ASUS Prime A320M-K DDR4 AMD AM4 Socket Mainboard
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.
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 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.
SafeSlot Core 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 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.
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
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
Corrosion-resistant stainless-steel back I/O panels bonded with chromium oxide have a lifespan that’s three times longer than ordinary panels.
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.
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
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.
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.
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!
Combined onboard features deliver elevated audio
Intelligent design and premium hardware create audio quality unlike anything you’ve ever experienced!
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.
Instant front-panel USB 3.0 Experience
We’ve put USB 3.0 right where you need it – four 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!
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
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 3.0 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 Generation A-series APUs and Athlon CPUs. It provides two USB 3.0 ports, and four 6Gbps SATA ports for faster data retrieval.
Model – ASUS Prime A320M-K, CPU Sockets – AM4, Chipset – AMD A320, Supported CPU – AMD Ryzen 1st and 2nd Generation / Ryzen with Radeon Vega Graphics Processors, Athlon with Radeon Vega Graphics and 7th Generation A-series / Athlon X4 Processors, Memory Type – DDR4, Memory MHz – 3200(O.C.)/ 3000(O.C.)/ 2933(O.C.)/ 2800(O.C.)/ 2666/ 2400/ 2133MHz, Memory Channel – Dual, Memory Slot – 2, Memory Max. – 32GB, Optane Memory Support – No, Graphic – Integrated Graphics, PCI Express Slot – 1 x PCIe 3.0/2.0 x16 (x16 mode, x8 mode, x4 mode), 2 x PCIe 2.0 x1, Storage Interface – 6Gb/s, M.2 Slot – 1 x M.2 Socket 3 (type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x 4 mode)), LAN Chipset – Realtek RTL8111H, LAN Speed (Mbps) – 10/100/1000Mbps, Audio Chipset – Realtek ALC887, Audio Channel – 8-Channel, USB Port – 4 x USB3.1 Gen 1, 2 x USB3.0, 6 x USB2.0, VGA Port – 1, HDMI Port – 1, SATA Port – 4 x SATA, BIOS Type – 1 x 128 Mbit Flash ROM, BIOS Model – UEFI AMI BIOS, BIOS Version – PnP,WfM2.0, SM BIOS 3.0, ACPI 6.1, Supported Operating System – Windows 7 / 10, Form Factor – mATX, RaidSupport – 0,1,10, Special Features – ASUS 5X Protection III, AI Suite 3, Ai Charger, ASUS Quiet Thermal Solution, ASUS EZ DIY, ASUS Q-Design, Multiple hardware safeguards for all-round protection, LED illumination, Lighting control for audio trace paths, Native M.2, Lightning-fast storage speeds, One-stop controls, Media-acclaimed UEFI BIOS with EZ Flash 3, Others – 1 x M.2 Socket 3, 1 x COM port(s) connector(s), 1 x CPU Fan connector(s) (1 x 4 -pin), 1 x System panel(s), 1 x Clear CMOS jumper(s), 1 x Speaker connector, 3 x Audio jack(s), Warranty – 3 Year