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    PRIME Z370-A II

    PRIME Z370-A II

    Intel LGA 1151 ATX motherboard with M.2 Heatsink, DDR4 4000MHz, Dual M.2, Intel Optane memory ready, SATA 6Gb/s, USB 3.1 Gen 2 Type-C

    • Ready for Socket 1151 for 9th / 8th Gen Intel® Core™, Pentium® Gold and Celeron® processors
    • Enhanced power solution: Premium components provide better power efficiency
    • 5-Way Optimization: One-click, system-wide tuning delivers optimized overclocks and intelligent cooling for CPU or GPU-intensive tasks
    • ASUS OptiMem: Careful routing of traces and vias to preserve signal integrity for improved memory overclocking
    • Industry-leading cooling options: Comprehensive controls for fans and water pumps, via Fan Xpert 4 software or the acclaimed ASUS UEFI
    • Next-gen connectivity: Supreme flexibility with Intel Optane memory ready, Thunderbolt 3 and dual M.2 support
    • M.2 heatsink: Ultra-efficient heatsink reduces M.2 SSD temperatures by up to 20°C for unthrottled transfer speeds and enhanced reliability
    • ASUS Aura Sync: Controllable onboard RGB lighting that can be easily synced with an ever-growing portfolio of Aura-capable hardware
    Product Image

    1 2 x USB 3.1 Gen 2
    (1A1C)

    2 DisplayPort

    3 DVI-D

    4 HDMI

    5 2 x USB 2.0

    6 2 x USB 3.1 Gen 1

    7 Intel® LAN

    8 8-ch Audio

    9 PCI Express 3.0
    2-way SLI™ & 3-way
    CrossFireX™

    10
    Crystal Sound 3
    • Realtek® S1220A Codec
    • Premium Japanese Audio Capacitors
    • DTS® Headphone:X™

    11 Dr. MOS

    12 DDR4 4000(O.C.)/
    2666/2400/2133 Support

    13 Intel® LGA 1151 Socket

    14 2 x M.2 PCIE x4 mode support (2280 & 22110)
    Intel® Optane™ Memory Ready

    15 Intel® Z370 Chipset

    16 2 x front USB 3.1 Gen1

    17 6 x SATA 3.0 Ports

    18 2 x front USB 3.1 Gen1
    4 x front USB 2.0

    Prime

    ASUS Prime Z370 Series motherboards provide the solid foundation needed for your first build, plus loads of scope to grow with your ambitions. We've melded all the good stuff that's packed into the latest Intel processors with essential ASUS design and engineering, so you benefit from industry-leading technologies — including automated system tuning, comprehensive cooling controls, immersive onboard audio, and support for the ASUS Fan Extension Card. Build smart and easy with ASUS Prime Z370.

    Power delivery enhancements

    DR. MOS

    The Prime Z370-A II's CPU VRM utilizes Dr. MOS power stages that combine high-side and low-side MOSFETs and drivers into a single package, delivering the power and efficiency that Intel's latest processors demand.

    ProCool power connector

    Compared with traditional power inputs, ProCool sockets are built to tight specifications to ensure flush contact with the PSU power lines. This lowers impedance, which helps to prevent hotspots and connector failure.

    Tune it your way

    5-Way Optimization

    One-click overclock and cooling, done!

    ASUS 5-Way Optimization makes your PC smart. One click takes care of complex tuning, dynamically optimizing essential aspects of the system to provide overclocking and cooling profiles that are tailored for your rig.

    An automated tuning utility that optimizes overclocking and cooling profiles for your unique system configuration.

    Fans stay whisper-quiet with everyday computing, and deliver optimal airflow when the system is crunching through CPU or GPU-intensive tasks.

    Stress test function helps optimize and overclock for CPU- or memory-centric workloads.

    Overclock CPU
    O.C.
    5.0G
    Default
    3.7G
    CPU : Intel LGA 1151 i7-8700K | Motherboard : PRIME Z370-A II | DRAM : G.Skill 3333 8G*2 | Power : Corsair AX1500i | Water-cooling : Corsair H115i | OS: Windows 10
    TPU
    EPU
    Fan Xpert 4
    Digi+ Power
    Control
    Turbo App
    CPU performance boost

    Unleash your PC's full performance with the ASUS AI Suite 3 utility. The TurboV Processing Unit (TPU) is the intelligence behind our automated system-tuning utility, offering the ability to fine-tune voltages, monitor system stats, and adjust overclock parameters for optimal performance.

    All-round energy efficiency

    With the Energy Processing Unit (EPU) you'll enjoy system-wide power savings. The EPU automatically optimizes power consumption and maximizes savings with Away mode — a smart setting that creates an extreme energy-saving scenario by shutting down unused I/O controllers.

    Flexible cooling controls for air or liquid

    With PRIME Z370-A II you have comprehensive control over fans, water pumps, and even all-in-one (AIO) coolers ― all via Fan Xpert 4 or our media-acclaimed UEFI. Whether you're cooling with air or water, Auto-Tuning mode intelligently configures all parameters with a single click. There's also Extreme Quiet mode, which reduces all fan speeds to below the default minimum — keeping your system whisper-quiet when performing light tasks.

    Precise digital power control

    Digi+ delivers real-time control over voltage droop, switching frequency and power-efficiency settings, allowing you to fine-tune CPU voltage regulation for ultimate stability and performance.

    App specific optimization for professionals and gamers

    Whether you're a professional designer or hardcore gamer, you'll feel the benefit of the ASUS-exclusive Turbo App. This intuitive tool allows you to define CPU overclocking, apply fan profiles, prioritize network data and optimize audio settings at app level ― so your PRIME Z370-A II system is perfectly optimized for whatever you're doing.

    Make your memory go faster

    ASUS OptiMem preserves memory signal integrity by routing memory traces and vias to the optimal PCB layer, and our T-Topology layout ensures time-aligned signaling by balancing trace lengths between memory slots. These enhancements lead to more headroom for overclocking and improved stability, allowing memory speeds of DDR4-4000 and beyond with all slots populated.

    Improved stability and overclocking
    with all slots populated
    DDR4 – 4000MHz
    CPU : Intel LGA 1151 i7-8700K | Motherboard : PRIME Z370-A II | DRAM : G.Skill F4-4000C18Q-32GTZ*4 | Power : Corsair AX1500i | Water-cooling : Corsair H115i | OS: Windows 10

    OC Design – ASUS Pro Clock Technology

    PRIME Z370-A II includes a dedicated base-clock (BCLK) generator that extends CPU and memory overclocking margins. This custom solution works in tandem with the TPU to enhance voltage and BCLK overclocking control, providing the flexibility to extract every ounce of performance from the Intel Core 8th Generation processors.

    BCLK Range
    OC
    432MHz
    Default
    100MHz
    CPU Frequency
    OC
    5.5G
    Default
    3.7G
    *BCLK overclocking range will vary according to CPU capabilities, cooling, motherboard support and tuning options.
    CPU : Intel LGA 1151 i7-8700K | Motherboard : PRIME Z370-A II | DRAM : G.Skill 4000-8G*2 | Power : Corsair AX1500i | Water-cooling : Corsair H115i GTX | OS: Windows 10
    Learn more

    Cooler by design

    PRIME Z370-A II features the most comprehensive cooling controls ever, configurable via Fan Xpert 4 or the UEFI BIOS.

    Multiple temperature sources
    AIO pump
    4-pin PWM/DC fan
    ASUS Fan Extension Card support
    Smart protection

    Each header can be set to monitor and react to three thermal sensors, and via Fan Xpert 4 you can even assign a sensor to monitor the temperature of supported ASUS graphics cards — for optimal cooling during GPU- or CPU-intensive workloads.

    A dedicated PWM/DC header for self-contained water-cooling setups.

    Each onboard header supports auto-detection of PWM or DC fans.

    Includes three additional DC or PWM fan headers, plus three thermal-probe headers.

    A dedicated integrated circuit protects each fan header from over-temperature and over-current.

    ASUS Fan Holder

    With the all-new ASUS Fan Holder increasing airflow your Prime Z370 Series motherboard's VRM area is simple. Just screw on a 40/50mm fan, mount the bracket on the heatsink, and hook the fan up to a header for a targeted cooling boost. With the Fan Holder and fan in place, VRM temperatures are reduced by up to 25oC — perfect for your overclocking adventures.

    Media-acclaimed UEFI BIOS

    The smoothest, slickest mouse-controllable 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 will help you quickly find your way, quickly and easily.

    EZ Tuning Wizard Quickly apply a CPU overclock to improve system performance, or configure a RAID array for faster data retrieval and backups

    My Favorites Quickly discover tuning options and add preferred tools to the list.

    Learn more
    EZ mode

    Intuitive graphical fan control: Fine-tune individual fans simply by dragging a curve with the mouse.

    EZ XMP: Improve your DRAM performance with a click.

    SATA Information: Display SATA port details that help you easily recognize drives.

    Fast Clock Adjustment: Use mouse controls to change the time and date.

    Advanced mode

    GPU POST: View recommendations for multi-VGA configurations and detailed information for select ASUS graphics cards.

    Secure Erase: Restore your 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.

    Ultrafast connectivity

    M.2

    Speed up with onboard M.2 up to 32Gbps

    With x4 PCI Express 3.0/2.0 bandwidth, M.2 supports up to 32Gbps data-transfer speeds. It's the perfect choice for an operating system or application drive, providing fast access to data.

    M.2 heatsink

    Keep your SSD cooler

    PRIME Z370-A II has an ultra-efficient heatsink to reduce M.2 SSD temperatures by up to 20°C — and that means optimal storage performance and improved SSD longevity.

    Intel Optane memory

    Intel Optane memory ready

    Intel Optane™ is a revolutionary non-volatile memory technology supported by PRIME Z370-A II. Intel Optane memory modules accelerate attached storage to reduce boot and load times, so everything feels faster and more responsive.

    Learn more >

    USB 3.1 Gen 2 Type-A & Type-C

    Ultimate-speed 10Gbps with USB 3.1 Gen 2 onboard

    With backward-compatible USB 3.1 Gen 2 Type-A™ and reversible USB 3.1 Gen 2 Type-C™ ports, you'll experience ultimate connection flexibility and blazing data-transfer speeds of up to 10Gbps.

    ThunderboltEX 3 Card

    Experience blistering ThunderboltTM 3 speeds and any-way-up connectivity

    PRIME Z370-A II provides full support for a ThunderboltEX 3* card. An Intel-certified Thunderbolt™ 3 add-on card enables breathtaking bi-directional speeds of up to 40Gbps through a single cable — up to 4X faster than other PC data-transfer protocols. Beyond sheer bandwidth, Thunderbolt 3 supports daisy-chaining up to six devices, utilizes a Type-C reversible connector for compatibility with the latest USB 3.1 Gen 2 Type-C devices, and meets USB Power Delivery specifications for fast, high-power charging of up to 36W.

    *ThunderboltEX 3 card available separately for purchase.

    Learn more >

    Intel Ethernet

    More throughput, less CPU usage

    PRIME Z370-A II features the very latest Intel Ethernet. Intel's LAN has the advantage of reducing CPU overhead and offering exceptionally high TCP and UDP throughput for faster, smoother data transfer.

    Lower CPU workload
    High TCP & UDP throughput
    Learn more

    Turbo LAN

    Network-optimization software for customizable packet prioritization

    Turbo LAN with cFosSpeed traffic-shaping technology allows you to configure application priority via an intuitive interface, and reduces network lag.

    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, SafeSlot integrates the slot with fortifying metal for an inherently stronger slot, which 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.

    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.

    Learn more

    Prime 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.

    Our Prime Z370 motherboards also 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.

    Overvoltage Protection

    World-class circuit-protecting power design

    An exclusive circuit design with built-in voltage regulators protects 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 assure a lifespan that's 3X longer than ordinary panels.

    ESD Guards

    Electrostatic discharge protection

    ASUS ESD Guards prolong the life of components while preventing damage from electrostatic discharge, providing protection for up to +/- 10kV of air discharge and +/- 6kV of contact discharge.

    1000+

    Compatible devices and components

    The superior compatibility of PRIME Z370-A II is evidenced by our extensive list of supported devices — which includes thousands of compatible components — and our Qualified Vendor List (QVL) that identifies memory compatibility. It all adds up to more choices for worry-free PC-building experiences.

    8000+

    VALIDATION HOURS

    Temperature and humidity tests
    Ensures components withstand extreme conditions.
    Thermal measurement tests
    Ensures that the system remains cool and stable under the heaviest loads.
    Insertion tests
    Every port and connector is put through repeated installation cycles.
    Aging tests
    Up to 48-hour aging test ensures reliability.
    Power-consumption tests
    Checked for world-class energy efficiency.
    Temperature and DC margin tests
    Ensures that the motherboard is capable of coping with voltages fluctuations caused by varying temperatures.
    Thermal-shock tests
    Ensures ability to survive temperature changes during transportation.
    Non-operation shock tests
    Built to withstand jolts that may occur during shipping.
    Burn-in tests
    Every component is checked to ensure flawless operation.
    Installation tests
    Connector placement is double-checked to ensure hassle-free installation.
    Drop tests
    Drop tests from various heights ensure durability.
    Salt and spray tests
    Tested for I/O reliability, prolonged lifespan and rust-resistance.
    Upgrade to unrivalled audio

    Outstanding audio

    Realtek codec and unique design features for pristine, powerful audio

    PRIME Z370-A II 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.

    DTS Headphone:XTM Surround sound

    Immersive 3D surround-sound technology provides incredible audio experiences.

    Crystal Sound 3

    Flawless audio that immerses you in the game

    Power pre-regulator

    Reduces power-input noise to ensure consistent performance.

    Audio shielding

    Separates analog/digital signal domains, significantly reducing multi-lateral interference.

    Separate layer for left and right tracks

    Ensures minimal crosstalk between audio paths.

    Integrated amplifier

    Capable of driving high-impedance headphones, without rolling-off high or low frequencies.

    De-pop circuit

    Reduces start-up popping noise to all audio outputs.

    Premium Japanese-made audio capacitors

    Premium parts provide an immersive sound signature, with exceptional fidelity.

    Visual beauty, virtual worlds

    Aura Sync

    Outshine the competition

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

    Learn more >
    Static
    Breathing
    Strobing
    Rainbow
    Color cycle
    Comet
    Flash &
    dash
    Wave
    Glowing
    Yo Yo
    Starry
    night
    Music
    effect
    CPU
    temperature

    * 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-compatible devices are sold separately. 

    Beyond VR ready

    Complete your immersion

    PRIME Z370-A II isn't just VR ready — it goes way beyond. The ASUS Beyond VR Ready marque means that PRIME Z370-A II has been tested with loads of class-leading components to ensure that your productivity, gaming and entertainment needs are tuned for maximum performance. ASUS Beyond VR Ready opens up a new way to configure and build your dream system with total confidence.

    VR

    Intel Z370 chipset The Intel® Z370 is a single-chipset design that supports 8th Generation Intel® Core™ LGA1151 processors. It provides improved performance by utilizing serial point-to-point links, allowing increased bandwidth and stability. Additionally, the Z370 provides a maximum of 10 USB 3.1 Gen 1 ports, six SATA 6Gbps ports, and 32Gbps M.2 and PCIe 3.0 lane speed support, for faster data retrieval. Intel Z370 also supports integrated-graphics, so you'll enjoy the very latest in graphics performance.

    Ready for Socket 1151 for 9th / 8th Gen Intel® Core™, Pentium® Gold and Celeron® processors This motherboard supports Socket 1151 for 9th Gen and 8th Gen Intel® Core™, Pentium® Gold and Celeron® processors, with integrated graphics, memory and PCI Express controllers to support onboard graphics output with dedicated chipsets, dual-channel (4-DIMM) DDR4 memory and 16 PCI Express 3.0/2.0 lanes for great performance.