ASUS Prime A320M-A Motherboard For AMD Ryzen AM4 Processors
Simply Stated: It's Time For Prime!
ASUS Prime is the next evolution of the ASUS motherboard, born of a pedigree that stretches way back to 1989.
ASUS's 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.
- For AMD® Ryzen™ AM4 Processors
to maximize connectivity and speed with NVMe M.2, support for 64GB of DDR4, front USB 3.1 Gen 1 and Gigabit LAN
- 5X Protection III Hardware-level Safeguards
provide component longevity and reliability
- Patent Pending SafeSlot Core
fortified PCIe slot prevents damage from heavyweight GPUs
delivers advanced fan controls for optimized cooling
- Industry Leading 8-channel HD Audio
driven by Japanese capacitors features an onboard LED-illuminated design
Reliable Stability and Compatibility
Built to Last
ASUS is the world's foremost motherboard manufacturer, renowned for their unique Design Thinking approach. Their exhaustive testing exceeds industry standards, supported by high-quality components for exceptional real-world protection.
Their 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
Hardware safeguards to ensure long-term durability
- 350+ DDR4 Compatibility
Industry-leading DDR4 memory compatibility for best flexibility and reassurance
- 1000+ Compatible Devices
Compatibility with a range of CPUs, memory modules, graphics cards and more
- 8000+ Validation Hours
Extensive testing with latest components for enhanced reliability, compatibility and safety
5x Protection III
PRIME A320 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.
Fortified PCIe slot prevents damage
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.
ASUS Prime motherboards have strengthened solder points around both the PCIe and DIMM pins.
Pumped-up throughput w/ 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.
* ESD result is undertaken by individual LANGaurd
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 ShortCircuit Protection
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
Specifications and features vary by model, and all images are illustrative
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.
- LAN port
ESD TVS diode protection on the LAN circuit
- USB connectors
TVS diodes for surface-mount and dual-inline packages
- VGA connectors
Additional on-circuit ESD TVS diodes to protect D-Sub functionality
- Keyboard and mouse connectors
Additional on-circuit ESD transient-voltage-suppression
Tested Compatible With 1,000+ Computer Components
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 A320 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 A320 series, so you can complete your custom motherboard build with confidence!
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.
8000+ VALIDATION HOURS
- Temperature and Humidity Test:
Ensures components withstand extreme conditions
- Thermal Measurement Test:
Ensures that the system remains cool and stable under the heaviest loads
- Insertion Test:
Every port and connector is put through repeated installation cycles
- Aging Test:
Up to 48-hour aging test ensures reliability
- Power Consumption Test:
Checked for world-class energy efficiency
- Temperature and DC Margin Test:
Ensures that the motherboard is capable of coping with Voltage fluctuations caused by varying temperatures
- Thermal Shock Test
Ensures ability to survive temperature changes during transportation
- Non-Operation Shock Test:
Built to withstand jolts that may occur during shipping
- Burn-In Test:
Every component is checked to ensure flawless operation in any environment
- Installation Test:
Connector placement is double-checked to ensure hassle-free installation
- Drop Test:
Drop tests from various heights ensure durability
- Salt and Spray Test:
Tested for I/O reliability, prolonged lifespan and rust-resistance
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.
Enjoy the benefits of DDR4 vs. DDR3 RAM
- 2x Faster read / write speeds
- 2x Larger capacity
- 20% lower power consumption
Fan Xpert: Dedicated CPU and Case Fan Controls
Exclusive Fan Xpert ensures every fan achieves the best balance of cooling performance and low noise - and with Prime A320 series boards and their hardware-level 4-pin/3-pin PWM/DC mode for case fans, a simple BIOS adjustment lets you run your case fan in PWM/DC. Fan Xpert even includes Auto-Tuning mode to scan and detect all fan characteristics for single-click customization!
Game in Your Way
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
EPU: Energy Efficient Design
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
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.
Instant Front Panel USB 3.0 Experience
We've put USB 3.0 right where you need it - two super-speed ports on the front panel. Experience data-transfer speeds up to 10X faster than USB 2.0 with instant plug-and-play connectivity, so no more back-breaking contortions in the hunt for hard-to-reach rear ports!
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!
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.
- EZ Flash 3
Update the BIOS via the internet, without leaving the BIOS interface
Check your storage device Self-Monitoring, Analysis, and Reporting Technology logs to gauge reliability and possibly to determine potential failures
- Q-Fan Control
You can configure the fan's operating speed manually, or use the easy pre-configured fan profiles to select Standard, Silent, Turbo, or Full Speed modes
- My Favorite
Quickly find tuning options and add preferred tools to the list
- Intuitive graphical fan control
Fine-tune individual fans simply by dragging a curve with the mouse
- EZ XMP
Improve DRAM performance with a click
- SATA Information
Easily display SATA port details for device identification
- Fast Clock Adjustment
Use mouse controls to quickly change time and date settings
- Last modified log
Track last change and save preferred profiles onto a USB drive
- SATA port renaming
Rename SATA ports for easy identification
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 Gen A-series APUs and Athlon APUs
This motherboard supports AMD® Ryzen™ processors, 7th Gen 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 Gen A-series APUs feature integrated AMD Radeon R-series graphics. AMD AM4-socket processors feature dual-channel DDR4 memory, native 5Gbps USB 3.0 and 16 PCI Express® 3.0/2.0 lanes for superb performance.
AMD A320 Chipset
The AMD A320 chipset delivers outstanding capabilities for the latest AMD® AM4-socket Ryzen™ processors, 7th Gen A-series APUs and Athlon™ CPUs. It provides 2x USB 3.0 ports, and 4x 6Gbps SATA ports for faster data retrieval.
This Motherboard matches the following hardware:
- AMD® AM4 RYZEN™ & A Series / Athlon Processors (Socket PGA 1331)
- DDR4 RAM Kits
- Windows® 10, 64 bit
This Motherboard supports AMD® AM4 RYZEN™ & A Series / Athlon Processors on Socket PGA 1331. However, specifcations shown on this page are for Ryzen™ Processors only.
|CPU Support||AMD® AM4 RYZEN™ & A Series / Athlon Processors
on Socket PGA 1331
|Chipset||AMD® A320 Chipset|
|Memory||4x DDR4 DIMM Slots for DDR4-2666 / 2400 / 2133 RAM
Supports Overclocked RAM: DDR4-3200 / 2933
64GB Maximum (4x 16GB)Dual Channel Memory Architecture
Supports ECC and non-ECC, Un-buffered Memory
|Expansion Slots||1x PCI-E 3.0 x16 slot
(Runs at x8 w/ A-Series & Athlon CPUs)
2x PCI-E 2.0 x1 slots
|Multi-GPU Support||Not Available|
|Display Interface||AMD Ryzen CPUs do not support CPU Integrated Graphics
A dedicated Graphics Card is required.
Integrated AMD Radeon™ R Series Graphics in the 7th Gen A-Series Processors:
|Storage||4x SATA 6Gb/s ports w/ Raid 0, 1, 10 support
2x SATA 6Gb/s ports w/o Raid support
1x M.2 Socket 3, with M key, type 2242/2260/2280 storage device support (SATA & PCIE 3.0 x4 modes)
|LAN||Realtech® RTL8111H Chipset:
1x Gigabit RJ45 LAN port
|Audio||Realtek® ALC887 8-Channel High Definition Audio CODEC: 3x 3.5mm Rear Audio jacks|
4x USB 3.1 Gen 1 ports
AMD A320 chipset:
|Back Panel I/O||1x PS/2 keyboard (purple) port
1x PS/2 mouse (green) port
1x DVI-D port
1x D-Sub port
1x HDMI port
1x RJ45 LAN port
4x USB 3.1 Gen 1 (blue)
2x USB 2.0 ports
3x 3.5mm Audio jack
|Internal I/O Connectors||1x USB 3.1 Gen 1 connector supports 2x USB 3.1 Gen 1 ports (19-pin)
2x USB 2.0 connectors support 4x USB 2.0 ports
1x M.2 Socket 3 with M Key, type 2242/2260/2280/22110 SSD support (SATA & PCIE modes)
1x COM port connector
6x SATA 6Gb/s connector
1x CPU Fan connector (1x 4-pin)
1x Chassis Fan connector (1x 4-pin)
1x S/PDIF out header
1x 24-pin EATX Power connector
1x 8-pin ATX 12V Power connector
1x Front panel audio connector (AAFP)
1x System panel
1x Clear CMOS jumper
1x Speaker connector
|BIOS||128 Mb Flash ROM, UEFI AMI BIOS, PnP,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|
|Form Factor||micro ATX Form Factor|
|Dimensions (LxW)||244 x 240mm|