PRIME Z270-AR

    Intel LGA-1151 ATX motherboard with Aura Sync, DDR4 3866MHz, dual M.2, Intel Optane memory ready, HDMI, SATA 6Gb/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 audioquality
    • 5X Protection III: Multiple hardware safeguards to protect components from damage by power or electrical surges
      Product Image
      1 2 x USB 3.1
      (1 x Type-A and 1 x Type-C)
      2 HDMI
      3 4 x USB 3.0
      4 Intel® LAN
      5 8CH Audio with DTS Support

      3 x PCIe 3.0 (GEN3)

      SLI & 3-Way
      CFX Support

      Crystal Sound 3

      • Realtek® S1220A
      • Impedance sense for headphone outputs
      • 120dB SNR stereo playback output & 110dB SNR input(Line-in) support
      • Power pre-regulator
      • EMI protection cover
      • Audio shielding
      • De-pop circuit
      • Different layer for left/right track
      • Japan-made audio capacitors
      8 DIGI+ VRM
      9 EPU
      10 Intel® LGA 1151 Socket
      11 DDR4 3866(O.C) support
      12 6 x SATA 6Gb/s
      13 2 x 32Gb/s M.2 x4 support
      14 TPU
      15 2 x Front USB 3.0

      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


      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


      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-AR 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.
      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!



      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-AR 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.
      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-AR 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-AR 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
      Clean Power
      Power pre-regulator

      Reduces power-input noise to ensure consistent performance.

      Noise isolation
      Audio shielding

      Ensures precision analog/digital separation and greatly reduced multi-lateral interference.

      Separate layer for left and right tracks

      Ensures both channels deliver consistent, equal quality.

      Audio Enjoyment
      Audio amplifier

      Internal audio amplifier produces robust, high-quality sound for headphones and speakers.

      De-pop circuit

      Reduces start-up popping noise to all audio outputs.

      Audio capacitors made in Japan

      Premium parts provide warm and immersive sound with exceptional clarity and fidelity.

      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-AR 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.
      1Real-time speed monitor
      2Grouping your own favorite list
      3Set priority to speed up for your application
      Reliable Stability and Compatibility
      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.


      DDR4 Compatibility

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


      Compatible Devices

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


      Validation Hours

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

      Learn More

      Prime 200 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.

      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


      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-AR 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-AR 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.
      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
      Cable cover

      Cover your cables for a tidier PC.

      Custom nameplate

      Personalize your build with a custom logo making it unique to you.

      M.2 fan holder

      The ASUS 3D-printed M.2 fan holder keeps temperatures low for improved performance and longevity.

      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!


      Select the 3D source files you want to download.


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


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


      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!
      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!
      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!
      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.
      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-AR 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.

      Overview Content

      • Power At Your Fingertips
      • Synced Aura and Refined Audio
      • Reliable Stability and Compatibility
      • Make It Your Own