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ATX motherboard in dark finish with large CPU cooler and prominent ROG branding

ASUS

ASUS ROG CROSSHAIR X870E HERO + Ryzen 9 9900X3D AMD motherboard

SKU CH-E6TM-J2V69

AM5 motherboard and Ryzen 9 9900X3D combo with 18+2+2 power stages, DDR5 to 8200 MT/s, three PCIe 5.0 M.2 slots, Wi-Fi 7, dual 2.5Gb and 5Gb Ethernet, USB4 and 7.1 audio

  • CPU socketAM5
  • ChipsetAMD X870E
  • Form factorATX
  • Memory slot count4 × 288pin (DDR5)
  • Max supported RAM256 GB
  • Memory channelsDual Channel

Model ROG CROSSHAIR X870E HERO

CPU +Ryzen 9 9900X3D

  • Ready for advanced AI workloads with high-speed connectivity
  • 18+2+2 110 A power stages deliver stable CPU performance
  • DDR5 up to 8600 MT/s OC supported on Ryzen 8000 series
  • Five M.2 slots including three PCIe 5.0 x4 for fast storage
  • Wi-Fi 7 and Bluetooth 5.4 plus 5 Gbps and 2.5 Gbps Ethernet

ROG Crosshair X870E Hero AM5 combo

This bundle pairs the ROG Crosshair X870E Hero motherboard with the Ryzen 9 9900X3D processor on the AM5 socket. It targets enthusiasts building an advanced AI PC or high-end workstation who want a pre-validated CPU and board combination. The platform supports Ryzen 9000, 8000 and 7000 series processors for future upgrade flexibility.

256 GB DDR5 capacity with 8200 MT/s headroom

Four 288-pin slots accept up to 256 GB of dual-channel DDR5, running at 8200+ MT/s with Ryzen 9000, 8600+ MT/s with Ryzen 8000 and 8000+ MT/s with Ryzen 7000. ECC un-buffered modules are supported for data integrity. The 18+2+2 110 A power stages deliver clean current for sustained overclocking, while PCIe 5.0 x16 slots operate at x16 or x8/x8 when both are populated.

Three PCIe 5.0 M.2 slots plus Wi-Fi 7 and USB4

Three M.2 slots (2242, 2260, 2280) run at PCIe 5.0 x4 with substantial heatsinks, while two additional slots run at PCIe 4.0. Rear I/O provides two USB4 40 Gbps Type-C ports, eight USB 10 Gbps ports, HDMI, dual Ethernet at 5 Gbps and 2.5 Gbps, Wi-Fi 7 with Q-Antenna, Bluetooth 5.4 and SupremeFX 7.1 audio with ALC4082 codec.

How it compares

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

Price $1,461.99
Pricier than about 93% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model nameROG CROSSHAIR X870E HERO +(R9 9900 × 3D)
Part numberROG CROSSHAIR X870E HERO +(R9 9900 × 3D)
Processor
CPU socketAM5
ChipsetAMD X870E
Memory
Memory slot count4 × 288pin (DDR5)
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 (supports PCIe 5.0 x4 mode)
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)
M.2_3 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)
M.2_3 slot (Key M), type 2242/2260/2280 (Not supports)
AMD X870E Chipset
M.2_4 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)
M.2_5 slot (Key M), type 2280 (su
Audio & video
Audio chipROG 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
* The LINE OUT port on the rear panel does not support spatial audio. If you wish to use spatial a
Sound channels7.1 Channels
Connectivity
Maximum network speed5 Gbit/s + 2.5 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
2 x USB 2.0 headers support 4 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
Compatibility
Windows 11 supportSupported
More details
BIOS256Mb Flash ROM, UEFI AMI BIOS

Other versions of this model

5 more in the same range

Questions about this item

Will my existing DDR5 modules rated at 8000 MT/s reach that speed with the Ryzen 9 9900X3D on this board?

The board supports DDR5 up to 8000+ MT/s (OC) with Ryzen 7000 series processors, so 8000 MT/s modules should reach their rated XMP or EXPO profile.

How do I confirm the 18+2+2 power stages and Wi-Fi 7 are active after first boot?

Enter the UEFI and check the AI Overclocking and AI Networking sections; the dashboard shows power-stage status and the Wi-Fi 7 (802.11be) link rate when connected.

What cooling parts come in the box for the five M.2 slots and do I need extra heatsinks?

All five onboard M.2 slots — three PCIe 5.0 and two PCIe 4.0 — include substantial heatsinks pre-installed on the motherboard, so no additional M.2 cooling is required.

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