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  • MX65031 PRIME Z270-A w/ DDR4 2133, 7.1 Audio, Dual M.2, GB LAN, SLI / 3-Way CrossfireX
  • MX65031 PRIME Z270-A w/ DDR4 2133, 7.1 Audio, Dual M.2, GB LAN, SLI / 3-Way CrossfireX
  • MX65031 PRIME Z270-A w/ DDR4 2133, 7.1 Audio, Dual M.2, GB LAN, SLI / 3-Way CrossfireX
  • MX65031 PRIME Z270-A w/ DDR4 2133, 7.1 Audio, Dual M.2, GB LAN, SLI / 3-Way CrossfireX

PRIME Z270-A w/ DDR4 2133, 7.1 Audio, Dual M.2, GB LAN, SLI / 3-Way CrossfireX

Product Info

It Is Time For Prime!


Ready for 7th generation Intel® Core™ processors, this ASUS Prime Z270-A delivers maximum performance with customizable style. 5-Way Optimization provides intelligent auto-tuning and dynamic fan calibration, AURA Sync RGB lighting and 3D printing mounts customize your build, while Dual M.2 and USB 3.1 Type-A & C ports deliver maximum transfer speeds.

Prime Time

ASUS Prime is the next evolution of the ASUS motherboard, born of a pedigree that stretches way 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.

  • 5-Way Optimization with Auto-Tuning and FanXpert 4 automatically tailors overclocking profiles to your unique build for maximum OC performance and dynamic system cooling
  • Maximize your connectivity and speed with integrated Dual M.2, Intel® Optane™ Memory compatibility, USB 3.1 Type A / Type C connections, and Intel® Thunderbolt 3 support
  • Dual Patent-pending SafeSlots featuring an injection molding process that integrates metal framing for a stronger, firmly anchored PCIe slot built for heavyweight GPUs
  • AURA Sync RGB Lighting features a nearly endless spectrum of colors with the ability to synchronize effects across an ever-expanding ecosystem of AURA Sync enabled products
  • On-board 3D Printing Mounts for creating unique designs on your customized build


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!

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

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

Advantages of Pro Clock:

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

DDR4 Overclocking Strength in Numbers

Third-generation ASUS T-Topology allows memory frequencies that are higher than ever; up to 3,866MHz 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

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!

Intel Optane Memory Ready: Connect with Unparalleled Speeds

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!

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

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

    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 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.
Note: Synchronization between ASUS motherboard, graphics card and peripherals is enabled and controlled by ASUS Aura-ready motherboards.

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 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

  • Power Pre-regulator:
    Reduces power-input noise to ensure consistent performance
  • 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 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 clarify and fidelity

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.

SafeSlot: 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 their unique Design Thinking approach. Their exhaustive testing exceeds industry standards, supported by high-quality components for exceptional real-world protection.

ASUS 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

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.

Make It Your Own

3D Printing Friendly
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.

  • 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 temperature low for improved performance and longevity
    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 some style to your build
  • Cable Combos:
    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
  • Print:
    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

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!

The Power of Intel®

Intel® Z270 chipset
The Intel® Z270 is a single-chipset design that supports 7th Gen and 6th Gen 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 32Gbps 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 Gen and 6th Gen Intel LGA1151 Processors
featureThe ROG Strix Z270A Gaming motherboard supports 7th Gen and 6th Gen Intel Core™ i7, i5, 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.

I/O Panel


System Requirements

This Motherboard matches the following hardware:

  • Intel® 7th & 6th Gen Socket 1151 Processors
  • DDR4 RAM Kits
  • Windows® 10, 8.x* or 7*
    • NOTE: *Windows® 8.1 64-bit and Windows® 7 32 / 64-bit are only supported when using 6th Generation Intel® Processors.


CPU Support 7th and 6th Gen Intel® Processors (Socket 1151)
Supports 14nm CPUs
Supports Intel® Turbo Boost Technology 2.0 if on the CPU
Chipset Intel® Z270
Memory 4x DDR4-2133 DIMM Slots, 64GB Maximum (4x 16GB)

Supports OC speeds with compatible high speed DDR4 RAM up to 3,866MHz

Integrated Graphics
(w/ compatible CPUs)
1x DisplayPort 1.2 port: up to 4,096 x 2,304 @ 24Hz & 3,840 x 2,304 @ 60Hz
Supports DP 1.2 monitor daisy chaining up to 3 displays

1x HDMI 1.4b port: up to 4,096 x 2,160 @ 24Hz & 2,560 x 1,600 @ 60Hz

1x DVI-D port: up to 1,920 x 1,200 @ 60Hz

w/ Intel® InTru™ 3D, Quick Sync Video, Clear Video HD Technology, Insider™

Supports up to 3 Displays Simultaneously

Maximum shared memory of 1,024MB

Expansion Slots 2x PCI Express 3.0/2.0 x16 slots (single at x16 or dual at x8/x8 mode)

1x PCI Express 3.0/2.0 x16 slot (max. at x4 mode, compatible with PCIe x1, x2 and x4 devices)

4x PCI Express 3.0/2.0 x1 slots
Multi-GPU Support Supports NVIDIA® 2-Way/Quad-GPU SLI™ Technology (with 2 PCIex16 graphics card)

Supports AMD® 3-Way/Quad-GPU CrossFireX™ Technology

Storage Intel® Z270 Chipset:

Supports RAID 0, 1, 5, 10 and Intel Rapid Storage Technology 15 support

6x SATA 6Gb/s ports

1x M.2 Socket 3 with M Key, type 2242/2260/2280/22110 storage devices support (both SATA & PCIE mode)**
1x M.2 Socket 3 with M Key, type 2242/2260/2280 storage devices support (PCIE mode only)***

Ready for Intel® Optane Memory****

Supports Intel® Smart Response Technology*****
* Supports PCIE RAID configurations via onboard M.2 storages.
** The M.2_1 socket shares SATA_1 port when use M.2 SATA mode device. Adjust BIOS settings to use a SATA device.
*** The M.2_2 socket shares SATA_56 ports when use M.2 PCIE mode device in X4 mode. Adjust BIOS settings to use M.2 PCIE devices in X4 mode.
**** Intel® Optane Technology only supported when using 7th Generation Intel® Processors. Before using Intel® Optane memory modules, ensure that you have updated your motherboard drivers and BIOS to the latest version from ASUS support website.
***** These functions will work depending on the CPU installed.
LAN 1x Intel® I219-V Gigabit LAN Port
w/ Dual interconnect between the integrated Media Access Controller (MAC) and physical layer (PHY)
w/ ROG GameFirst and Anti-surge LANGuard technologies
Audio ROG SupremeFX S1220A 7.1 High Def Audio Codec:
Supports up to 32-Bit/192kHz playback:
Due to limitations in HDA bandwidth, 32-Bit/192kHz is not supported for 8-Channel audio
Supports DTS® Headphone:X & DTS® Connect
Impedance sense for front and rear headphone outputs
High quality 120dB SNR stereo playback
Recording: 110dB SNR
SupremeFX Shielding Technology
Dual Headphone Amplifiers
Front Panel Jack-retasking
Optical S/PDIF out port at back panel
USB Intel® Z270 Chipset:
6x USB 3.0 ports (4 ports at back panel, 2 ports at mid-board)
6x USB 2.0 ports (2 ports at back panel, 4 ports at mid-board)

ASMedia® USB 3.1 Controller:
1x USB 3.1 Type A port
1x USB 3.1 Type C port
All USB 3.1 ports support 3A power output

Back Panel I/O Ports 1 x DisplayPort
1 x HDMI port
1 x DVI-D
1 x Optical S/PDIF out
1 x Intel LAN (RJ45) port
1 x USB 3.1/3.0/2.0 ports (teal blue, Type A)
1 x USB 3.1/3.0/2.0 ports (Type C)
4 x USB 3.0/2.0 ports (blue)
8-channel Audio I/O ports
Internal I/O Connectors 1 x USB 3.0/2.0 connectors support additional 2 USB ports (19-pin)
3 x USB 2.0/1/1 connectors support additional 6 USB ports
1 x M.2 Socket 3 (for M Key, type 2242/2260/2280 devices, PCIE mode)
1 x M.2 Socket 3 (for M Key, type 2242/2260/2280/22110 devices, PCIE & SATA mode)
6 x SATA 6.0Gb/s connectors (gray)
1 x CPU Fan header (4-pin) for both 3-pin(DC mode) and 4-pin(PWM mode) CPU coolers control with auto detection support
1 x CPU OPT Fan header (4-pin)
1 x AIO Pump header (4-pin)
1 x High AMP Fan header (4-pin)
2 x Chassis Fan connectors (4-pin) for both 3-pin(DC mode) and 4-pin(PWM mode) coolers control with auto detection support
1 x Aura RGB header
2 x 3D Mount screw ports
1 x Front panel audio connector (AAFP)
1 x Thunderbolt header (5-pin) for ASUS ThunderboltEX series support
1 x TPM connector
1 x COM connector
1 x 24-pin EATX Power connector
1 x 8-pin EATX 12V Power connector
1 x System Panel(Q-Connector)
1 x MemOK! button
1 x Power-on button
1 x CPU OV jumper
1 x Clear CMOS header
1 x EZ XMP switch
1 x 5-pin EXT_FAN(Extension Fan) connector
Special Features Superb Performance
OC Design: ASUS PRO Clock Technology
- Full BCLK range for extreme overclocking performance
5-Way Optimization
- Whole system optimization with a single click! Perfectly consolidates better CPU performance, power saving, digital power control, system cooling and app usages.
DIGI+ Power Control
-CPU Power: Digital 8-phase power design
-iGPU Power: Digital 2-phase power design
- Auto Tuning, GPU Boost
Fan Xpert 4 featuring Fan Auto Tuning function and multiple thermistors selection for optimized system cooling control
Turbo App featuring system performance tuning, network priority, and audio scene configuration for selected applications.
CrashFree BIOS 3
EZ Flash 3
EZ Tuning Wizard
GPU Post
Secure Erase
Special Memory O.C. Design
- Superb memory O.C. capability under full load by minimizing the coupling noise and signal reflection effect

32Gb/s M.2 onboard - PCIe 3.0 x4
Intel® Thunderbolt 3 Support
- Blistering-fast 40Gb/s data transfers upgrades with ThunderboltEX 3 Card

EZ Management
File Transfer
- Cloud GO!
- File Transfer
PC Cleaner
- Fast and easy way to get rid of unnecessary junk files

- Bright up your Build
3D Printing Support
- Make it your own. The new era of PC customization
Turbo LAN
- Fast and smooth online gaming with lower pings and less lags Turbo APP
- Tailored app performance, network priority and audio configuration for your needs

CPU Installation Tool
- Three-step simplicity and safety
- ASUS Q-Shield
- ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED)
- ASUS Q-Slot
- ASUS Q-Connector

Special Features:
ASUS SafeSlot - Protect your graphics card Investment
ASUS 5X Protection III
- ASUS SafeSlot Core - Fortified PCIe with solid soldering
- ASUS LANGuard - Protects against LAN surges, lightning strikes and static-electricity discharges!
- ASUS Overvoltage Protection - World-class circuit-protecting power design
- ASUS DIGI+ VRM - 8+2 Phase digital power design
- ASUS DRAM Overcurrent Protection: Enhanced DRAM overcurrent protection
- ASUS Stainless-Steel Back I/O: 3X corrosion-resistance for greater durability!
- ASUS ESD Guards - Enhanced ESD protection
- AI Suite 3
- Ai Charger
- MemOK!

Quiet Thermal Design:
- ASUS Fan Xpert 4
- ASUS Fanless Design: Heat-sink solution

ASUS Exclusive Overclocking Features:
Precision Tweaker 2:
- CPU Core/Cache Voltage: Adjustable CPU Core/Cache Voltage at 0.005V increment
- CPU Graphics Voltage: Adjustable CPU Graphics voltage at 0.005V increment
- CPU VCCIO Voltage: Adjustable CPU VCCIO Voltage at 0.0125V increment
- CPU System Agent Voltage: Adjustable CPU System Agent Voltage at 0.0125V increment
- DRAM Voltage: 152-step Memory voltage control
- PCH Core Voltage: 110-step Chipset voltage control
SFS (Stepless Frequency Selection)
- BCLK/PCIE frequency tuning from 40MHz up to 500MHz at 0.01MHz increment
Overclocking Protection:
- ASUS C.P.R.(CPU Parameter Recall)

BIOS 128 Mb Flash ROM, UEFI AMI BIOS, PnP, WfM2.0, SM BIOS 3.0, ACPI 6.0, Multi-language BIOS, ASUS EZ Flash 3, CrashFree BIOS 3, F11 EZ Tuning Wizard, F6 Qfan Control, F3 My Favorites, Last Modified log, F12 PrintScreen, and ASUS DRAM SPD (Serial Presence Detect) memory information
Manageability WfM2.0, DMI3.0, WOL by PME, PXE
Form Factor ATX Form Factor
Dimensions (LxW) 305 x 244mm
Weight N/A