ROG CROSSHAIR X870E DARK HERO
Clad in a sleek, understated black design, the ROG Crosshair X870E Dark Hero delivers refined performance for high-end builds, featuring a robust 20+2+2 power stage design, support for high-speed DDR5 memory, and the latest PCIe® 5.0 connectivity. It offers five onboard M.2 SSD slots with heatsinks, including a 3D VC M.2 heatsink for advanced thermal performance, along with Realtek 10G Ethernet and USB4® ports for next-generation connectivity. ASUS-exclusive AI technologies and Polymo Lighting II complete the platform, balancing intelligent tuning with a clean, premium aesthetic.
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 optimizes CPU cache and memory pathways to deliver up to 29% faster local LLM performance with high-speed memory tuning.
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
Model
ROG CROSSHAIR X870E DARK HERO
News and Updates
Socket AM5
CPU
AMD Socket AM5 for AMD Ryzen 9000 and 8000 and 7000 Series Desktop Processors
Refer to https://www.asus.com/support/download-center/ 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
NitroPath DRAM Technology
ASUS Enhanced Memory Profile (AEMP)
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-center/. 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 specialized 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 perormance 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
1 x HDMI port
2 x USB4 (40Gbps) ports support USB Type-C display outputs
Available only on processors featuring integrated graphics. Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications.
Supports 4K at 60Hz as specified in HDMI 2.1.
Supports max. 4K at 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.
Expansion Slots
AMD Ryzen 9000 and 7000 Series Desktop Processors
2 x PCIe 5.0 x16 slots (supports x16 or x8/x8 modes)
AMD Ryzen 8700 and 8600 and 8400 Series Desktop Processors
2 x PCIe 4.0 x16 slots (only supports PCIEx16(G5)_1 and total bandwidth for x8, PCIEx16(G5)_2 will run at PCIe 3.0 x4)
AMD Ryzen 8500 and 8300 Series Desktop Processors
2 x PCIe 4.0 x16 slots (only supports PCIEx16(G5)_1 and total bandwidth for x4, PCIEx16(G5)_2 will run at PCIe 3.0 x4)
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
Supports 5 x M.2 slots and 4 x SATA 6Gb/s ports
AMD Ryzen 9000 and 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 8700 and 8600 and 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 and 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
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)
2 x SATA 6Gb/s ports
ASMedia ASM1162 Controller
2 x SATA 6Gb/s ports
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.
RAID Support
AMD RAIDXpert2 Technology
Ryzen 9000 and 8000 and 7000 Series Processors: RAID 0/1/5/10
SATA ports from ASM1162 cannot support RAID
Ethernet
1 x Realtek 10Gb Ethernet
1 x Realtek 5Gb Ethernet
ASUS LANGuard
Wireless and 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 (suppport 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 vendors 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 manufacturers website for the latest specifications."
USB
Rear USB (Total 11 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)
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:3.321V max. 3A
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
- 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.
Back Panel 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
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
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)
4 x SATA 6Gb/s ports
USB
2 x USB 20Gbps connectors (support USB Type-C )
2 x