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ASUS ROG Crosshair X870E Edition 20 Motherboard

ROG-CROSSHAIR-X870E-EDITION-20 | ASUS
$6499
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The ASUS ROG Crosshair X870E Edition 20 is a flagship E-ATX gaming motherboard for AMD Ryzen 9000, 8000 and 7000 Series desktop processors, combining the AMD X870E chipset with an advanced 24+2+2 power-stage design, DDR5 memory support, PCIe 5.0 connectivity and up to nine M.2 slots. Supporting up to 256GB of DDR5 memory with speeds up to 8600+ MT/s via overclocking on Ryzen 9000 processors, the motherboard features NitroPath DRAM Technology, DIMM Fit Pro and AMD EXPO support for advanced memory optimisation. Two PCIe 5.0 x16 slots provide high-bandwidth expansion, while five onboard M.2 slots, a ROG Hyper M.2 card and ROG Q-DIMM.2 enable up to nine M.2 storage devices, including multiple PCIe 5.0 x4 interfaces. Networking includes dual 10Gb Ethernet and WiFi 7 with 320MHz channels, 6GHz support and 4096-QAM, while two USB4 40Gbps Type-C ports and extensive USB 10Gbps and 20Gbps connectivity provide high-speed peripheral support. The ROG Crosshair X870E Edition 20 also features ROG SupremeFX 7.1-channel audio with an ESS ES9219 QUAD DAC, Dolby Atmos, Bluetooth LE Audio and LHDC support. A full-copper VRM heatsink, 3D VC M.2 heatsink, M.2 heatsinks with backplates and comprehensive fan and pump headers provide extensive cooling support, while the included ROG RYUJIN 360 Edition 20 features a copper CPU/VRM liquid cold plate and swivel dual 6.67 inch AMOLED LCD displays for a distinctive showcase setup. Designed for enthusiast gaming PCs, overclocking, high-speed storage and demanding workloads, the ASUS ROG Crosshair X870E Edition 20 delivers an extensive feature set with advanced connectivity, cooling and personalisation options.

Features


ROG Crosshair X870E Edition 20

Innovate. Perform. Dominate.

Created to celebrate ROG's 20th anniversary, the ROG Crosshair X870E Edition 20 combines iconic design, exclusive collectability, and flagship performance in one exceptional platform.

Equipped with robust 24+2+2 power stages, up to nine M.2 slots, and a full-copper VRM thermal solution, it delivers uncompromising stability and cooling for extreme performance.

Paired exclusively with the ROG RYUJIN 360 EDITION 20, featuring the Asetek EMMA Gen10 V3Rx pump and a high-performance cold plate crafted from 99.95% high-purity copper, designed to simultaneously cool both the CPU and critical VRM components, this ultimate combination pushes thermal performance even further.

Completing the experience is the Swivel Dual 6.67" Curved AMOLED Display with ASUS Info hub control, transforming the system into a synchronised showcase of performance and immersive visuals.

  • Teamed Power Solution
  • Full Copper Vrm Heatsink
  • Up to Nine M.2 Slots - Five Onboard Slots Plus Two Slots via Rog Hyper M.2 Card and Two Slots via Rog Q-dimm.2
  • Rog Ryujin 360 Edition 20 - Asetek Emma Gen10 V3rx Pump, 40mm Thick, 20 Fpi Non-louvred Radiator, Swivel Dual 6.67" Curved AMOLED Display, Display Sync-up Mode
  • Asus Aio Q-connector
  • 3D VC M.2 Heatsink
  • Ddr5 - Max. 256 Gb, Server-grade Dram Enhancement, Nitropath Dram Technology, AEMP
  • Rog Memory Q-fan

Cooling - Onboard

Copper VRM Thermal Solution

A whole-copper thermal solution cools both the CPU and VRM area simultaneously, delivering exceptional and sustained performance even under the most demanding workloads.

3D VC M.2 Heatsink

The 3D vapour chamber M.2 heatsink offers a larger heat dissipation area, connected to extended heat pipes through a temperature equalisation plate to form a vacuum chamber, significantly improving cooling for PCle 5.0 M.2 SSDs.

M.2 Heatsinks

Large aluminium heatsinks provide extensive surface area to cool mounted M.2 drives, and three onboard M.2 slots have dedicated backplates for additional heat dissipation.

Chipset Heatsink and 3mm Backplate Heatsink

A dedicated heatsink draws heat away from the chipset to maintain optimum operating temperature.

ASUS ROG Crosshair X870E Edition 20 Feature 1

ROG Ryujin 360 Edition 20

  • Asetek Emma Gen10 V3rx Pump
  • Microfinned Copper Cold plate
  • Copper Heatsink
  • Swivel Dual 6.67" Curved AMOLED Display
  • Lower 40°C - Mosfet Temperature
  • Lower 10% - CPU Temperature
  • 5.71 mmH2O Air Pressure
  • 95.65 CFM Air Flow
  • 500~2600&plus-minus;10% RPM Fan Speed

Heavy-Duty Radiator

The Counter-Cross Flow Hex radiator reengineers the liquid path through the 40mm-thick radiator to maximise heat dissipation surface area and thermal efficiency, delivering exceptional cooling performance.

Personalisation

Swivel Dual 6.67" Curved AMOLED Display

The ROG Crosshair X870E Edition 20 features a swivel dual 6.67-inch curved AMOLED display that can be adjusted to the perfect viewing angle. You can enable Display Sync-Up Mode through ASUS Info Hub to seamlessly synchronise visuals between the ROG Crosshair X870E Edition 20 and the ROG Astral GeForce RTX 5090 Edition 20.

Asus AI Intelligence

AI Cache Boost

Supercharge your large language model (LLM) workflows with AI Cache Boost. Exclusive to ASUS AMD 800 and 600 series motherboards that use Ryzen™ 9000 Series CPUs, this BIOS setting optimises CPU cache and memory pathways to deliver up to 29% faster local LLM performance with high-speed memory tuning.

Increase AI LLM performance up to 29% with AI Cache Boost

Tokens Per Second

With an ASUS AMD 600 or 800 series motherboard and a Ryzen™ 9000 series CPU, you can enable the AI Cache Boost setting in the BIOS. This feature applies comprehensive optimisations to CPU cache and memory pathways, greatly reducing the typical performance drop that can happen when VRAM is used up. Internal testing determined that enabling AI Cache Boost delivered up to a 15% performance uplift when running large language models that exceeded graphics card memory. With high-speed DDR5 memory and additional Infinity Fabric clock (FLCK) speed tuning, this performance uplift nearly doubled. For enthusiasts, creators or anyone who wants a powerful AI model capable of deep reasoning and natural conversation running on their own hardware, they can enjoy these uplifts today with AI Cache Boost.

AMD Ryzen 7 9800X3D - RX9070XT-16GB - ROG Crosshair X870E Hero

  • Default: 6.35
  • AI Cache Boost: 7.31 - +15.12%
  • AI Cache Boost: 8.2 (EXPO8000 + FCLK 2200MHz)

AMD Ryzen 7 9800X3D - RTX5080-16GB - ROG Crosshair X870E Hero

  • Default: 6.01
  • AI Cache Boost: 6.96 - +15.81%
  • AI Cache Boost: 7.64 (EXPO8000 + FCLK 2200MHz)

Benchmark

Run AI applications on your PC more smoothly with AI Cache Boost

AMD Ryzen 9 9950X3D - RTX 4090 - ROG Crosshair X870E Hero

Geekbench AI (Higher is better)

  • Default: 51786
  • AI Cache Boost: 54392 - +5.03%
  • AI Cache Boost & Turbo Game Mode: 56757

UL Procyon - AI Computer Vision Benchmark (Higher is better)

  • Default: 1426
  • AI Cache Boost: 1485 - +4.14%
  • AI Cache Boost & Turbo Game Mode: 1702

Topaz Video AI (Lower is better)

  • Default: 153 sec
  • AI Cache Boost: 148 sec - +3.27%
  • AI Cache Boost & Turbo Game Mode: 145 sec - +5.2

AMD Ryzen 7 9800X3D - RTX 4090 - ROG Crosshair X870E Hero

UL Procyon - AI Computer Vision Benchmark - (Higher is better) Default: 1490 AI Cache Boost: 1680

Asus AI Advisor

Using AI technology to understand natural-language questions or scenario descriptions, ASUS AI Advisor allows users to explore the functionality and advanced features of ASUS motherboards in a simple and straightforward way.

ASUS AI Advisor is an ASUS technical expert that's always available to answer your questions. Owners of compatible ASUS motherboards can interact with this AI-powered technology using natural language to learn more about their hardware. For DIY beginners, it can provide easy-to-understand explanations of one-click optimisation features like AI Overclocking and fan speed tuning, and for seasoned PC-building veterans, it can offer guidance and instructions on the latest features offered by ASUS.

* Availability of ASUS AI Advisor may vary by region.

ASUS ROG Crosshair X870E Edition 20 Feature 2

AI Overclocking

ASUS AI Overclocking profiles the CPU and cooling to predict the optimal configuration and push the system to its limits. Predicted values can be engaged automatically or used as a launching ground for further experimentation.

AI Cooling II

A proprietary ASUS algorithm slashes unnecessary noise while running a quick stress test, and then monitors CPU temperatures to dynamically adjust fans to optimal speeds.

AI Networking II

MLO Wizard

MLO Wizard assesses your environment for Multi-Link Operation support across your device, router and operating system, while also visualising the current traffic capacity on each of your router's frequency bands.

Traffic Monitor

Armoury Crate's Traffic Monitor tracks your current WiFi channel usage. Move to a less congested channel by clicking the "Channel Switch" button (The "Channel Switch" function requires pairing with an ASUS router. If not paired with an ASUS router, the channel change process can be performed in the "Router IP" section of the Traffic Monitor) for improved network performance.

Fast Check

Armoury Crate's Fast Check empowers users to rapidly detect WiFi signal strength.

Direction Finder

Armoury Crate's Direction Finder (The Direction Finder is only compatible with connections in the 5GHz and 6GHz bands) helps users detect the optimal antenna orientation for achieving the best WiFi signal strength.

GameFirst

GameFirst is now integrated into Armoury Crate for an even better user experience. GameFirst optimises networking performance by allocating bandwidth in real time, based on intelligent algorithms designed for various application customisable usage scenarios and corresponding learning algorithms. The latest update includes dedicated support for NVIDIA® GeForce NOW to ensure the lowest latency possible during intense game streaming cloud gaming sessions. To provide a better user's experience, GameFirst is now integrated into Armoury Crate.

Performance Overclocking

Dynamic OC Switcher

Dynamic OC Switcher maximises CPU performance by letting you set current and temperature thresholds to automatically switch between a manual overlock for heavy multithreaded workloads and Precision Boost Overdrive for single-threaded tasks. The latest Overclocking Load Guard has an enhanced instantaneous current protection mechanism to prevent users from experiencing system crashes during overclocking.

Temp Current

Manual OC - Multi-Threaded Performance (Ex: > 35A, < 80°) AMD PBO - Single-Threaded Performance (Ex: ≤ 35A, ≥80°)

Example

If a user sets thresholds for current and temperature as shown, once CPU current exceeds 35A, the manual overclock engages until the temperature reaches 80°. At all other times, Precision Boost Overdrive will be used.

Core Flex

Core Flex empowers you to smash limits farther than ever before by letting you control clock, power, and thermals in creative new ways.

In its simplest form, you can maximise base clock during lighter loads and set breakpoints to gradually reduce CPU core frequency as temperature or current increases. But the system is extremely adaptable, supporting multiple user-controlled functions that can manipulate power, current, and temperature limits independently so that you can bend CPU performance to your will.

Temp Current Voltage

  • Max Performance
  • Medium
  • Safe & Stable

Example

Base Clock

  • For this CPU, the base clock (BCLK) can be stably increased to give an extra boost during lightly threaded workloads.
  • At Level 1, the BCLK is set to 104, and it remains at that frequency until the current reaches 35A.
  • Then the BCLK drops down to 102, and stays in that Level 2 range up until 55A.
  • From that point on, the CPU is using most or all of its threads, so the BCLK scales back to the default 100.

EDC

  • By managing the Electrical Design Current (EDC) in tandem with the total current, this CPU can gain extra performance for short, demanding bursts.
  • During lightly threaded workloads, below 35A, the Level 1 EDC is set to a low value, in this case 60.
  • As more cores are needed, the EDC is set to 120, which was found by this user to be a sweet spot for performance.
  • Once the CPU passes 70A, it is in multi-threaded territory, where it was found that a high EDC of 250 gave optimal performance.

PPT

  • In order to let the CPU cool off if its temperatures go too high, this user constrains the Package Power Target (PPT) when thermals increase. Specifically the short-term value (“Fast”) is used.
  • Until the CPU reaches 70°, it can run at full performance, so 350W is set to give plenty of overhead.
  • At that point, the power limit reduces to 220W, to let the CPU start reducing heat.
  • If it is still under sustained load and keeps getting hotter, then a more stringent 165W PPT is set at 85°.

Asynchronous Clock

For next-level frequency flexibility, the ROG Crosshair X870E Edition 20 features a built-in clock generator that isolates CPU base clock from memory, PCIe, and the Infinity Fabric speed.

Drive CPU performance to its absolute brink while maintaining the stability of related clock domains.

Separate CPU BCLK from other components for a stable overclocking edge.

SoC-Connected Components.

  • Crystal - Crystal Oscillator
  • ProClock II - Clock Generator
  • BCLK1 - iGPU, Memory, Infinity, Fabric, NBIO
  • BCLK2 - CPU Clock

PBO Enhancement

AMD Precision Boost Overdrive (PBO) pushes the CPU current and voltage budget to opportunistically increase performance.

By aggressively tuning the PBO parameters, AMD's algorithm can leverage the motherboard's robust power solution to ramp up performance even higher.

  • EDC
  • PPT
  • TDC
  • Fmax
  • Scalar

ASUS ROG Crosshair X870E Edition 20 Feature 3

Overclocker's Toolkit

The ROG Overclocker's Toolkit is a powerful set of hardware-level controls to enhance your overclocking experience. Some are quick and easy time savers, while others offer masterful functionality to help you smash benchmarks and break records.

Safe Boot Button

Instantly reset the PC and boot directly into Safe mode.

RSVD Switch

Helps the system boot under extreme temperatures (≤ -120°C)

BCLK Buttons

Adjust the BCLK frequency to improve system performance.

LN2 Mode

Jumper to enable special options and functions for liquid-nitrogen (LN2) overclocking.

Probe it

Includes eighteen integrated measurement points for advanced tuning.

BIOS Switch

Switches between BIOS 1 and 2.

Retry Button

Instantly initiates a hard reset with just a press.

Slow Mode Switch

Reduces the CPU ratio to 8X to keep the system stable during setup for extreme overclocking.

Performance - Memory

Server-Grade DRAM Enhancement

Thanks to improved signal routing, now enthusiast-grade kits can be driven far beyond the 9 GT/s mark on the ROG Crosshair X870E Edition 20 (Memory overclocking may vary between CPU series).

Server-Grade PCB Design

Ultra Low-Etch Process

A server-grade ultra low-etch process provides a specialised PCB treatment that improves material uniformity and layer flatness. This enhances the grounding structure to deliver more consistent signal integrity, leading to a stable environment for high-speed DDR5 tuning and more headroom for overclocking.

PCB Back Drilling

This special signal routing design helps optimise data integrity and system performance by limiting interference, noise, and crosstalk between the connection layers of a high-performance PCB.

Eight-Layer Design

Built on a server-grade eight-layer blueprint, the motherboard's core is engineered for precision. High-speed bus signals for PCIe 5.0 and DDR5 are clean and stable via controlled impedance and dedicated power/ground layers, while the stiffer structure enhances durability. The result is quieter signal behaviour and steadier performance under pressure.

Two-Ounce Copper Power Planes

With two-ounce copper power planes, current flows with less resistance and heat spreads more evenly. VRM temperatures are easier to control during sustained loads, unlocking more headroom for performance and overclocking. Thicker copper means steadier power delivery, faster heat dissipation, and long-term reliability you can count on.

ASUS ROG Crosshair X870E Edition 20 Feature 4

DDR5 Strength

For those who want to fly past stock DDR5 speeds, the ROG Crosshair X870E Edition 20 is primed and ready for enthusiast-grade kits courtesy of vast AMD Extended Profiles for Overclocking (EXPO) support. Seasoned veterans can further tweak performance via the extensive array of settings in the UEFI.

*Memory overclocking may vary between CPU series. Please refer to the spec table for detailed information.

*Max Manual Overclocking: Achievable with advanced BIOS configuration and potentially specialised hardware. Passed AIDA64 memory benchmark at this frequency, verifying read/write bandwidth. Results may vary according to system components.

DIMM Fit / DIMM Fit Pro

DIMM Fit is an ASUS-exclusive BIOS feature that precisely analyses individual memory modules to optimise performance and pinpoint potential issues; whereas DIMM Fit Pro is an advanced option that provides more extensive customisability for memory optimisation.

DIMM Fit Pro gives advanced PC builders more extensive customisability for memory tuning. It allows users to control up to twenty overclocking parameters, define testing ranges, and prioritise stability or performance, offering a more flexible and granular approach to memory optimisation.

NitroPath DRAM Technology

NitroPath DRAM Technology provides enhanced DDR5 memory performance. Shorter gold finger pins and optimised signal pathways ensure faster data transfers between your DRAM and CPU, allowing for greater memory overclocking headroom and stability. These reinformed DRAM slots are also better prepared to withstand the wear and tear of the RAM installation process than traditional slot designs, perfect for enthusiasts who keep their system upgraded with the fastest kits available.

  • Frequency up to 400 MT/s higher
  • Slot retention force enhanced by 57%
  • Gold finger stub >70% shorter
  • Conventional Slot
  • NitroPath DRAM Slot

AEMP

ASUS Enhanced Memory Profile (AEMP) is an exclusive firmware feature for PMIC-restricted memory modules.

AEMP automatically detects the memory chips on your kit and then presents optimised frequency, timing and voltage profiles that you can effortlessly apply to unleash performance.

Power Solution

ASUS ROG Crosshair X870E Edition 20 Feature 5

ROG Ultimate Power Solution - 24(110A)+2(110A)+2(80A) Power Stages

8 + 8-Pin Procool II Power Connectors

Dual Procool connectors ensure a snug and reliable connection to the EPS 12V power lines.

24+2+2 Power Stages

The VRM features 24+2+2 power stages, each rated to handle up to 110 amps.

  • 24 VCORE (110A)
  • 2 SoC (110A)
  • 2 MISC (80A)

10K Black Metallic Capacitors

Input and output filtering is provided by solid-polymer capacitors rated for high operating temperatures.

Microfine Alloy Chokes

Each power stage is accompanied by a high-permeability alloy-core choke rated to handle 45 amps.

Connectivity

  • Republic of Gamers, 20th Anniversary Protocol
  • Build: v20.06-v20.26

Pcie 5.0

Fully embracing the new standard, the ROG Crosshair X870E Edition 20 offers abundant Gen 5 support to give unfettered bandwidth to the fastest SSDs and graphics cards available.

ASUS ROG Crosshair X870E Edition 20 Feature 6

PCIe® Lane Optimisation

Gaming & Streaming

Fully utilises native PCle 5.0 lanes supported by AMD Ryzen™ 9000 & 7000 CPUs, delivering optimised bandwidth for maximum gaming performance.

  • 24 PCle 5.0 lanes
  • PCle 5.0 X4 for M.2 SSD
  • PCle 5.0 X16 for GPU
  • PCle 5.0 X4 for M.2 SSD

Maximum Storage

With two expansion cards, the ROG CROSSHAIR X870E GLACIAL supports up to seven M.2 slots, ideal for users seeking massive high-speed storage.

  • Supports up to 9 M.2 Slots
  • PCle 5.0 M.2
  • PCle 4.0 M.2
  • 2 x PCle 4.0 M.2 via ROG Q-DIMM.2
  • 2 x PCle 5.0 M.2 via ROG HYPER M.2 CARD

Advanced Creation & AI

Cater to professional creators and demanding Al workloads, including dual GPU support for intensive Al and rendering tasks.

  • PCle 5.0 x 8

Five Onboard M.2 Slots

The ROG Crosshair X870E Edition 20 features five onboard M.2 slots, two of which are PCIe 5.0-ready to offer blistering 16 GB/s speeds, while the others offer still-impressive 8 GB/s over PCIe 4.0 interfaces.

Expansion Slots

Both x16 expansion slots offer PCIe 5.0 with incredible speeds up to 64 GB/s for compatible devices, fully supporting next-gen graphics cards. To bear the weight of massive graphics cards, they are also protected with SafeSlot retention brackets which can be released easily, thanks to PCIe Slot Q-Release.

ROG Expansion Cards

ROG Hyper M.2 Card

The ROG Hyper M.2 Card provides two slots for PCIe 5.0 drives, with a large heatsink for optimal cooling and M.2 Q-Release for quick, tool-free installation. (M.2 drive not included.)

ROG Q-DIMM.2

The ROG Q-DIMM.2 expansion card lets you easily mount two PCIe 4.0 M.2 drives next to the memory module slots, where the card's large heatsinks send heat directly into the path of chassis airflow. (M.2 drive not included.)

USB Ports

Two USB4® Type-C® Ports

Each USB4® port delivers up to 40 Gbps of bidirectional bandwidth for the latest super-speed devices and drives. External display support reaches up to 8K output if one of the ports is in use, or both can be employed for dual 4K displays.

Two USB 20Gbps Type-C® Front-Panel Connectors

Supercharge your build with a high-end ROG chassis featuring lightning-fast dual front USB-C ports. Each connector delivers up to 20Gbps transfer speeds for compatible motherboards, and one of them supports Quick Charge 4+ for up to 60 watts of rapid device charging.

*Requires a PCIe® power cable to be connected to the nearby 8-pin power header.

USB Wattage Watcher

USB Wattage Watcher allows users to monitor the current wattage delivered to a device connected to the USB 20Gbps Type-C front-panel connector. With USB Wattage Watcher, users can glance at their device's charging wattage in real-time and check on their device's Fast-Charging status.

  • Fast Charging - 55.86 W

WIFI7

The revolutionary WiFi 7 is up to 4.8X times faster than standard WiFi 6 (WiFi 7 features require onboard WiFi chipset, WiFi AP, and WiFi 7-supported operating systems to support the corresponding features. 320 MHz channels in the 6 GHz band may be unavailable in some regions/countries due to regulatory restrictions.), thanks to tech like 320 MHz channels (Specifications vary by model.) on the 6GHz band and 4K QAM (WiFi 7 features require onboard WiFi chipset, WiFi AP, and WiFi 7-supported operating systems to support the corresponding features. 320 MHz channels in the 6 GHz band may be unavailable in some regions/countries due to regulatory restrictions.). Multi-Link Operation (MLO) provides a more stable WiFi connection and lower latency, unlocking the realms of the unknown in gaming, streaming and industrial IoT.

  • 320 MHz
  • 6GHz band
  • 4096 QAM
  • Up to 4.8X ultra-fast WiFi speeds
  • Dual 10gb Ethernet

ASUS WiFi Q-Antenna

Dual transceivers support the 2.4, 5 and 6 GHz bands to enable faster throughput, with directional sensitivity to improve signal quality and cover greater distances.

  • Wireless Signal Reception Improvement
  • Versus previous-generation antenna
  • Up to +6% 6GHz
  • Up to +18% 5/2.4 GHz

Dual 10Gb Ethernet

Low-latency gaming, speedy file transfers, and high-resolution video streaming are among the many perks of onboard Realtek 10G Ethernet

Gaming Audio

ASUS ROG Crosshair X870E Edition 20 Feature 7

SupremeFX

ROG SupremeFX audio technology delivers an exceptional 110 dB signal-to-noise ratio to the line-in jack for pristine recording quality. There's also a low-dropout regulator for cleaner power delivery to the SupremeFX ALC4082 codec and an integrated ESS® ES9219 Quad DAC capable of reaching -114dB THD+N for superior front-panel output. This combined solution allows for end-to-end 32-bit 384 kHz resolution playback that conveys all the subtlety and nuances of each audio track.

Audio Line Shielding

Blocks Electromagnetic Interference From the Motherboard or Add-ons to Provide Cleaner Audio.

Capacitors

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

ALC4082 Codec

Instead of the conventional high-definition audio (HDA) interface, the ALC4082 codec uses a USB interface to deliver studio-level sound reaching up to 32-bit 384 kHz audio resolution.

ESS® ES9219 Quad DAC

The ESS ES9219 QUAD DAC integrated QUAD DAC amplifier is capable of providing-114 dB total harmonic distortion (THD+N) for standard audio devices, and it can ramp up to 2Vrms on supported audiophile hardware. In addition, the 121 dB dynamic range (DNR) provides an extremely low noise-floor, further accentuating dynamics and punch.

Switching Mosfets

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

Dolby Atmos

Dolby Atmos expands on traditional surround sound systems by adding height channels, allowing sounds to be interpreted as three-dimensional objects. This creates an immersive audio experience, giving the sensation of sound coming from above, below, and around the listener.

Low Latency

With the LC3 codec and LE Audio, latency is reduced by up to 70% versus legacy Bluetooth. Gamers can enjoy near real-time sound effects, footsteps, and voice cues, plus clearer, more stable in-game communication.

Immersive Spatial Sound

SMONO (Spatial Mono) is a 3D spatial audio technology that works over Bluetooth LE Audio. By dynamically tracking the position of sounds in-game, it provides realistic directional cues — helping gamers locate enemies, footsteps, or environmental sounds more accurately. This creates a deeper sense of immersion and improves situational awareness in fast-paced games.

Low Latency High Definition Codec

Experience wireless sound without compromise. The Low Latency and High-Definition Audio Codec (LHDC) delivers up to 24-bit/192kHz studio-quality audio that preserves fine detail and dynamic range. When paired with LHDC-compatible devices through ASUS or ROG motherboards, it provides clean, high-resolution listening experiences for music, movies, and gaming.

EZ PC DIY

Asus Aio Q-Connector

The ASUS AIO Q-Connector's cableless link between the motherboard and the AIO cooler eliminates the need for pump, fan, and LCD cables, enabling smoother installation and an unprecedented level of visual cleanliness.

PCIE Slot Q-Release

A physical button unlocks the first PCle slot's security latch with one tap, greatly simplifying the process of detaching a PCle card from the motherboard when it's time to upgrade to a new GPU or other compatible device.

M.2 Q-Release

The M.2 heatsink features a convenient switch (Switch may be a lever or button, depending on motherboard model) to quickly remove it, eliminating the need for tiny screws during SSD installation. Its strong locking mechanism also provides a snug contact surface, helping to ensure reliable heat dissipation for your SSD.

M.2 Q-Slide

This new sliding M.2 latch design supports sizes 2242, and 2260 for easy device installation.

New M.2 Q-Latch

The new Q-Latch design allows for tool-free installation or removal of M.2 SSDs with just one press.

Q-Antenna

With Q-Antenna, attaching a WiFi antenna to your PC is now easy and fast. Instead of slowly rotating two fasteners until they finally lock in, they just snap into place. Less hassle, and more consistent performance.

Q-Code

The on-board LED panel shows 2-digit diagnostic codes, providing a valuable reference for troubleshooting common boot problems and hardware issues.

BIOS Flashback & Clear CMOS

The Clear CMOS button quickly resets BIOS settings to factory default. It can also be used to reboot the PC if incorrect BIOS settings have been selected. BIOS FlashBack™ is a safe and simple way to update BIOS. Just drop the (UEFI) BIOS file onto a FAT32-formatted USB stick, plug it into the USB BIOS Flashback port, and press the button. Updates can even be performed without having memory or a CPU installed.

  • BIOS
  • Clear CMOS

Commemorative

Magnetic Cover

  • Crosshair Edition 20 Photo Frame
  • Crosshair Edition 20 Plaque

Extensive Compatibility

Asus Chassis Support

*For third-party chassis, please ensure the installation area for the radiator and radiator fans has the thickness greater than 70mm to allow for adequate space for installation. Actual installation will differ based on various use scenarios.

  • ROG GR20 Edition 20
  • ROG Hyperion Gr701

Specifications


General Data

Model Number ROG-CROSSHAIR-X870E-EDITION-20
Socket AM5
CPU AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors (Refer to https://www.asus.com/support/download-centre/ for CPU support list.)
Chipset AMD X870E
Memory 4 x DIMM slots, max. 256GB, DDR5
Supports up to
8600+MT/s(OC)**/8200+MT/s(OC)*** with Ryzen™ 9000 Series Processors,
9600+MT/s(OC)**/9200+MT/s(OC)*** with Ryzen™ 8000 Series Processors,
8000+MT/s(OC)**/8000+MT/s(OC)*** with Ryzen™ 7000 Series Processors,
ECC and Non-ECC, Un-buffered DIMM*
Dual Channel Memory Architecture
Supports AMD Extended Profiles for Overclocking (EXPO™)
Supports DIMM Fit and DIMM Fit Pro
ASUS Enhanced Memory Profile (AEMP)
NitroPath DRAM Technology
* Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit https://www.asus.com/support/download-centre/. Adjustments will be made based on the specifications of mass-produced memory products available on the market.
* Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.
** Max Manual Overclocking: Achievable with advanced BIOS configuration and potentially specialised hardware. Passed AIDA64 memory benchmark at this frequency, verifying read/write bandwidth. Results may vary according to system components.
*** XMP/EXPO/AEMP Profiles: Rated memory module speeds require setting the BIOS performance profile. Results may vary according to system components and can be impacted when four DIMM slots are used. For XMP/EXPO/AEMP profile settings, please visit https://rog.asus.com/support/faq/1042256/
Graphics 2 x USB4® (40Gbps) ports support USB Type-C® display outputs**
* Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications.
** Supports max. 4K@60Hz as specified in DisplayPort 1.4a
*** The display function of the Type-C® port depends on the resolution supported by your processor or graphics card. For more details, please refer to the product manual.
RAID Support AMD RAIDXpert2 Technology
Ryzen™ 9000 & 8000 & 7000 Series Processors: RAID 0/1/5/10*
*SATA ports from ASM1162 cannot support RAID
Ethernet 2 x Realtek 10Gb Ethernet
ASUS LAN Guard
Wireless & Bluetooth Wi-Fi 7 (MediaTek MT7927)
2x2 Wi-Fi 7* (802.11be)
Supports 2.4/5/6GHz frequency band**
Supports Wi-Fi 7 320MHz bandwidth
Bluetooth® v5.4 (support LE Audio)***
*Wi-Fi features may vary depending on the operating system.
For Windows 11, Wi-Fi 7 will require 24H2 or later version for full functions, Windows 11 21H2/22H2/23H2 only support Wi-Fi 6E.
For Windows 10, please note that no driver is available, refer to the Wi-Fi chipset vendor's website for details.
** Wi-Fi 6GHz frequency band and bandwidth regulatory may vary between countries.
*** The Bluetooth® version may vary, please refer to the Wi-Fi module manufacturer's website for the latest specifications.
Operating System Windows® 11
BIOS 2 x 64 MB (512Mb)
Flash ROM, UEFI AMI BIOS
Manageability WOL by PME

Expansion Slots

AMD Ryzen™ 9000 & 7000 Series Desktop Processors* 2 x PCIe 5.0 x16 slots with PCIe Q-Release Switch (supports x16 or x8/x8 or x8/x4/x4 or x4/x4/x4/x4 modes)**
AMD Ryzen™ 8700 & 8600 & 8400 Series Desktop Processors* 2 x PCIe 4.0 x16 slots with PCIe Q-Release Switch (only supports PCIEx16(G5)_1 & total bandwidth for x8, PCIEx16(G5)_2 will run at PCIe 3.0 x4)
AMD Ryzen™ 8500 & 8300 Series Desktop Processors* 2 x PCIe 4.0 x16 slots with PCIe Q-Release Switch (only supports PCIEx16(G5)_1 & total bandwidth for x4, PCIEx16(G5)_2 will run at PCIe 3.0 x4)
Notes * Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/).
* Specifications vary by CPU types.
** When PCIEX16_1 runs at PCIe 5.0 x16, PCIEX16_2 will run at PCIe 3.0 x4. The bandwidth can be altered in the BIOS.
- To ensure compatibility of the device installed, please refer to https://www.asus.com/support/ for the list of supported

Storage

Storage Support Supports up to 9 x M.2 slots and 4 x SATA 6Gb/s ports
AMD Ryzen™ 9000 & 7000 Series Desktop Processors* M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 5.0 x4 mode)
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)**
Hyper M.2_1 slot (Key M) via ROG Hyper M.2 card, type 2230/2242/2260/2280/22110 (supports PCIe 5.0 x4 mode)
Hyper M.2_2 slot (Key M) via ROG Hyper M.2 card, type 2230/2242/2260/2280/22110 (supports PCIe 5.0 x4 mode)
AMD Ryzen™ 8700 & 8600 & 8400 Series Desktop Processors* M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode)
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)**
AMD Ryzen™ 8500 & 8300 Series Desktop Processors* M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode)
M.2_2 slot (Key M), type 2242/2260/2280 (Not supports)
AMD X870E Chipset DIMM.2_2 slot (Key M) via ROG Q-DIMM.2, type 2230/2242/2260/2280/22110 (supports PCIe 4.0 x2 mode)
2 x SATA 6Gb/s ports
AS Media ASM58012 Controllers M.2_3 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)
M.2_4 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)
M.2_5 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)
DIMM.2_1 slot (Key M) via ROG Q-DIMM.2, type 2230/2242/2260/2280/22110 (supports PCIe 4.0 x4 mode)
AS Media ASM1162 Controller 2 x SATA 6Gb/s ports
Notes * Specifications vary by CPU types.
** The USB4® 40Gbps ports and the M.2 Socket 3 slot (M.2_2) share the available bandwidth. When a device is installed in the M.2_2 slot, both the USB4® controller and the M.2_2 slot operate at up to x2 mode. By configuring the M.2_2 slot in the BIOS, the M.2_2 slot can operate at up to x4 mode. However, enabling this setting will disable the USB4® 40Gbps ports.

USB

Rear USB (Total 14 ports) 2 x USB4® (40Gbps) ports (2 x USB Type-C®)
12 x USB 10Gbps ports (8 x Type-A + 4 x USB Type-C®)
Front USB (Total 12 ports) 1 x USB 20Gbps connector (supports USB Type-C® with up to 60W PD/QC4+)*
1 x USB 20Gbps connector (supports USB Type-C®)
2 x USB 5Gbps headers support 4 additional USB 5Gbps ports
3 x USB 2.0 headers support 6 additional USB 2.0 ports
USB Type-C® power delivery output: max. 5V/3A
*USB Type-C® power delivery output: 5/9/15/20V max. 3A, PPS:3.3–21V max. 3A

Audio

Audio ROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4082**
- Impedance sense for front and rear headphone outputs
- Supports: Jack-detection, Multi-streaming, Front Panel MIC Jack-retasking
- High quality 120 dB SNR stereo playback output and 110 dB SNR recording input
- Supports up to 32-Bit/384 kHz playback on front panel
Audio Features - SupremeFX Shielding Technology
- ESS® ES9219 QUAD DAC
- LED-illuminated audio jacks
- Rear optical S/PDIF out port- Premium audio capacitors
Supports LHDC, high-definition Bluetooth audio codec, transmission with up to 400 kbps bitrate and 24-bit/192 kHz sampling rate.***
* A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.
** The LINE OUT port on the rear panel does not support spatial audio. If you wish to use spatial audio, make sure to connect your audio output device to the audio jack on the front panel of your chassis or use a USB interface audio device.
*** To enable LHDC please use a earbuds or Headset that supports LHDC codec, Please refer to the LHDC website for models that support LHDC https://lhdc.co/en/products/2.

Back Panel I/O Ports

Back Panel I/O Ports 2 x USB4® (40Gbps) ports (2 x USB Type-C®)
12 x USB 10Gbps ports (8 x Type-A + 4 x USB Type-C®)
1 x Wi-Fi Module
2 x Realtek 10Gb Ethernet ports
2 x LED-illuminated audio jacks
1 x Optical S/PDIF out port
1 x BIOS FlashBack™ button
1 x Clear CMOS button

Internal I/O Connectors

Fan and Cooling Related 1 x 4-pin CPU Fan header
1 x 4-pin CPU OPT Fan header
2 x 4-pin Chassis Fan headers
2 x 4-pin Radiator Fan headers
2 x W_PUMP+ headers
1 x AIO Q-Connector
1 x Extra Flow Fan header
Power Related 1 x 24-pin Main Power connector
2 x 8-pin +12V CPU Power connector
1 x 8-pin PCIe Power connector
Storage Related 5 x M.2 slots (Key M)
1 x DIMM.2 slot supports 2 x M.2 slots (Key M)
4 x SATA 6Gb/s ports
USB 2 x USB 20Gbps connector (supports USB Type-C®)
2 x USB 5Gbps headers support 4 additional USB 5Gbps ports
3 x USB 2.0 headers support 6 additional USB 2.0 ports
Miscellaneous 1 x 6-pin ARGB Gen 2 header to support 2 x ARGB Gen 2 headers
2 x Addressable Gen 2 header
1 x Alteration PCIe mode switch
2 x BCLK button
1 x BIOS Switch
1 x FlexKey button
1 x Front Panel Audio header (F_AUDIO)
1 x LN2 Mode jumper
12 x Probe It Measurement Points
1 x Retry button
1 x RSVD header
1 x Safe Boot button
1 x Start button
1 x 10-1 pin System Panel header
1 x Thermal Sensor header

Special Features

Special Features ROG RYUJIN 360 Edition 20 All-in-one Liquid Cooling Kit
- Integrated CPU / VRM copper liquid cold plate
- Swivel dual 6.67" AMOLED LCD display with Vision Sync
Extreme OC Kit - FlexKey button
- LN2 Mode
- Probe It
- Retry button
- Safe boot button
- Start button
Extreme Engine Digi+ - 10K Black Metallic Capacitors
- Microfine Alloy Choke
ASUS Q-Design - M.2 Q-Latch
- M.2 Q-Release
- M.2 Q-Slide
- PCIe Q-Release Switch (with PCIe SafeSlot)
- Q-Antenna
- Q-Code
- Q-Connector
- Q-Dashboard
- Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
- Q-DIMM.2
ASUS Thermal Solution - M.2 heatsink backplate
- M.2 heatsink
- Metal backplate
- VRM heatsink design
- 3D VC M.2 Heatsink
- ROG Memory Q-Fan
ASUS EZ DIY - Backplate
- BIOS FlashBack™ button
- Clear CMOS button
- CPU Socket lever protector
- ProCool II
- Pre-mounted I/O shield
- SafeSlot
- Safe DIMM
Aura Sync - Addressable Gen 2 headers
Dual BIOS Dual BIOS
Front Panel USB 20Gbps with Quick Charge 4+ Support - Support: up to 60W fast charging and USB Wattage Watcher*
- Output: 5/9/15/20V max. 3A, PPS:3.3–21V max. 3A
- Compatible with PD3.0 and PPS
* To support 60W, please install the power cable to the 8-pin PCIe power connector or else only 27W will be supported.

Software Features

ROG Exclusive Software - ROG CPU-Z
- Dolby Atmos
- Info Hub with Display Sync-Up Mode
- LHDC-V5
- Internet Security (1-year full version)
ASUS Exclusive Software Armoury Crate
- Aura Creator
- Aura Sync
- Fan Xpert 4 (with AI Cooling II)
- GameFirst
- WiFi Q-Antenna
- MLO Wizard
ASUS Driver Hub - ASUS MB Manager
- ASUS AI Advisor
- AIDA64 Extreme (1 year full version)
- HWiNFO
- Turbo Vcore
- ASUS GlideX
- USB Wattage Watcher
Additional Software WinRAR (40 Days Free Trial)
Adobe Creative Cloud (Free Trial)
  UEFI BIOS
  Integrated WiFi Driver Support
  AI Overclocking Guide
  AI Cache Boost
  - ASUS Crash Free BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode
- ASUS My Hotkey
  FlexKey
Software Notes * For more software features, please visit the Asus support site or refer to www.asus.com/support for additional information.
** For detailed information on the supported models and restricted regions for this redemption offer, please refer to https://www.asus.com/content/asus-offers-adobe-creative-cloud/.

Accessories

AIO Cooler - ROG RYUJIN 360 EDITION 20 Integrated CPU / VRM copper liquid cold plate and radiator
Swivel dual 6.67" AMOLED LCD display
3 x 120mm Pre-connected Edition 20 Fans
1 x ROG RYUJIN 360 EDITION Screw Set
Cables 1 x 1-to-4 ARGB splitter cable
1 x 1-to-2 ARGB splitter cable
1 x 1-to-3 fan splitter cable
2 x ROG weave SATA 6G cable packages
ROG Hyper M.2 Card with Heatsink 1 x ROG Hyper M.2 with heatsink
1 x M.2 pad package for ROG Q-DIMM.2
2 x Thermal pad for ROG Hyper M.2 Card
ROG Q-DIMM.2 with Heatsink 1 x ROG DIMM.2 with heatsink
1 x M.2 pad package for ROG Q-DIMM.2
2 x Thermal pad for ROG Q-DIMM.2
Additional Cooling Kit 3 x Thermal pad for M.2 22110
1 x ROG Memory Q-Fan
Miscellaneous 1 x ASUS WiFi Q-Antenna
1 x Q-connector
1 x ROG stickers
1 x ROG Edition 20 Thank you card
3 x M.2 Q-Slide package
5 x M.2 backplate rubber packages
1 x backplate for ROG Edition 20 Nameplate
1 x backplate for ROG Edition 20 Photo Frame
2 x backplate holders
1 x ROG Luggage Tag
Documentation 1 x Quick start guide

Dimensions

Form Factor E-ATX Form Factor
12 inch x 10.9 inch (30.5 cm x 27.7 cm)
Backed by a 3 year ASUS warranty.

Customer reviews

Customer questions