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Black ATX motherboard with dark metallic heatsinks and a seated Ryzen CPU

ASUS

ASUS ROG Crosshair X870E Dark Hero AMD motherboard & Ryzen 7 9800X3D CPU Combo

SKU CH-92BA-ZZJYW

AM5 motherboard and Ryzen 7 9800X3D combo with DDR5 support to 9600 MT/s, five M.2 slots, dual USB4 and 10GbE LAN

  • CPU socketAM5
  • ChipsetAMD X870E
  • Form factorATX
  • Memory slot count4 × 288pin (DDR5)
  • Supported memorySupports up to 8600+MT/s(OC)/8200+MT/s(OC) with Ryzen 9000 S
  • Max supported RAM256 GB

Model ROG CROSSHAIR X870E DARK HERO

CPU +Ryzen 7 9800X3D

  • Ready for advanced AI workloads with X870E chipset and Ryzen 7 9800X3D CPU
  • 20 plus 2 plus 2 power stages at 110A each for stable overclocking
  • 3D VC M.2 heatsink cools one PCIe 5.0 slot directly
  • Dual USB4 Type-C ports at 40Gbps plus nine 10Gbps USB ports
  • Wi-Fi 802.11 be and Bluetooth 5.4 with 10Gbps and 5Gbps Ethernet

Combo purpose

This bundle pairs the ROG Crosshair X870E Dark Hero motherboard with a Ryzen 7 9800X3D processor for enthusiasts building a high-performance AM5 desktop. The board delivers four DDR5 slots, five M.2 sockets and dual USB4 ports, while the CPU brings 3D V-Cache technology to gaming and latency-sensitive workloads. The combination targets users who want maximum platform features without selecting parts separately.

DDR5 limits and PCIe 5.0 M.2

Memory can reach 8600 MT/s with Ryzen 9000 series chips, 9600 MT/s with Ryzen 8000 series and 8000 MT/s with Ryzen 7000 series, all figures requiring overclocking. The board supports up to 256 GB across dual-channel un-buffered modules with ECC capability. Two M.2 slots run at PCIe 5.0 x4 from the CPU, while three additional slots operate at PCIe 4.0; only one PCIe 5.0 slot receives the 3D vapor-chamber heatsink.

Upgrade path from older AM5 builds

Owners of Ryzen 7000 processors gain higher memory ceilings, dual 10 Gbps and 5 Gbps Ethernet, Wi-Fi 802.11 be and Bluetooth 5.4 by moving to this motherboard and a Ryzen 9000 series CPU. The jump is worthwhile when workloads need faster storage throughput, higher memory bandwidth or the AI-oriented features such as AI Cache Boost and AI Overclocking. Builders staying on Ryzen 7000 still benefit from the enhanced power delivery and thermal design.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $1,408.99
Pricier than about 92% of the 1,906 comparable items (median $224.49).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameASUS
Model nameROG CROSSHAIR X870E DARK HERO+R7 9800 × 3D
Processor
CPU socketAM5
ChipsetAMD X870E
Memory
Memory slot count4 × 288pin (DDR5)
Supported memorySupports 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
Max supported RAM256 GB
Memory channelsDual Channel
ECC supportYes
BufferingUn-buffered
Storage
SATA ports4 x SATA 6Gb/s
M.2 slotsAMD 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 a
SATA and RAID supportAMD RAIDXpert2 Technology
Ryzen 9000 & 8000 & 7000 Series Processors: RAID 0/1/5/10
Audio & video
Sound channelsROG 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 au
Connectivity
Maximum network speed10 Gbit/s + 5 Gbit/s
Wi-Fi standardWi-Fi 802.11 be
Bluetooth support5.4
Ports & slots
Onboard USB headers2 x USB 20 Gbit/s connectors (support USB Type-C)
2 x USB 5 Gbit/s headers support 4 additional USB 5 Gbit/s ports
3 x USB 2.0 headers support 6 additional USB 2.0 ports
Power
Power connectors1 × 24-pin Main Power connector
2 × 8-pin +12 V CPU Power connector
1 × 8-pin PCIe Power connector
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
More details
BIOS64 MB (512Mb)
Flash ROM, UEFI AMI BIOS

Other versions of this model

5 more in the same range

Questions about this item

Should I pick the combo with the Ryzen 7 9800X3D or look for a board-only option?

The listing is a fixed motherboard-and-CPU bundle; the Ryzen 7 9800X3D is already included, so there is no separate board-only SKU to choose.

What does the 9600 MT/s memory figure mean once the system is built?

That is the maximum overclocked DDR5 speed supported with Ryzen 8000-series chips; the included 9800X3D tops out at 8600 MT/s OC, so real-world ceiling depends on the CPU installed.

How fast are the USB4 ports and what do they limit in practice?

Each USB4 Type-C port delivers 40 Gbps bandwidth, capping external storage, docks and displays at that throughput.

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