, ASUS DRAM SPD (Serial Presence Detect) memory information, F6 Qfan Control
Manageability WfM 2.0, DMI 3.0, WOL by PME, PXE
   
Form Factor ATX Form Factor
12" x 9.35" (30.5 x 23.7 cm)

Package Contents

  • Asus PRIME X370-A ATX Motherboard
  • User's Manual
  • I/O Shield
  • 2 x SATA 6Gb/s cable(s)
  • 2 x M.2 Screws Package