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Dark Hero ATX motherboard with Ryzen 9 9950X3D CPU installed, black finish, silver heatsinks, I/O shield integrated

ASUS

ASUS ROG Crosshair X870E Dark Hero AMD motherboard & Ryzen 9 9950X3D CPU Combo

SKU CH-XYDM-5A6SE

AM5 motherboard and Ryzen 9 9950X3D CPU combo with DDR5 support up to 9600 MT/s, dual USB4 40Gbps ports, five M.2 slots including two PCIe 5.0, and 10Gbps plus 5Gbps 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 9 950X3D

  • AM5 socket ready for Ryzen 9000 and 7000 series processors
  • 20 power stages rated 110A with ProCool II connectors for stable delivery
  • 3D vapor-chamber M.2 heatsink cools one PCIe 5.0 slot
  • Dual USB4 Type-C ports at 40Gbps plus nine 10Gbps ports
  • ROG SupremeFX 7.1 audio with ALC4082 codec and impedance sensing

ROG Crosshair X870E Dark Hero AM5 Combo

This combo pairs the ROG Crosshair X870E Dark Hero motherboard with a Ryzen 9 9950X3D processor on the AM5 socket. It targets enthusiasts building high-end workstations or gaming rigs that demand maximum CPU performance and extensive platform connectivity. The bundle simplifies procurement by matching a flagship CPU with a feature-complete board.

Suits AI workloads and multi-GPU builds.

The board delivers dual 10Gbps and 5Gbps Ethernet, Wi-Fi 802.11 be, Bluetooth 5.4, and dual USB4 40Gbps ports for advanced AI PC workflows. Five M.2 slots with substantial cooling support large storage arrays. Builders needing only mainstream gaming performance or fewer expansion lanes can save money with an alternative chipset.

256GB DDR5 capacity ceiling across four slots

The motherboard supports up to 256GB of un-buffered DDR5 across four 288-pin slots in dual-channel mode with ECC capability. Supported speeds reach 8600+MT/s OC with Ryzen 9000 series and 9600+MT/s OC with Ryzen 8000 series. This memory ceiling decides whether the platform fits your dataset or virtualisation requirements.

How it compares

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

Price $1,572.99
Pricier than about 93% 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 +(R9 9950 × 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

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Questions about this item

How do I install the 3D VC M.2 heatsink on the M.2_1 slot, and what step is often missed?

Remove the protective film from the thermal pad, place the heatsink over the drive, then secure it with the captive screws; the step people skip is peeling that film, which leaves an air gap and defeats the cooling.

What maintenance will the ROG SupremeFX ALC4082 audio codec and its impedance-sensing jacks need over time?

No scheduled maintenance is required; keep the rear and front-panel jacks free of dust and oxidation, and update the Realtek driver through Armoury Crate when a new version appears.

Which thermal limit appears first on the VRM during a sustained all-core load on the Ryzen 9 9950X3D?

The 20+2+2 110A power stages and MicroFine alloy chokes are cooled by the integrated I/O heatsink and L-shaped heatpipe; under prolonged full-load the VRM temperature will hit its throttle point before the CPU package does.

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