How much memory can the ASUS ROG Crosshair X870E Dark Hero motherboard support?

The ASUS ROG Crosshair X870E Dark Hero motherboard supports a maximum memory of 256GB with 4 memory slots for DDR5 RAM.

What types of processors are compatible with the ASUS ROG Crosshair X870E Dark Hero motherboard?

The ASUS ROG Crosshair X870E Dark Hero motherboard is compatible with AMD Ryzen 7000 Series, Ryzen 8000 Series, and Ryzen 9000 Series desktop processors.

$524^.99

$699.99

Limit 5 per customer.

Add to PC build list

Sold by Newegg

Shipped by Newegg

Price alert

Add to wish list

Main image of ASUS ROG Crosshair X870E Dark Hero ATX motherboard, 20+2+2 power stages, DDR5 slots, PCIe 5.0, five M.2 slots, 3D VC M.2 heatsink, USB4, AI Cache Boost, PCIe Slot Q-Release, AIO Q-Connector

Alt view image 2 of 13 - ASUS ROG Crosshair X870E Dark Hero ATX motherboard, 20+2+2 power stages, DDR5 slots, PCIe 5.0, five M.2 slots, 3D VC M.2 heatsink, USB4, AI Cache Boost, PCIe Slot Q-Release, AIO Q-Connector

Alt view image 3 of 13 - ASUS ROG Crosshair X870E Dark Hero ATX motherboard, 20+2+2 power stages, DDR5 slots, PCIe 5.0, five M.2 slots, 3D VC M.2 heatsink, USB4, AI Cache Boost, PCIe Slot Q-Release, AIO Q-Connector

Alt view image 4 of 13 - ASUS ROG Crosshair X870E Dark Hero ATX motherboard, 20+2+2 power stages, DDR5 slots, PCIe 5.0, five M.2 slots, 3D VC M.2 heatsink, USB4, AI Cache Boost, PCIe Slot Q-Release, AIO Q-Connector

Alt view image 5 of 13 - ASUS ROG Crosshair X870E Dark Hero ATX motherboard, 20+2+2 power stages, DDR5 slots, PCIe 5.0, five M.2 slots, 3D VC M.2 heatsink, USB4, AI Cache Boost, PCIe Slot Q-Release, AIO Q-Connector

Alt view image 6 of 13 - ASUS ROG Crosshair X870E Dark Hero ATX motherboard, 20+2+2 power stages, DDR5 slots, PCIe 5.0, five M.2 slots, 3D VC M.2 heatsink, USB4, AI Cache Boost, PCIe Slot Q-Release, AIO Q-Connector

Alt view image 7 of 13 - ASUS ROG Crosshair X870E Dark Hero ATX motherboard, 20+2+2 power stages, DDR5 slots, PCIe 5.0, five M.2 slots, 3D VC M.2 heatsink, USB4, AI Cache Boost, PCIe Slot Q-Release, AIO Q-Connector

Alt view image 8 of 13 - ASUS ROG Crosshair X870E Dark Hero ATX motherboard, 20+2+2 power stages, DDR5 slots, PCIe 5.0, five M.2 slots, 3D VC M.2 heatsink, USB4, AI Cache Boost, PCIe Slot Q-Release, AIO Q-Connector

Alt view image 9 of 13 - ASUS ROG Crosshair X870E Dark Hero ATX motherboard, 20+2+2 power stages, DDR5 slots, PCIe 5.0, five M.2 slots, 3D VC M.2 heatsink, USB4, AI Cache Boost, PCIe Slot Q-Release, AIO Q-Connector

Alt view image 10 of 13 - ASUS ROG Crosshair X870E Dark Hero ATX motherboard, 20+2+2 power stages, DDR5 slots, PCIe 5.0, five M.2 slots, 3D VC M.2 heatsink, USB4, AI Cache Boost, PCIe Slot Q-Release, AIO Q-Connector

Alt view image 11 of 13 - ASUS ROG Crosshair X870E Dark Hero ATX motherboard, 20+2+2 power stages, DDR5 slots, PCIe 5.0, five M.2 slots, 3D VC M.2 heatsink, USB4, AI Cache Boost, PCIe Slot Q-Release, AIO Q-Connector

Alt view image 12 of 13 - ASUS ROG Crosshair X870E Dark Hero ATX motherboard, 20+2+2 power stages, DDR5 slots, PCIe 5.0, five M.2 slots, 3D VC M.2 heatsink, USB4, AI Cache Boost, PCIe Slot Q-Release, AIO Q-Connector

Alt view image 13 of 13 - ASUS ROG Crosshair X870E Dark Hero ATX motherboard, 20+2+2 power stages, DDR5 slots, PCIe 5.0, five M.2 slots, 3D VC M.2 heatsink, USB4, AI Cache Boost, PCIe Slot Q-Release, AIO Q-Connector

Images from RETAIL item, box contents may vary.

Shop All ASUS Products

ASUS ROG Crosshair X870E Dark Hero ATX motherboard, 20+2+2 power stages, DDR5 slots, PCIe 5.0, five M.2 slots, 3D VC M.2 heatsink, USB4, AI Cache Boost, PCIe Slot Q-Release, AIO Q-Connector

OPEN BOX

Ready for Advanced AI PC: Designed for the future of AI computing, with the power and connectivity needed for demanding AI applications
AMD AM5 Socket: Ready for AMD Ryzen 9000 & 8000 & 7000 Series Desktop Processors
Intelligent Control: ASUS-exclusive AI Cache Boost, ASUS AI Advisor, AI Overclocking, AI Cooling II, AI Networking II, and AEMP to simplify setup and improve performance
ROG Overclocking Technologies: Dynamic OC Switcher, Core Flex, Asynchronous Clock and PBO Enhancement
Robust Power Solution: 20(110A)+2(110A)+2 power stages with ProCool II power connectors, MicroFine alloy chokes and premium metallic capacitors
Optimized Thermal Design: 3D VC M.2 heatsink for one PCIe 5.0 M.2 slot, Massive heatsinks integrated with the I/O cover, joined by an L-shaped heatpipe and connected to the power stages with high-conductivity thermal pads
Latest M.2 Support: Two onboard PCIe 5.0 M.2 slots and three PCIe 4.0 M.2 slots, all with substantial cooling solutions
Abundant C

🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available

The Open Box Product Disclaimer applies to this product. Please note that this product is non-returnable and non-refundable.

Overview

Specs

Any questions? Our AI beta will help you find out quickly.

Try me now

Model
Brand	ASUS
Model	ROG CROSSHAIR X870E DARK HERO

Supported CPU
CPU Socket Type	AM5
CPU Type	Ryzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series

Chipsets
Chipset	AMD X870E

Memory
Number of Memory Slots	4x288pin (DDR5)
Memory Standard	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
Maximum Memory Supported	256GB
Channel Supported	Dual Channel
ECC Supported	Yes
Buffer Supported	Un-buffered

Expansion Slots
PCI Express 5.0 x16	AMD Ryzen 9000 & 7000 Series Desktop Processors 2 x PCIe 5.0 x16 slots (supports x16 or x8/x8 modes) *When both PCIEX16_1 and PCIEX16_2 are in use, they will each run in x8 mode. AMD Ryzen 8700 & 8600 & 8400 Series Desktop Processors 2 x PCIe 4.0 x16 slots (Total bandwidth for x8) AMD Ryzen 8500 & 8300 Series Desktop Processors 2 x PCIe 4.0 x16 slots (Total bandwidth for x4)

Storage Devices
Serial ATA (SATA)	4 x SATA 6Gb/s
M.2	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)** AMD Ryzen 8000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) M.2_2 slot (Key M), type 2242/2260/2280 (Not supports) AMD X870E Chipset 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 2230 (supports PCIe 4.0 x2 mode) When both PCIEX16_1 and PCIEX16_2 are in use, they will each run in x8 mode. * USB 40Gbps Type-C ports on the back panel and M.2_2 slot share PCIe 5.0 x4 bandwidth. Both run at PCIe 5.0 x2 when a device is installed in the M2_2 slot. You can switch M2_2 to PCIe 5.0 x4 in the BIOS, but this will disable the USB 40Gbps Type-C ports.
SATA RAID	AMD RAIDXpert2 Technology Ryzen 9000 & 8000 & 7000 Series Processors: RAID 0/1/5/10

Onboard Audio
Audio Channels	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 - Gold-plated audio jacks - Rear optical S/PDIF out port - Premium audio capacitors * 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.

Onboard LAN
Max LAN Speed	10Gbps + 5Gbps
Wireless LAN	Wi-Fi 802.11 be
Bluetooth	Bluetooth 5.4

Rear Panel Ports
Back I/O Ports	2 x USB4 (40Gbps) ports (2 x USB Type-C) 9 x USB 10Gbps connector (6 x Type-A + 3 x USB Type-C) 1 x HDMI port 1 x Wi-Fi module 1 x Realtek 10Gb Ethernet port 1 x Realtek 5Gb Ethernet port 2 x Gold-plated audio jacks 1 x Optical S/PDIF out port 1 x BIOS FlashBack button 1 x Clear CMOS button

Internal I/O Connectors
Onboard USB	2 x USB 20Gbps connectors (support 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
Other Connectors	Fan and Cooling Related 1 x 4-pin CPU Fan header 1 x 4-pin CPU OPT Fan header 1 x 4-pin AIO Pump header 4 x 4-pin Chassis Fan headers 1 x W_PUMP+ header 1 x AIO Q-Connector Storage Related 5 x M.2 slots (Key M) 4 x SATA 6Gb/s ports Miscellaneous 3 x Addressable Gen2 headers 1 x Alteration PCIe mode switch 1 x FlexKey button 1 x Front Panel Audio header (F_AUDIO) 1 x ReTry button 1 x Start button 1 x 10-1 pin System Panel header 1 x Thermal Sensor header 1 x LN2 Mode jumper

Physical Spec
Form Factor	ATX
Dimensions (W x L)	12.0" x 9.6"
Power Pin	1 x 24-pin Main Power connector 2 x 8-pin +12V CPU Power connector 1 x 8-pin PCIe Power connector

Software Feature
BIOS Feature	64 MB (512Mb) Flash ROM, UEFI AMI BIOS
Software	ROG Exclusive Software - ROG CPU-Z - Dolby Atmos - Internet Security (1-year full version) - Polymo Lighting II ASUS Exclusive Software Armoury Crate - Aura Creator - Aura Sync - Fan Xpert 4 (with AI Cooling II) - GameFirst - WiFi Q-Antenna - MLO Wizard ASUS DriverHub - ASUS MB Manager - HWiNFO - ASUS AI Advisor - AIDA64 Extreme (1 year full version) ASUS GlideX - USB Wattage Watcher TurboV Core WinRAR (40 Days Free Trial) Adobe Creative Cloud (Free Trial) UEFI BIOS AI Overclocking Guide AI Cache Boost ASUS EZ DIY - ASUS CrashFree BIOS 3 - ASUS EZ Flash 3 - ASUS UEFI BIOS EZ Mode - ASUS MyHotkey FlexKey

Features
Features	Extreme OC Kit - FlexKey button - LN2 Mode - ReTry 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 Slot Q-Release - Q-Antenna - Q-Code - Q-Connector - Q-Dashboard - Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green]) - Q-Slot ASUS Thermal Solution - Fan bracket - 3D VC M.2 Heatsink - M.2 heatsink backplate - M.2 heatsink - VRM heatsink design - Metal backplate ASUS EZ DIY - Backplate - BIOS FlashBack button - Clear CMOS button - ProCool II - Pre-mounted I/O shield - SafeSlot - SafeDIMM Aura Sync - Addressable Gen 2 header(s) 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 6-pin PCIe power connector or else only 27W will be supported.

Packaging
Package Contents	Cables 4 x SATA 6Gb/s cables Additional Cooling Kit 1 x DDR5 fan holder 1 x ROG assistant fan (60mm) 1 x Thermal pad for M.2 22110 Miscellaneous 1 x ASUS WiFi Q-Antenna 1 x Q-connector 1 x M.2 Q-Latch package 3 x M.2 Q-Slide package 5 x M.2 rubber package 1 x ROG stickers 1 x ROG thank you card 1 x ROG Bottle Opener Documentation 1 x Quick start guide

Additional Information
First Listed on Newegg	February 21, 2026

Warranty & Returns

Warranty, Returns, And Additional Information

Return Policies

Return for refund within: This item is Final Sale
Return for replacement within: This item is Final Sale
This item is covered by Newegg.com's Final Sale Return Policy.
Read full return policy for details.

Manufacturer Contact Info

Open Box Product Disclaimer

View full Open Box Product Disclaimer

Item#: N82E16813119770R