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ROG CROSSHAIR VIII
DARK HERO

Upgraded power delivery, passive chipset cooling, and stealthy aesthetics allow the Crosshair VIII Dark Hero to strike from the shadows and form a menacing duo with AMD Zen 3.

SPEC OVERVIEW

  • Performance
  • Cooling
  • Gaming Immersion
  • Connectivity
  • DIY friendly

Extreme Power & Performance

ROG Crosshair VIII Dark Hero ROG Crosshair VIII Dark Hero
  1. PROCOOL II POWER CONNECTOR
  2. 14+2 POWER STAGE​
  3. MULTI-GPU SLI®/ CFX SUPPORT​*

    ‧ 2 x PCIe 4.0 x16 Safeslots (x16, x8/x8) [CPU]
    ‧ 1 x PCIe 4.0 x16 slot (x4)
    ‧ 1 x PCIe 4.0 x1 slot

  4. AMD AM4 Socket

    for AMD Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series/ 3000 G-Series/ 2000 Series/ 2000 G-Series desktop processors

  5. DDR4, 4 X DIMM

    ・ OptiMem III
    ・ Dual channel

  6. 2 x M.2 Socket 3 Type M*

    ・ 2242~2280 (PCIe 4.0 x 4 + SATA)
    ・ 2242~22110 (PCIe 4.0 x 4 + SATA)

* The specifications depend on different CPU types. The listed specifications are based on AMD Ryzen™ 5000 Series and 3000 Series Desktop Processors.

Comprehensive Cooling

ROG Crosshair VIII Dark Hero ROG Crosshair VIII Dark Hero
  1. VRM HEATSINK DESIGN
  2. DUAL M.2 HEATSINKS
  3. MULTIPLE 4-PIN PWM FAN HEADERS
  4. PASSIVE CHIPSET HEATSINK DESIGN
  5. ROG WATER-COOLING ZONE

    ・ W_FLOW tachometer
    ・ W_IN/OUT T-sensor

Total Gaming Immersion

ROG Crosshair VIII Dark Hero ROG Crosshair VIII Dark Hero
  1. I/O & ARMOR ZONE AURA LIGHTING
  2. SupremeFX S1220 CODEC​

    ESS® ES9023P High Definition DAC​
    120dB SNR stereo playback output​
    113dB SNR recording input​
    Gold-plated Audio Jacks

    Sonic Studio III

    Sonic Studio Virtual Mixer​

    Sonic Radar III​
    DTS® Sound Unbound​
  3. 2 x 4-pin AURA RGB headers​
  4. 2 x 3-pin Addressable Gen 2 RGB headers​
  5. PCH ZONE AURA LIGHTING

Full Connectivity

ROG Crosshair VIII Dark Hero ROG Crosshair VIII Dark Hero
  1. BIOS FlashBackTM button
  2. CLEAR CMOS butoon
  3. Intel® Wi-Fi 6 AX200
  4. 8 x USB 3.2 Gen 2*

    ‧ 7 x Type-A
    ‧ 1 x USB Type-C®

    4 x USB 3.2 Gen 1

    ‧ 4 x Type-A

  5. 2.5G Ethernet
    Intel® I211-AT Gb LAN

    ROG GameFirst VI
    ASUS LANGuard

  6. OPTICAL S/PDIF OUT
  7. 1 x USB 3.2 Gen 2

    Front Panel Connector

  8. 8 x SATA 6Gb/s
  9. ASUS NODE Connector​
* The specifications depend on different CPU types. The listed specifications are based on AMD Ryzen™ 5000 Series and 3000 Series Desktop Processors.

DIY Friendly

ROG Crosshair VIII Dark Hero ROG Crosshair VIII Dark Hero
  1. ROG PATENTED PRE-MOUNTED I/O SHIELD
  2. ESD GUARDS

    Provides greater electrostatic protection than the industry standard. ESD Guards cover the USB, audio and LAN ports.

  3. TRUEVOLT USB

    Supplies stable 5-volt power delivery to all USB ports, with minimal power fluctuations to minimize data loss.

  4. 2 x SAFESLOT

    Provides stronger PCIe device retention and greater shearing resistance.

  5. Q-Code

    LED panel shows a 2-digit code to reflect system status.

  6. 4 x Q-DIMM

    One sided clips for super-simple, super-secure handling of memory modules.

  7. FlexKey

    At its default, the FlexKey functions as a system reset button, but it can also be easily set to quickly turn Aura lighting on or off, activate Safe Boot or enter the BIOS.

  8. Q-CONNECTOR

    Simple adapter that helps arrange front-panel cables in an orderly manner.

    Q-CONNECTOR

PERFORMANCE

ROG Crosshair VIII Dark Hero boasts an optimized power design layout and all the cooling headers you need to handle the prodigious power of the latest AMD Ryzen processors.

  • Power solution
  • Memory

Teamed Power Architecture

Modern CPU architectures up the ante for motherboard power design by transitioning from deep power-saving modes to full load almost instantaneously. Our latest VRM architecture rises to the challenge by utilizing teamed power stages to rapidly swing current, while maintaining exemplary thermal performance.

  • A brief history
  • A shift in CPU demands
  • Bucking the trend
  • Thermal performance
  • High Quality Components

Teamed
Power Stage Design

12V EPS IN

12V EPS IN

While doublers help extend the number of effective phases, they do so at the cost of a processing delay. The teamed architecture allows two power stages to work in tandem to provide more power to the CPU. The MOSFETs within the power stages generate the most heat as they are responsible for voltage conversion and delivery to the CPU from the 12V EPS connector.

Conventional
Phase-doubled Design

12V EPS IN

12V EPS IN

  • We became the first manufacturer to implement phase-doublers when we shipped our A8N32-SLI Deluxe motherboard, back in 2005. The board's VRM was lauded for elegantly overcoming the power handling capabilities of components that were available at the time and also reducing voltage ripple. Those benefits led to phase-doublers becoming universally accepted in the industry, and they are still used for similar purposes today.

  • However, today's CPUs now pack more cores than their predecessors, and the latest instruction sets allow them to crunch computationally dense workloads at an incredible pace. In addition, they consume less power at idle and can transition between load states much more quickly. These improvements necessitate a re-evaluation of power-design priorities because phase-doublers add a propagation delay that hampers transient response.

  • Fortunately, the latest integrated power components can handle higher currents than the devices of yesteryear, making it possible to implement a simple circuit topology that isn't hamstrung by the processing lag of phase-doublers. That's why ROG Crosshair VIII Dark Hero utilizes teamed power stages to deliver higher burst current per phase, while maintaining the thermal performance of phase-doubled designs.

  • Each VRM component serves a specific purpose. PWM controllers and phase-doublers control the circuit, and the power stages do the heavy lifting from an electrical and thermal standpoint. That's why ROG Crosshair VIII Dark Hero utilizes 16 power stages. The power stage sits at the top of Infineon's lineup and features a low RDSON to reduce switching and conduction losses, helping to improve overall thermal headroom.

ASUS Optimem III

Infused with proprietary memory trace layout tweaks that improve signal integrity and mitigate noise, Optimem III allows memory kits to run at lower latencies, reduced voltages, and operate at higher frequencies. Stack the Dark Hero with your favorite modules and maximize Zen 3 processors throughput for applications that demand massive bandwidth, or balance infinity fabric and memory performance for a diverse range of workloads.

  • G.Skill Memory 4 x 32GB CL18 @3600MHz
  • OptiMem III
    CL 16
  • No OptiMem III
    CL 18
  • Lower the data is better
Test Configuration: AMD Ryzen™ 9 5950X | ROG Crosshair VIII Dark Hero
  • High Frequency
  • Max Capacity without Compromise
  • ROG Crosshair VIII Dark Hero
  • ROG Crosshair VIII Dark Hero

COOLING

Maintaining system stability is paramount under high load, so Crosshair VIII Dark Hero employs passive chipset cooling with large VRM and chipset heatsinks that strike the right balance between surface area and mass. Featuring premium components and multiple fan headers, Crosshair VIII Dark Hero is fully armed to provide the best foundation for gaming systems.

  • Heatsinks
  • Headers

Cooling Heatsinks

  1. VRM heatsink

    The two VRM heatsinks are placed above the MOSFETs and chokes, and are connected by a heat-pipe to further increase surface area for heat dissipation.

  2. M.2 heatsink

    Two dedicated heatsinks keep the dual M.2 SSDs at the optimum operating temperature for consistent performance and reliability.

  3. High-conductivity thermal pad

    A high-quality thermal pad improves overall heat transfer from the system by bridging the heat generated by the power stages to the heatsink.

  4. Passive chipset heatsink

    A dedicated chipset heatsink draws heat away to maintain optimum operating temperatures.

ROG Crosshair VIII Dark Hero
  • Multiple temperature sources
  • 4-pin PWM/DC fan
  • Bundled Fan Extension Card II
  • Water pump+
  • Water in/out
  • Water flow

Cooler by design

ROG Crosshair VIII Dark Hero features the most comprehensive cooling options ever.

  • Multiple temperature sources

    Each header can be set to monitor and react to three user-configurable thermal sensors for workload-based cooling. All settings can be easily managed by Fan Xpert 4 or UEFI.

  • 4-pin PWM/DC fan

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

  • AIO PUMP

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

ROG Water-Cooling Zone

Dual water-temperature headers and a flow-rate header feed information straight into the AI Suite utility, allowing you to track coolant temperatures and the flow rate of the entire loop.

  • Water pump+

    A dedicated header can supply over 3 amps to high-performance PWM or DC water pumps.

  • Water in/out

    A dedicated header enables monitoring of temperatures at the input/output points of any component.

  • Water flow

    A dedicated header enables constant monitoring of flow rate throughout the entire loop.

Optimization

ROG Crosshair VIII Dark Hero is packed with intuitive and flexible tools to allow customization across all system parameters to deliver the performance you want.

  • 5-way optimization
  • BIOS
  • Differential Sensing

Performance Level Up

The dashboard-style control panel of AI Suite 3 lets you fine-tune almost every aspect of your ROG Crosshair VIII Dark Hero system with ease. Get the best balance between performance, cooling, stability, and efficiency via one simple and intuitive interface.

  • TPU
  • EPU
  • Fan Xpert 4
  • Digital power controls
  • Turbo App

UEFI BIOS

The renowned ROG UEFI (BIOS) provides everything you need to configure, tweak, and tune your rig. It offers intelligently simplified options for newcomers to PC DIY, as well as comprehensive features for seasoned veterans.

  • Advanced Mode
  • EZ Mode

Accurate Voltage Monitoring

Conventional motherboards use single-ended sensing tapped from a location that isn't ideal, leading to a large disparity between the actual voltage fed to the CPU and the value reported to software. ROG Crosshair VIII Dark Hero features a differential-sensing circuit and delicate IC that simplify overclocking and tuning by allowing you to track voltages more accurately.

CONNECTIVITY

ROG Crosshair VIII Dark Hero offers advanced connectivity, including WiFi 6 (AX200) and dual Ethernet with Intel® 1Gb and Realtek 2.5Gb Ethernet port to eliminate bottlenecks so you can enjoy exceptionally smooth online and LAN play. Additionally, the M.2 supports AMD StoreMI technology to maximize the speed of your SSD for faster load times, and SupremeFX on-board audio provides superb sound, while saving a PCIe slot.

  • Networking
  • Storage
  • Audio
  • WiFi 6 (AX200)

    Onboard WiFi 6 (802.11ax) supports ultrafast wireless-networking speeds, improved capacity and better performance in dense WiFi environments, providing exceptional online gaming experiences. *

    Pair your motherboard with ASUS WiFi 6 routers to fully experience the networking potential of WiFi 6. Find out more about ASUS WiFi 6 solutions: https://www.asus.com/wifi6/ WI-FI GIG+ 6 BY INTEL
  • REALTEK 2.5G LAN

    2.5G on-board Ethernet kicks your LAN connection up a notch with an up to 2.5X bandwidth improvement. Using your existing LAN cable, you can take advantage this networking upgrade to experience smoother, lag-free gaming, immediately stream high-resolution videos and enjoy faster file transfers.​

  • Intel® 1Gbps Ethernet

    ROG Crosshair VIII Dark Hero features the latest Intel® Ethernet (I211-AT) ensuring data exchanges with your network and the outside world are fast and smooth. Intel LAN reduces CPU overhead and increases TCP and UDP throughput, keeping more processing power.

*Actual speed varies, depending on networking conditions.
ROG Crosshair VIII Dark Hero

Storage

  • UNTHROTTLED TRANSFER SPEED

    Dual PCIe 4.0 M.2 Slot support up to 22110 and provide NVMe SSD RAID support for an incredible performance boost. Create a RAID configuration with up to two PCIe 4.0 storage devices to enjoy the fastest data-transfer speeds on the AMD Ryzen™ 5000 and 3000 Series desktop processors.

    PCIe 4.0 READY
  • AMD STOREMI

    AMD StoreMI technology is a software utility that accelerates any drive for better system responsiveness with reduced startup and software load times. It combines SSD performance with the affordability and capacity of an HDD by automatically moving frequently accessed data to dedicated SSD storage.​

    AMD StoreMI
  • PCIe 4.0 x 4 v.s. PCIE 3.0 x 4

SupremeFX

ROG SupremeFX audio technology delivers an exceptional 113 dB signal-to-noise ratio on the line-in connection to provide best-ever recording quality. There's also a low-dropout regulator for cleaner power delivery to the SupremeFX S1220 codec, an ESS® ES9023P digital-to-analog converter for superior front-panel output, and a Texas Instruments® RC4580 op amp for high gain with low distortion — all to produce unmatched audio quality.
>Learn more about ROG audio technology

  • Audio Line Shielding
  • ESS® ES9023P
  • S1220 Codec
  • Switching MOSFETS
  • Nichicon® CAPS
  • Blocks electromagnetic interference from the motherboard or add-ons to provide cleaner audio.

  • The ESS® ES9023P digital-to-analog converter creates a perfect balance for top-tier audio clarity capable of 112db DNR /-94dB THD+N for superior front-panel output

  • 10 DAC channels provide simultaneous 7.1-channel playback, independent 2.0-channel, multiple-stream stereo to front-panel outputs

  • Unique design allows the codec's impedance-sensing function to be ported with either the front or rear headphone outputs

  • Fine-quality Japanese-made components that produce a warmer, natural sound with exceptional clarity and fidelity

Personalize

In addition to extraordinary performance, ROG Crosshair VIII Dark Hero provides extensive styling and customization options to let you build a system that truly stands apart.

  • Aura Sync
  • Ramcache III
  • Audio
  • Armoury Crate
  • Aura Sync
  • RGB Header

Grow your gaming world

Gear up with ROG components, from graphics and monitors to mice and keyboards. And up your game with complementary aesthetics, control and compatibility. The ROG ecosystem is more extensive than any competing brand, so enjoy greater choice as your system expands.

  • Static
  • Breathing
  • Strobing
  • Rainbow
  • Color cycle
  • Starry night
  • Music effect
  • Smart

Addressable Gen 2 RGB header

The addressable Gen 2 RGB headers now feature software that can automatically tailor lighting effects to specific devices. The new headers also offer backward-compatibility with existing Aura RGB gear.

RAMCache lll software utility turns milliseconds into microseconds to boost game-load times. Fully compatible with the latest NVM Express® storage options, RAMCache lll utilizes uniquely intelligent technology to effectively cache any storage device, so favorite games and apps launch at breakneck speeds.

  • Smart mode
  • Real-time information
  • Health check
  • Sonic Studio III
  • DTS

Sonic Studio III

Sonic Studio supports HRTF-based (head-related transfer function*) virtual surround for headsets, casting an immersive aural landscape that draws you deeper into the action. The intuitive Sonic Studio interface also offers a range of EQ options and one-click presets, allowing you to tailor acoustics to suit personal preferences or the characteristics of your headset.

Learn more about Sonic Studio III

*A head-related transfer function is an audio algorithm derived from sound data recorded through a dummy head. Test tones are played from a spherical grid around the dummy head to obtain subtle changes in sounds that come from different directions. The results are combined into an algorithm that allows Sonic Studio's virtual surround to process sound true to life.

Learn more
  • Sonic Studio Link
  • App-specific profiles
  • Sonic Studio virtual mixer

DTS : Sound Unbound

ROG Crosshair VIII Dark Hero includes a pre-loaded DTS Sound Unbound app that envelops you in audio as never before, conjuring whole new levels of immersion for extraordinary gaming and entertainment experiences. By exploiting Windows Sonic spatial technology, DTS Sound Unbound delivers audio in a virtual 3D space — putting you right in the middle of the soundscape, where you can sense the location and direction of every gunshot, footstep or other sound in your virtual environment.
* DTS Sound Unbound requires in-game support. Check with developers for titles that offer support.

dts
  • Stereo Sound Stereo Sound
  • Surround Sound Surround Sound
  • Spatial Sound Spatial Sound

Armoury Crate

Armoury Crate is a software utility designed to provide centralized control of supported ROG gaming products. From a single intuitive interface, Armoury Crate puts command of all your Aura gear at your fingertips with the new Aura Creator suite ready. The software also provides control of settings for a growing number of ROG products, making it easier to tune the look and feel of your system. Armoury Crate even offers dedicated product registration and ROG news feeds to help you stay in touch with the ROG gaming community.
Download Link>

  • AURA SYNC
  • Device Configuration
  • Driver & Manual Download
  • Gaming Highlight
  • Account Management

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