PRIME Z270-A

Intel LGA-1151 ATX motherboard with Aura Sync, DDR4 3866, dual M.2, Intel Optane memory ready, HDMI, SATA 6 Gb/s, USB 3.1 Type-C

5-Way Optimization – One-click system-wide tuning that now also senses GPU temperatures to ensure cooler gaming
ASUS Aura Sync – World’s 1st synced RGB lighting with easy controls to orchestrate Aura Sync-capable hardware
3D Printing Friendly – 1st motherboard brand to support 3D-printed parts, with dedicated 3D mounts for easy installation
Refined Audio – Realtek S1220A codec provides pristine and powerful
5X Protection III: Multiple hardware safeguards to protect components from damage by power or electrical surges

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Power At Your Fingertips

Aura Sync and Audio Enhancement

Reliable Stability and Compatibility

Make It Your Own

Multi-GPU Support

Work With Up To 3 Displays

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.

Power At Your Fingertips

One-click Overclock and Cooling

Get performance, efficiency, digital power, fan control and even networking and audio tuning tailored for you

One click takes care of all that complex tuning. ASUS 5-Way Optimization makes your PC smart. It dynamically optimizes essential aspects of your system based on real-time usage — so you get superb CPU performance, everyday energy savings, ultra-stable digital power, cool and quiet fans, and now networking and audio settings that are tailored to your apps. In short, 5-Way ASUS Optimization ensures that your PC is perfect for gaming, entertainment and productivity!

Games run swiftly and smoothly with high performance, prioritized bandwidth and vivid sound.
Fans stay whisper-quiet for everyday computing, and ensure extreme cooling efficiency when gaming.
Stutter is eliminated for smooth-running apps, even under heavy loading.
Energy waste is reduced so you'll save money.

Overclock CPU

Testing configuration:
Intel® LGA 1151 i7-7700K | PRIME Z270-A | Corsair DDR4 3200 4G*4 | Corsair H110i | Windows 10

CPU performance boost
Energy Efficient Design
Advanced fan controls
Precise Digital Power Control
Game faster, rank higher

CPU performance boost

TPU

Unleash your PC's full performance with the ASUS AI Suite 3 utility! The TurboV processing unit offers precise voltage control and advanced monitoring for the CPU and graphics card, enabling great freedom to adjust CPU frequencies and ratios for optimized performance while also maximizing the potential of your graphics card*.

*ASUS GT 700 or later graphics card

Energy efficient design

EPU

With the Energy Processing Unit you'll enjoy system-wide power savings — with CPU-wattage reductions of up to 12W*! The EPU automatically optimizes power consumption and maximizes savings with Away mode: A setting that creates an extreme energy-saving scenario by shutting down unused I/O controllers and reducing power to the graphics cards while you're away.

*Testing configuration:
Intel LGA1151 i5-7400T, 35W | PRIME Z270-A | DRAM: Samsung 2133MHz 8GB*2 | PSU : Seasonic 400W (SS-400FL, efficiency 90% @ 20% loading) | Fan: VETTE Cooler | HDD : Samsung SSD 840 PRO 256GB| Display Output: HDMI | Windows 10

Flexible cooling controls for air and liquid

*ASUS GT 700 or later graphics card

Fan Xpert 4

ASUS Prime Z270-A features the most comprehensive fan controls ever, configurable via Fan Xpert 4 and UEFI BIOS.

Multiple temperature sources
Each header monitors and reacts to three thermal sensors that can now also sense temperature on ASUS graphics cards*
All-in-one water-cooling set
Full control of PWM or DC water pumps, perfect for both custom and self-contained cooling setups.
4-pin PWM/DC fan
Every onboard header supports auto-detection of PWM or DC fans.
High-amp fan support
A dedicated fan header that can supply up to 3 Amps, for high-speed high-current fans.
Smart protection
A dedicated integrated circuit protects each fan header from over-temperature and overcurrent.
Fan Extension Header

Comprehensive fan controls
Full control of fan speeds, hysteresis, and fan-stop modes on every header, via Fan Expert 4 or the UEFI.
Auto-Tuning Mode
Scans all fan parameters with a single click.
Extreme Quiet Mode
Reduces all fan speeds to below the default minimum, for extra-quiet operation and power savings during light loads.

BACK

Precise digital power control

DIGI+ Power Control

Power control is one of the most essential motherboard designs. Intelligent CPU-power-draw detection with ASUS Digi+ Power Control is an innovative, industry-leading technology that fully complies with Intel® IMVP8 specifications, increasing overclocking potential, enhancing system stability, and improving power efficiency with superior flexibility and accurate control.

App specific optimization for professionals and gamers

Turbo App

Whether you're a business professional or hardcore gamer, you'll feel the benefit of the ASUS-exclusive Turbo App. Its intuitive tuning panel boosts a range of hardware: Overclocking the CPU, tuning the fans, prioritizing network data and optimizing audio settings — all with automated ease!

OC Design – ASUS PRO Clock Technology

A dedicated base-clock generator designed for 7th Generation Intel® processors allows overclocked base clock frequencies up to or beyond 425MHz*. This custom solution works in tandem with the ASUS TurboV processing unit to enhance voltage and base-clock overclocking control — providing an exciting new way to boost performance to extreme heights.

Advantages of Pro Clock

Reduced boot time
Lower jitter under extreme conditions for overclocks
Increased stability under heavy overclocking

*BCLK overclocking range will vary according to CPU capabilities, cooling, motherboard support and tuning options. Ranges up to 650MHz are possible under select conditions.

Testing configuration:
Intel® LGA 1151 i7-7700K | PRIME Z270-A | Corsair DDR4 3200 4G*4 | Corsair H110i | Windows 10

DDR4 Overclocking Strength in Numbers

Third-generation ASUS T-Topology allows memory frequencies that are higher than ever — to 3866MHz and beyond. Refined manufacturing ensures ultra-consistent quality and minimal crosstalk between custom trace paths, so you'll enjoy the thrill of overclocking DDR4 with time-aligned signaling for superior stability and compatibility.

Hardware Upgrade Zone

SLI HB bridge (2-WAY-M)

The new ASUS SLI HB bridge doubles the available transfer bandwidth to provide silky-smooth surround gaming. Compatible with NVIDIA® Titan X, GeForce GTX 1080 and GeForce GTX 1070 graphics cards, SLI HB bridge is your fast track to gaming greatness.

Native M.2/NVMe PCIe RAID Support for
Lightning Fast Storage Speed

Not satisfied with single-storage device read/write speeds? Then join the fast lane and build a RAID 0 array using two PCIe storage drives to enjoy data transfers at lightning speeds!

M.2+M.2

M.2+PCIe

PCIe
+
U.2 via Hyper Kit*

*Purchase separately

Connect with Unparalleled Speeds

Intel Optane Memory Ready

Intel® Optane™ Memory* is a revolutionary (non-volatile memory) technology supported by Prime 200-series motherboards. Intel Optane Memory modules accelerate attached storage to reduce boot and load times, so everything feels faster and more responsive.

*Supports 7th Generation Intel® processors. Requires driver and BIOS update.

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.

10Gb/s USB 3.1 Onboard

With backward-compatible USB 3.1 Type-A and reversible USB 3.1 Type-C ports, you'll experience ultimate connection flexibility and blazing data-transfer speeds of up to 10Gb/s (twice as fast as standard USB 3.0).

ThunderboltEX 3 for Blistering Speeds and USB-C Connectivity

Prime Z270-A supports the ThunderboltEX 3 card for breathtaking bi-directional Thunderbolt™ 3 transfer speeds of up to 40Gbps, 4x USB speeds, 2x video bandwidth; and for reversible USB 3.1 Type-C compatibility as well as high-powered 36W charging!
>>Learn More

*Available to purchase separately.

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

Flash the latest BIOS through internet under BIOS.

S.M.A.R.T

Check your storage device Self-Monitoring, Analysis, and Reporting Technology logs to gauge reliability and determine potential failures.

EZ Tuning Wizard

Select your hardware and apply different scenarios to tune system performance, or streamline your RAID configuration for faster data retrieval and backups!

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

GPU POST See recommendations for multi-VGA configuration and detailed information for selected ASUS graphics cards.
Secure erase Restore SSDs to factory-fresh condition.
Last modified log Track last change and save preferred profiles onto a USB drive.
SATA port renaming Rename SATA ports for easy identification.

Aura Sync and Audio Enhancement

Outshine The Competition

ASUS Aura Sync technology for distinctive lighting effects

Aura Sync takes RGB lighting beyond the checkbox, combining and controlling the LEDs of your Aura-enabled products from a single application — so you can achieve perfect, synchronized lighting harmony. Aura lets you sync light effects across your graphics card, Prime Z270-A motherboard, and an ever-growing portfolio of Aura-enabled products.

Learn more about Aura Sync > Note: Synchronization between ASUS motherboard, graphics card and peripherals is enabled and controlled by ASUS Aura-ready motherboards. Visit the support page for your Aura-enabled motherboard and download Aura software by clicking Driver & Tools > Utilities.

Brighten Up Your Build

ASUS Aura lighting control

A well-tuned system deserves a matching aesthetic. ASUS Aura offers full RGB lighting control with a variety of functional presets for built-in RGB LEDs as well as LED strips connected to the onboard 4-pin RGB headers — all of which can be synced with an ever-growing portfolio of Aura Sync-capable ASUS hardware.

Exclusive Audio Features

Realtek codec and unique design features for pristine, powerful audio

ASUS Prime Z270-A utilizes a unique audio codec designed in close collaboration with Realtek — the Realtek S1220A. It also features an unprecedented 120dB signal-to-noise ratio for the stereo line-out and a 113dB SNR for the line-in, providing pristine audio quality. Additionally, a new impedance-sensing circuit automatically adjusts gain to ensure the optimal volume range for your headphones.

Flawless Audio That Makes You Part of The Game

Crystal Sound 3

Surround Sound to Go

DTS Headphone:XTM

Immersive 3D surround-sound technology provides incredibly rich audio experiences.

Intel Ethernet

More throughput, less CPU usage and great gaming experiences

Prime Z270-A features the very latest Intel® Ethernet for faster, smoother gaming. Intel's LAN has the serious double advantage of reducing CPU overhead and offering exceptionally high TCP and UDP throughput. This significantly reduces the processor's workload, so there's more power for your game!

Turbo LAN

Network-optimization software for customizable packet prioritization

Turbo LAN with cFosSpeed traffic-shaping technology adds even more lag-reducing support and an intuitive user interface. It allows you to lower lag with no expert knowledge — by up to 1.45x! If you're a tweaker, use Advanced mode for hardcore controls.

Reliable Stability and Compatibility

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, the SafeSlot is then firmly anchored to the PCB 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.

Protection III

Hardware safeguards to ensure long-term durability.

520+

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.

Learn More

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.

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.

* ESD result is undertaken by individual LANGaurd

EMI cover

Anti-EMI
surface-mounted
capacitors

Overvoltage Protection

World-class circuit-protecting power Design

An exclusive circuit design with built-in voltage regulators to protect your motherboard 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 Z270-A 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 components are the perfect complement for your Prime Z270-A motherboard because we design products from the ground up to ensure that everything works together perfectly — and that of course includes easy synchronization with ASUS Aura-sync capable gear.

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.

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 voltages 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.

Make It Your Own

3D Printing Friendly

Make it your own

ASUS is the first motherboard manufacturer to support 3D printing, making it easy to customize your motherboard's appearance and improve system performance with a range of printable parts.

Exclusive 3D mount for easy installation

Dedicated 3D mounts on the motherboard makes fitting 3D-printed parts easy. Using the same screws as M.2 drives and standard motherboard mounting holes, you can easily add nameplates, cable covers, or an M.2 fan holder in a matter of moments.
*Products with the 3D Printing Friendly logo feature the specialized 3D mount and are also bundled with an extra 3D mount kit.

3D-printable accessories

As system parts are visible in custom PC builds, make yours stand out from the competition with 3D-printed accessories.

2-Way SLI HB bridge cover

Clip the cover onto the PCB SLI HB bridge to add style to your build. Multiple form factors — eATX, ATX and mATX — are available.

Fan grill

Add a little extra style to your build.

Cable combs

Keep cables organized with the multi-connector design. 3D design files are available for 24-pin, 8-pin, 8 + 6-pin, 6-pin and 4-pin PSU connectors.

Guide to start 3D printing

Follow these steps to start printing your own 3D parts – and integrate them seamlessly into your PC build!

Download

Select the 3D source files you want to download.

Personalize

Adjust size or shape, add text or change other attributes.

Use your own printer, or visit a local vendor or ASUS store with Shapeways.

Setup

Easily assemble and fit your 3D-printed parts using M.2 nuts or existing case mounts.

Learn More

Easier DIY, Every Day

We understand how you use your PC. From assembly, system settings and monitoring, to firmware and hardware updates — ASUS strives to provide the best user experience. That's why we never stop developing new and exciting DIY opportunities to make PC DIY easy, fun and hassle-free!

CPU Installation Tool Kit

Three-step simplicity and safety

One mistake during fitting could damage your processor or socket — but not with the ASUS CPU installation kit. Just pop your CPU in the special tool, insert the tool directly into the CPU socket and close the latch positions — then you're good to go!

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!

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-Connector

Easy, quick, and accurate connections

You no longer need to worry about which front-panel wire goes where. Just pop the wires into Q-Connector's one-piece plug and you're good to go.

Q-Shield

Easy and safe on fingers

Unlike other I/O shields with sharp edges, the exclusive Q-Shield is soft and pliable — so it's easy to avoid cuts.

Q-LED

Easy PC diagnostics

Q-LED indicates problems with the CPU, memory, graphics card or boot device, so you can quickly diagnose and remedy any issues — and wave goodbye to endless frustrations!

Intel CPU and Chipset Features

Intel® Z270 Chipset

The Intel® Z270 is a single-chipset design that supports 7th Generation and 6th Generation Intel LGA1151 Core™ i7/Core i5/Core i3/Pentium®/Celeron® processors. It provides improved performance by utilizing serial point-to-point links, allowing increased bandwidth and stability. Additionally, the Z270 provides a maximum of 10 USB 3.0 ports, six SATA 6Gbps ports, and 32Gb/s M.2 and PCIe 3.0 lane speed support, for faster data retrieval. Intel Z270 also supports integrated graphics, so you'll enjoy the very latest in graphics performance.

Ready for 7th Generation and 6th Generation Intel LGA1151 Core i7/Core i5/Core i3/Pentium/Celeron processors

The ASUS Prime Z270-A motherboard supports 7th Generation and 6th Generation Intel Core™ i7/Core i5/Core i3/Pentium®/Celeron® processors in the LGA1151 package. Integrated graphics, memory and PCI Express controllers support onboard graphics output with dedicated chipsets, two-channel (4-DIMM) DDR4 memory and 16 PCI Express 3.0/2.0 lanes for great performance.