ASUS ROG CROSSHAIR X870E DARK HERO Motherboard | AMD X870E | AM5 | DDR5 256GB | PCIe 5.0 | 5x M.2 | 10GbE + 5GbE | Wi-Fi 7 | USB4 | 60W USB-C PD | ATX

The ASUS ROG CROSSHAIR X870E DARK HERO is a high-end AMD AM5 motherboard designed for enthusiast gaming systems, extreme performance builds, and advanced overclocking configurations. Powered by the AMD X870E chipset, it supports AMD Ryzen™ 9000, 8000, and 7000 Series desktop processors and combines high-speed DDR5 memory, PCIe 5.0 connectivity, five M.2 slots, 10 Gb Ethernet, 5 Gb Ethernet, Wi-Fi 7, USB4, and advanced ROG tuning technologies.

Its understated black design delivers a clean, premium appearance, complemented by Polymo Lighting II and an extensive collection of ROG-exclusive performance and cooling features.

Key Features

AMD AM5 & X870E Platform

The motherboard uses AMD Socket AM5 and supports AMD Ryzen™ 9000, 8000, and 7000 Series desktop processors. The AMD X870E chipset provides a high-performance foundation for gaming, enthusiast computing, content creation, and overclocking.

High-Speed DDR5 Memory

Four DIMM slots support up to 256 GB of DDR5 memory with extremely high overclocked memory speeds depending on the installed processor and memory configuration.

Supported technologies include:

• AMD EXPO™
• ASUS Enhanced Memory Profile (AEMP)
• DIMM Fit
• DIMM Fit Pro
• NitroPath DRAM Technology
• Dual-channel memory architecture
• ECC and non-ECC unbuffered DIMM
• On-Die ECC support on Non-ECC DDR5 memory

With supported Ryzen 9000 Series processors, memory speeds can reach up to 8600+ MT/s (OC) under specified configurations.

Dual PCIe 5.0 x16 Slots

With AMD Ryzen 9000 and 7000 Series processors, the board provides two PCIe 5.0 x16 slots supporting:

• x16
• x8/x8

The PCIe configuration can be adjusted through BIOS in supported scenarios.

With Ryzen 8000 Series processors, both slots operate according to the processor-specific PCIe limitations, while the second slot operates at PCIe 3.0 x4.

Five M.2 Slots

The motherboard provides five M.2 slots for high-speed NVMe storage.

Storage connectivity includes:

• 2 x CPU-connected M.2 slots
• 2 x chipset-connected M.2 PCIe 4.0 x4 slots
• 1 x M.2 2230 PCIe 4.0 x2 slot
• 4 x SATA 6Gb/s ports

With Ryzen 9000 and 7000 Series processors, the primary M.2 slots support PCIe 5.0 x4.

Advanced M.2 Cooling

The board features an advanced thermal solution, including a 3D VC M.2 heatsink, M.2 heatsink backplates, additional M.2 heatsinks, and an included ROG assistant fan.

The 3D VC M.2 heatsink is designed to improve thermal performance for high-speed NVMe storage.

10GbE + 5GbE Networking

High-speed wired connectivity is provided by:

• Realtek 10 Gb Ethernet
• Realtek 5 Gb Ethernet
• ASUS LANGuard

This combination provides flexible high-speed networking for gaming, large file transfers, NAS environments, workstation systems, and other bandwidth-intensive applications.

Wi-Fi 7 & Bluetooth 5.4

Integrated 2x2 Wi-Fi 7 supports the 2.4 GHz, 5 GHz, and 6 GHz frequency bands with up to 320 MHz bandwidth.

Bluetooth 5.4 with LE Audio support provides wireless connectivity for compatible devices.

USB4 40 Gbps

Two rear USB4 40 Gbps Type-C ports provide high-speed connectivity and support USB Type-C display output.

The motherboard also includes nine additional rear USB 10 Gbps ports:

• 6 x USB 10 Gbps Type-A
• 3 x USB 10 Gbps Type-C

Front USB-C with up to 60W Power Delivery

The internal USB 20Gbps Type-C connector supports up to 60W fast charging with USB Power Delivery and Quick Charge 4+.

Output supports:

• 5V / 9V / 15V / 20V up to 3A
• PPS: 3.3–21V up to 3A

To enable the full 60W output, the 8-pin PCIe power connector must be connected. Without it, the connector supports up to 27W.

ROG SupremeFX Audio

The integrated ROG SupremeFX 7.1-channel audio solution uses the Realtek ALC4082 codec and includes an ESS ES9219 QUAD DAC.

Audio features include:

• 120 dB SNR stereo playback
• 110 dB SNR recording input
• Up to 32-bit/384kHz front-panel playback
• Front and rear headphone impedance sensing
• Jack detection
• Multi-streaming
• Front-panel microphone jack retasking
• SupremeFX Shielding Technology
• Gold-plated audio jacks
• Premium audio capacitors
• Rear optical S/PDIF output

Extreme Overclocking Features

Designed for enthusiast tuning, the board includes an Extreme OC Kit with dedicated controls:

• FlexKey button
• LN2 Mode
• Retry button
• Start button
• Alteration of PCIe mode switch
• CPU overvoltage jumper

The Extreme Engine Digi+ design includes 10K black metallic capacitors and MicroFine alloy chokes.

Comprehensive Thermal Design

The cooling architecture includes:

• 3D VC M.2 heatsink
• M.2 heatsinks
• M.2 heatsink backplate
• VRM heatsink design
• Metal backplate
• DDR5 fan holder
• 60mm ROG assistant fan
• CPU fan header
• CPU OPT fan header
• AIO pump header
• W_PUMP+ header
• Four chassis fan headers
• Thermal sensor header
• AIO Q-Connector

ASUS Q-Design

Installation and maintenance are simplified through:

• M.2 Q-Latch
• M.2 Q-Release
• M.2 Q-Slide
• PCIe Slot Q-Release
• Q-Antenna
• Q-Code
• Q-Connector
• Q-Dashboard
• Q-LED
• Q-Slot

ASUS EZ DIY

Additional DIY features include:

• BIOS FlashBack button
• Clear CMOS button
• ProCool II
• Pre-mounted I/O shield
• SafeSlot
• SafeDIMM
• Metal backplate

Polymo Lighting II

Polymo Lighting II provides customizable motherboard lighting effects designed to complement high-end ROG gaming builds and the board's understated black aesthetic.

Technical Specifications

Specification	Details
Brand	ASUS
Series	ROG
Model	ROG CROSSHAIR X870E DARK HERO
Form Factor	ATX
Dimensions	30.5 x 24.4 cm
CPU Socket	AMD Socket AM5
CPU Support	AMD Ryzen 9000 / 8000 / 7000 Series
Chipset	AMD X870E
Memory Slots	4 x DIMM
Maximum Memory	256GB
Memory Type	DDR5
Memory Architecture	Dual Channel
Memory Speed	Up to 8600+ MT/s (OC) with supported configurations
Memory Support	ECC/Non-ECC Unbuffered DIMM
Memory Technologies	EXPO / AEMP / DIMM Fit / DIMM Fit Pro / NitroPath
PCIe 5.0	2 x PCIe 5.0 x16
M.2 Slots	5 x M.2
SATA	4 x SATA 6 Gb/s
Ethernet	Realtek 10GbE + Realtek 5GbE
Wireless	Wi-Fi 7 2x2
Wi-Fi Bands	2.4 GHz / 5GHz / 6GHz
Wi-Fi Bandwidth	Up to 320MHz
Bluetooth	5.4 with LE Audio
Rear USB	11 ports
USB4	2 x USB4 40 Gbps Type-C
Rear USB 10 Gbps	6 x Type-A + 3 x Type-C
Front USB	12 ports
Front USB-C	20 Gbps, up to 60 W PD/QC4+
Audio Codec	Realtek ALC4082
DAC	ESS ES9219 QUAD DAC
Audio	ROG SupremeFX 7.1 Surround Sound
HDMI	1 x HDMI 2.1
S/PDIF	1 x Optical S/PDIF
BIOS	64MB / 512MB Flash ROM, UEFI AMI BIOS
Operating System	Windows 11

Memory Specifications

Four DIMM slots support up to 256GB DDR5 memory.

Maximum specified overclocked memory speeds vary according to the installed Ryzen processor:

Processor	Maximum Specified Memory Speed
Ryzen 9000	Up to 8600+ MT/s (OC)
Ryzen 8000	Up to 9600+ MT/s (OC)
Ryzen 7000	Up to 8000+ MT/s (OC)

Actual achievable speeds depend on the processor, memory modules, BIOS configuration, number of DIMMs, and other system components.

Storage Specifications

The motherboard supports five M.2 slots and four SATA 6Gb/s ports.

M.2 Configuration

Ryzen 9000 / 7000 Series:

• M.2_1: PCIe 5.0 x4, 2242/2260/2280/22110
• M.2_2: PCIe 5.0 x4, 2242/2260/2280

Ryzen 8700 / 8600 / 8400 Series:

• M.2_1: PCIe 4.0 x4
• M.2_2: PCIe 4.0 x4

Ryzen 8500 / 8300 Series:

• M.2_1: PCIe 4.0 x4
• M.2_2: Not supported

AMD X870E Chipset:

• M.2_3: PCIe 4.0 x4
• M.2_4: PCIe 4.0 x4
• M.2_5: PCIe 4.0 x2, 2230

USB4 & M.2 Bandwidth Sharing

The USB4 40 Gbps ports and M.2_2 share available bandwidth.

When an M.2 device is installed in M.2_2, both the USB4 controller and M.2_2 can operate at up to x2 mode.

Through BIOS configuration, M.2_2 can operate at up to x4 mode; however, enabling this setting disables the USB4 40 Gbps ports.

RAID Support

AMD RAIDXpert2 supports:

• Ryzen 9000: RAID 0/1/5/10
• Ryzen 8000: RAID 0/1/5/10
• Ryzen 7000: RAID 0/1/5/10

The two SATA ports provided through the ASMedia ASM1162 controller do not support RAID.

Expansion Slots

Ryzen 9000 / 7000 Series

• 2 x PCIe 5.0 x16
• Supports x16 or x8/x8

When PCIEX16_1 operates at PCIe 5.0 x16, PCIEX16_2 operates at PCIe 3.0 x4 by default. The bandwidth can be altered in BIOS.

Ryzen 8700 / 8600 / 8400 Series

• 2 x PCIe 4.0 x16
• Primary slot total bandwidth x8
• The second slot operates at PCIe 3.0 x4

Ryzen 8500 / 8300 Series

• 2 x PCIe 4.0 x16
• Primary slot total bandwidth x4
• The second slot operates at PCIe 3.0 x4

PCIe operating modes vary according to the installed processor.

Rear I/O

• 2 x USB4 40 Gbps Type-C
• 6 x USB 10 Gbps Type-A
• 3 x USB 10 Gbps Type-C
• 1 x HDMI
• Wi-Fi module connectors
• 1 x Realtek 10 Gb Ethernet
• 1 x Realtek 5 Gb Ethernet
• 2 x gold-plated audio jacks
• 1 x Optical S/PDIF output
• 1 x BIOS FlashBack button
• 1 x Clear CMOS button

Internal Connectivity

Fan & Cooling

• 1 x CPU fan header
• 1 x CPU OPT Fan header
• 1 x AIO Pump header
• 4 x Chassis Fan headers
• 1 x W_PUMP+ header
• 1 x AIO Q-Connector
• 1 x Thermal Sensor header

Power

• 1 x 24-pin main power connector
• 2 x 8-pin +12V CPU power connectors
• 1 x 8-pin PCIe power connector

Storage

• 5 x M.2 Key M slots
• 4 x SATA 6Gb/s ports

USB

• 2 x USB 20Gbps Type-C connectors
• 2 x USB 5Gbps headers supporting 4 additional USB 5Gbps ports
• 3 x USB 2.0 headers supporting 6 additional USB 2.0 ports

Other Connectors

• 3 x Addressable Gen 2 headers
• PCIe mode switch
• FlexKey button
• Front Panel Audio header
• Retry button
• Start button
• System Panel header
• Thermal Sensor header
• LN2 Mode jumper

Audio Specifications

The ROG SupremeFX ALC4082 audio system provides:

• 7.1-channel surround sound
• 120 dB SNR stereo playback
• 110 dB SNR recording input
• Up to 32-bit/384kHz front-panel playback
• ESS ES9219 QUAD DAC
• SupremeFX Shielding Technology
• Gold-plated audio jacks
• Premium audio capacitors
• Optical S/PDIF output
• Headphone impedance sensing
• Jack detection
• Multi-streaming
• Front-panel microphone jack retasking

A chassis with an HD audio module in the front panel is required for 7.1-channel surround sound output.

ASUS Software & Utilities

The motherboard supports a comprehensive suite of ASUS and ROG software:

• ROG CPU-Z
• Armoury Crate
• Aura Creator
• Aura Sync
• Fan Xpert 4 with AI Cooling II
• GameFirst
• ASUS DriverHub
• ASUS MB Manager
• HWiNFO
• ASUS AI Advisor
• ASUS GlideX
• USB Wattage Watcher
• TurboV Core
• MLO Wizard
• ProArt-compatible creative ecosystem features
• AI Overclocking Guide
• ASUS CrashFree BIOS 3
• ASUS EZ Flash 3
• ASUS UEFI BIOS EZ Mode
• ASUS MyHotkey
• Integrated Wi-Fi Driver Support
• AI Cache Boost
• FlexKey

Additional software includes:

• AIDA64 Extreme—1-year full version
• Internet Security—1-year full version
• Dolby Atmos
• Adobe Creative Cloud — Free Trial
• WinRAR — 40-day Free Trial

BIOS & Manageability

The motherboard features a 64 MB / 512 MB Flash ROM with UEFI AMI BIOS.

BIOS and management features include:

• BIOS FlashBack
• Clear CMOS
• ASUS CrashFree BIOS 3
• ASUS EZ Flash 3
• ASUS UEFI BIOS EZ Mode
• AI Overclocking Guide
• AI Cache Boost
• Wake-on-LAN by PME

Accessories

Cables

• 4 x SATA 6Gb/s cables

Cooling Accessories

• 1 x DDR5 fan holder
• 1 x ROG assistant fan 60 mm
• 1 x Screw package for cooling kit
• 1 x Thermal pad for M.2 22110

Other Accessories

• ASUS Wi-Fi Q-Antenna
• Q-Connector
• 3 x M.2 Q-Slide packages
• 5 x M.2 backplate rubber packages
• ROG stickers
• ROG VIP card
• ROG Bottle Opener

Documentation

• Quick Start Guide

Ideal For

• High-end gaming PCs
• Enthusiast AM5 systems
• AMD Ryzen 9000 gaming builds
• Extreme overclocking systems
• High-speed DDR5 platforms
• PCIe 5.0 graphics configurations
• Multi-NVMe workstation builds
• High-speed 10GbE networking
• Content creation systems
• Professional workstations
• Advanced custom PC builds

Why Choose ROG CROSSHAIR X870E DARK HERO?

The ROG CROSSHAIR X870E DARK HERO combines the AMD X870E platform with extreme DDR5 memory support, dual PCIe 5.0 x16 connectivity, five M.2 slots, advanced M.2 cooling, 10GbE and 5GbE networking, Wi-Fi 7, USB4, 60W USB-C Power Delivery, SupremeFX audio, and dedicated ROG overclocking controls. It is built for enthusiasts who want extensive connectivity, tuning capability, and premium performance from an advanced AM5 platform.

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