ASUS ROG CROSSHAIR X870E DARK HERO, AMD X870E, Socket AM5, ATX
Overview
Clad in a sleek, understated black design, the ROG Crosshair X870E Dark Hero delivers refined performance for high-end builds. It features a robust 20+2+2 power stage design, support for high-speed DDR5 memory, and the latest PCIe® 5.0 connectivity. Five onboard M.2 SSD slots with heatsinks — including a 3D VC M.2 heatsink for advanced thermal performance — are complemented by 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.
Power Design & Performance
20+2+2 Power Stage Design
A robust multi-phase power delivery system ensures stable, efficient power for the most demanding AMD Ryzen processors, supporting high-core-count CPUs and extreme overclocking scenarios.
Memory & Storage
DDR5 — Up to 256 GB
Four DIMM slots support DDR5-SDRAM in dual-channel configuration, with ECC & Non-ECC unbuffered memory support and a maximum capacity of 256 GB.
Five M.2 Slots with Heatsinks
Five M.2 (M-key) slots provide exceptional storage flexibility: M.2_1 supports up to 22110mm via PCIe 5.0, M.2_2 supports up to 2280mm via PCIe 5.0, M.2_3 and M.2_4 support up to 2280mm via PCIe 4.0, and M.2_5 supports PCIe 4.0. All slots include heatsinks; M.2_1 features a 3D Vapour Chamber heatsink for superior thermal performance. Additionally, 4× SATA III connectors support up to 9 storage drives in total, with RAID 0, 1, 5, and 10 support.
Connectivity
USB4® Gen 3×2 (40 Gbps) — 2 Ports
Two rear USB4 Type-C ports each deliver up to 40 Gbps bi-directional bandwidth for the latest ultra-fast devices and external displays.
Dual Ethernet — 5GbE + 10GbE
Two rear RJ-45 ports: one Realtek 10 Gigabit Ethernet and one 5 Gigabit Ethernet, providing exceptional wired networking performance for demanding workloads and gaming.
Wi-Fi 7 (802.11be) + Bluetooth 5.4
MediaTek MT7927 wireless controller delivers Wi-Fi 7 for the fastest wireless speeds, paired with Bluetooth 5.4. Wi-Fi antenna included.
Rear I/O Summary: 6× USB 3.2 Gen 2 Type-A (10 Gbps), 3× USB 3.2 Gen 2 Type-C (10 Gbps), 2× USB4 Gen 3×2 Type-C (40 Gbps), 2× RJ-45 (5GbE + 10GbE), 1× HDMI, S/PDIF out, Mic-in, Wi-Fi antenna jack.
Expansion Slots
2× PCIe 5.0 x16 slots (primary GPU and secondary), 2× PCIe 4.0 x16 slots, and 5× M.2 (M-key) slots. No parallel processing (multi-GPU) support. No onboard graphics.
Audio
Realtek ALC4082 codec delivering 7.1-channel surround sound. Front panel audio header, S/PDIF out port, and Mic-in on the rear I/O.
Design & Aesthetics
All-black PCB and heatsink design with Polymo Lighting II — ASUS's next-generation addressable lighting system. ATX form factor (305 × 244 mm). Supports Windows 11.
Internal Headers
3× USB 2.0 internal connectors, 2× USB 3.2 Gen 1 connectors, 2× USB 3.2 Gen 2×2 (20 Gbps) connectors, 4× SATA III, 1× CPU fan, 4× chassis fan, ATX 24-pin, EPS 8-pin, 12V power, front panel audio, front panel connector, TPM header, 1× temperature sensor header.
What's Included
ASUS ROG Crosshair X870E Dark Hero motherboard, SATA cables, Wi-Fi antenna, screws, documentation.
Technical Specifications
Processor
| Processor Manufacturer | AMD |
| Processor Socket | Socket AM5 |
| Compatible Processor Series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| Supported Processor Sockets | Socket AM5 |
Chipset & Form Factor
| Motherboard Chipset | AMD X870E |
| Chipset Family | AMD |
| Form Factor | ATX |
| Product Colour | Black |
| OS Support | Windows 11 |
Memory
| Supported Memory Types | DDR5-SDRAM |
| Memory Slots | 4× DIMM |
| Memory Channels | Dual-channel |
| Maximum Memory | 256 GB |
| ECC Compatibility | ECC & Non-ECC |
| Unbuffered Memory | Yes |
Storage Controllers
| Supported Drive Types | HDD & SSD |
| Storage Interfaces | M.2, SATA III |
| Total Storage Drives Supported | 9 |
| HDDs Supported | 4 |
| RAID Support | Yes — 0, 1, 5, 10 |
Expansion Slots
| PCIe 5.0 x16 Slots | 2 |
| PCIe 4.0 x16 Slots | 2 |
| M.2 (M) Slots | 5 |
| M.2_1 | PCIe 5.0, up to 22110 mm (3D VC heatsink) |
| M.2_2 | PCIe 5.0, up to 2280 mm |
| M.2_3 | PCIe 4.0, up to 2280 mm |
| M.2_4 | PCIe 4.0, up to 2280 mm |
| M.2_5 | PCIe 4.0 |
Network
| Ethernet LAN | Yes (dual port) |
| Ethernet Interface Type | 5 Gigabit Ethernet + 10 Gigabit Ethernet |
| Ethernet Ports (RJ-45) | 2 |
| Wi-Fi | Yes |
| Wi-Fi Standard | Wi-Fi 7 (802.11be) |
| WLAN Controller | MediaTek MT7927 |
| Bluetooth | Yes — version 5.4 |
Rear Panel I/O Ports
| USB 3.2 Gen 2 Type-A (10 Gbps) | 6 |
| USB 3.2 Gen 2 Type-C (10 Gbps) | 3 |
| USB4 Gen 3×2 Type-C (40 Gbps) | 2 |
| HDMI | 1 |
| Ethernet (RJ-45) | 2 (5GbE + 10GbE) |
| S/PDIF Out | Yes |
| Microphone In | Yes |
| Wi-Fi Antenna Jack | 1 |
Internal I/O Headers
| USB 2.0 Connectors | 3 |
| USB 3.2 Gen 1 Connectors | 2 |
| USB 3.2 Gen 2×2 Connectors (20 Gbps) | 2 |
| SATA III Connectors | 4 |
| CPU Fan Connector | Yes |
| Chassis Fan Connectors | 4 |
| ATX Power Connector (24-pin) | Yes |
| EPS Power Connector (8-pin) | Yes |
| 12V Power Connector | Yes |
| Front Panel Audio Connector | Yes |
| Front Panel Connector | Yes |
| Temperature Sensor Header | 1 |
Audio
| Audio Chip | Realtek ALC4082 |
| Audio Output Channels | 7.1 Channels |
BIOS
| BIOS Type | UEFI AMI |
| BIOS Memory Size | 512 Mbit |
Physical
| Width | 305 mm |
| Depth | 244 mm |
Packaging
| Package Width | 308 mm |
| Package Depth | 367 mm |
| Package Height | 110 mm |
| Package Weight | 4.43 kg |
| Cables Included | SATA |
| Antenna Included | Yes |
| Screws Included | Yes |