Asus PRIME A320I-K w/ DDR4-2666, 7.1 Audio, Gigabit LAN, PCI-E x16

MX78347 PRIME A320I-K w/ DDR4-2666, 7.1 Audio, Gigabit LAN, PCI-E x16
MX78347 PRIME A320I-K w/ DDR4-2666, 7.1 Audio, Gigabit LAN, PCI-E x16 MX78347 PRIME A320I-K w/ DDR4-2666, 7.1 Audio, Gigabit LAN, PCI-E x16 MX78347 PRIME A320I-K w/ DDR4-2666, 7.1 Audio, Gigabit LAN, PCI-E x16 MX78347 PRIME A320I-K w/ DDR4-2666, 7.1 Audio, Gigabit LAN, PCI-E x16

Product Info

AMD AM4 mini–ITX motherboard with Aura Sync RGB header, DDR4 3600MHz, 32Gb/s M.2, HDMI, DisplayPort, SATA 6Gb/s, USB 3.0

Powered by AMD® Ryzen™ AM4 processors, the ASUS Prime A320I-K packs performance and reliability into a mini ITX form-factor. Access next-generation connectivity and speeds with NVMe M.2, USB 3.1 Gen1, Gigabit LAN and support for 32GB DDR4. 5X Protection III ensures component longevity and reliability while SafeSlot Core adds PCIe slot protection.

  • 5X Protection III: Multiple hardware safeguards for all-round protection
  • Native M.2: Lightning-fast storage speeds
  • One-stop controls: Media-acclaimed UEFI BIOS with EZ Flash 3
  • Fan Xpert 2+: Flexible controls for ultimate cooling and quietness, plus GPU-temperature sensing forcooler gaming.
  • ASUS Aura Sync header: Onboard connector for RGB LED strips, easily synced with an ever-growing portfolio of Aura Sync-capable hardware.

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.

Features

RELIABLE STABILITY AND COMPATIBILITY

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.

Hardware safeguards to ensure long-term durability.

Industry-leading DDR4 memory compatibility for best flexibility and reassurance.

Compatibility with a range of CPUs, memory modules, graphics cards and more.

Extensive testing with latest components for enhanced reliability, compatibility and safety.

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 Prime motherboards have strengthened solder points around both the PCIe and DIMM pins.

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.

* Specifications and Outstanding Audio vary by model, and all images are illustrative. Please refer specification pages for full details.

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.

* Specifications and Outstanding Audio vary by model, and all images are illustrative. Please refer specification pages for full details.

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.

* Specifications and Outstanding Audio vary by model, and all images are illustrative. Please refer specification pages for full details.

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 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.

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.

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.

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.

* Specifications and Outstanding Audio vary by model, and all images are illustrative. Please refer specification pages for full details.

OPTIMIZED COOLING

Fan Xpert 2+

Dedicated CPU and case fan controls

Prime A320 Series motherboards offer comprehensive control over chassis fan, via the included Fan Xpert 2 software, Auto-tuning mode intelligently configures all parameters with a single clicks.

* Specifications and Outstanding Audio vary by model, and all images are illustrative. Please refer specification pages for full details.

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!

* Specifications and Outstanding Audio vary by model, and all images are illustrative. Please refer specification pages for full details.

ALL-ROUND ENGERY 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

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.

* Specifications and Outstanding Audio vary by model, and all images are illustrative. Please refer specification pages for full details.

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!

EASY PC DIY

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.

EZ Flash 3
Update the BIOS via the internet, without leaving the BIOS interface.

S.M.A.R.T
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.

EZ mode

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.

Advanced mode

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.

* Specifications and Outstanding Audio vary by model, and all images are illustrative. Please refer specification pages for full details.

Aura Sync

Outshine the competition

A well-tuned enthusiast system deserves a matching aesthetic. ASUS Aura Sync offers full lighting connected via the motherboard's RGB header, with a variety of functional presets for external LED strips.* And it can all be synced with an ever-growing portfolio of Aura-capable ASUS hardware.

* The Aura RGB-strip header supports 5050 RGB LED strips with a max power rating of 3A (12V). For maximum brightness, strip length should not exceed 3m.
LED strips and Aura Sync-compatible devices are sold separately.

* Specifications and Outstanding Audio vary by model, and all images are illustrative. Please refer specification pages for full details.

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.

Specifications

CPU AMD AM4 Socket for 2nd/1st AMD Ryzen™/2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/Athlon™ with Radeon™ Vega Graphics/7th Generation A-series/Athlon X4 Processors
Supports CPU up to 8 cores

* Refer to www.asus.com for CPU support list

Chipset AMD A320
   
Memory AMD Ryzen™ 2nd Generation Processors
2 x DIMM, Max. 32GB, DDR4 3600(O.C.)/3466(O.C.)/3400(O.C.)/3200(O.C.)/3000(O.C.)/2933(O.C.)/2800(O.C.)/2666/2400/2133 MHz Non-ECC, Un-buffered Memory

AMD Ryzen™ with Radeon™ Vega Graphics/ Ryzen™ 1st Generation Processors
2 x DIMM, Max. 32GB, DDR4 3400(O.C.)/3200(O.C.)/3000(O.C.)/2933(O.C.)/2800(O.C.)/2666/2400/2133 MHz Non-ECC, Un-buffered Memory

AMD 7th Generation A-series/Athlon™ Processors
2 x DIMM, Max. 32GB, DDR4 2400/2133 MHz Non-ECC, Un-buffered Memory Dual Channel Memory Architecture

* Refer to www.asus.com the Memory QVL (Qualified Vendors Lists)

   
Display Support Integrated Graphics in the AMD Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics/ 7th Generation A-Series APU
Multi-VGA output support : HDMI/DisplayPort ports
- Supports HDMI 1.4b with max. resolution 4096 x 2160 @ 24 Hz / 2560 x 1600 @ 60 Hz
- Supports DisplayPort with max. resolution 4096 x 2160 @ 60 Hz
Maximum shared memory of 2048 MB (for iGPU exclusively)

* DP 1.2 Multi-Stream Transport compliant, supports DP 1.2 monitor daisy chain up to 3 displays

Multi-GPU Support None
Expansion Slots AMD Ryzen™ 2nd Generation/ Ryzen™ 1st Generation Processors
1 x PCIe 3.0/2.0 x16 (x16 mode)

AMD Ryzen™ with Radeon™ Vega Graphics /7th Generation A-Series/Athlon X4 Processors
1 x PCIe 3.0/2.0 x16 (x8 mode)

AMD Athlon™ with Radeon™ Vega Graphics Processors
1 x PCIe 3.0/2.0 x16 (x4 mode)


   
Storage AMD Ryzen™ 2nd Generation/ Ryzen™ with Radeon™ Vega Graphics/ Ryzen™ 1st Generation Processors :
1 x M.2 Socket 3, , with M Key, type 2242/2260/2280 storage devices support(both PCIE 2.0 x4 & SATA mode)

AMD 7th Generation A-Series/ Athlon™ X4 Processors :
1 x M.2 Socket 3, , with M key, type 2242/2260/2280 storage devices support (SATA mode)

AMD Athlon™ with Radeon™ Vega Graphics Processors :
1 x M.2 Socket 3, , with M key, type 2242/2260/2280 storage devices support (SATA mode)

AMD A320 chipset:
4 x SATA 6Gb/s port(s), gray,
Support Raid 0, 1, 10

 

   
LAN Realtek® RTL8111H, 1 x Gigabit LAN Controller(s)
ASUS LAN Guard
Wireless Data Network None
Bluetooth None
   
Audio Realtek® ALC887 8-Channel High Definition Audio CODEC
- Supports : Jack-detection, Front Panel Jack-retasking

Audio Feature :
- 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
- Premium Japanese audio capacitors: Provide warm, natural and immersive sound with exceptional clarity and fidelity
* Choose the chassis with HD audio module in front panel to support 8-channel audio output.

   
USB AMD Ryzen™ 2nd Generation/ Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics/ Ryzen™ 1st Generation/ 7th Generation A-Series/ Athlon™ X4 Processors :
4 x USB 3.1 Gen 1 port(s) (4 at back panel, blue)

AMD A320 chipset :
2 x USB 3.0 port(s) (2 at mid-board)

AMD A320 chipset :
4 x USB 2.0 port(s) (2 at back panel, black, 2 at mid-board)

 

   
Back Panel I/O Ports 1 x PS/2 keyboard/mouse combo port(s)
1 x DisplayPort
1 x HDMI
1 x LAN (RJ45) port(s)
4 x USB 3.1 Gen 1 (blue)
2 x USB 2.0 3 x Audio jack(s)
Internal I/O Connectors 2 x Aura RGB Strip Headers
1 x USB 3.1 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 USB 3.1 Gen 1 port(s) (19-pin)
1 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 storage devices support (SATA & PCIE 3.0 x 4 mode)
1 x TPM header 4 x SATA 6Gb/s connector(s)
1 x CPU Fan connector(s)
1 x CPU OPT Fan connector(s) (1 x 4 -pin)
2 x Chassis Fan connector(s) (1 x 4 -pin)
1 x 24-pin EATX Power connector(s)
1 x 8-pin ATX 12V 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 Overvoltage Protection: World-class circuit-protecting power design
- ASUS Stainless-Steel Back I/O: 3X corrosion-resistance for greater durability!
- ASUS DIGI+ VRM: Premium components provide better power efficiency
- ASUS ESD Guards
- Enhanced ESD protection

ASUS EPU :
- EPU

AURA :
- Aura Lighting Control
- Aura RGB Strip Headers

ASUS Exclusive Features :
- AI Suite 3
- Ai Charger

ASUS Quiet Thermal Solution :
- Stylish Fanless Design Heat-sink solution
- ASUS Fan Xpert 2+

ASUS EZ DIY :
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode

ASUS Q-Design :
- ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED)
- ASUS Q-Slot
- ASUS Q-DIMM

   
BIOS 128 Mb Flash ROM, UEFI AMI BIOS, PnP, SM BIOS 3.1, ACPI 6.1, Multi-language BIOS, ASUS EZ Flash 3, CrashFree BIOS 3, F11 EZ Tuning Wizard, F6 Qfan Control, F3 My Favorites, Last Modified log, F9 Search, F12 PrintScreen, and ASUS DRAM SPD (Serial Presence Detect) memory information
Manageability N/A
OS Support Windows® 10 64-bit
Form Factor Mini ITX Form Factor
6.7 inch x 6.7 inch ( 17 cm x 17 cm )

Package Contents

  • PRIME A320I-K Motherboard
  • User's manual I/O Shield
  • 2 x SATA 6Gb/s cable(s)
  • 1 x M.2 Screw Package
  • 1 x Supporting DVD
  • 1 x M.2 bracket