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Dark Hero ATX motherboard with Ryzen 9950X CPU installed, black heatsinks and I/O shield

ASUS

ASUS ROG Crosshair X870E Dark Hero + Ryzen 9 9950X AMD motherboard CPU combo

SKU CH-34WH-7PYK2

AM5 motherboard and 16-core Ryzen 9 9950X CPU combo with DDR5 support up to 8600 MT/s, dual USB4, 10 Gb and 5 Gb Ethernet, Wi-Fi 802.11 be, Bluetooth 5.4.

  • CPU Socket TypeAM5
  • ChipsetAMD X870E
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardSupports up to 8600+MT/s(OC)/8200+MT/s(OC) with Ryzen 9000 S
  • Maximum Memory Supported256GB
  • Channel SupportedDual Channel

model ROG CROSSHAIR X870E DARK HERO

+CPU +Ryzen 9 9950X

  • AM5 socket supports Ryzen 9000, 8000 and 7000 series CPUs
  • DDR5 memory scales up to 9600 MT/s with 256 GB capacity
  • 3D vapor-chamber heatsink cools one PCIe 5.0 M.2 slot
  • Dual USB4 ports deliver 40 Gbps throughput
  • 24 power stages rated at 110 A each handle heavy loads

AM5 Motherboard with Ryzen 9 9950X

This combo pairs the ROG Crosshair X870E Dark Hero board with a Ryzen 9 9950X processor in the AM5 socket. It targets builders who want a high-end platform for AI workloads, heavy multitasking and enthusiast overclocking. The board delivers dual-channel DDR5 support, dual 10 Gbps and 5 Gbps Ethernet, Wi-Fi 802.11 be and Bluetooth 5.4.

256 GB DDR5 Capacity and Five M.2 Slots

Four 288-pin slots accept up to 256 GB of DDR5 memory, with rated speeds reaching 8600 MT/s on Ryzen 9000 series and 9600 MT/s on Ryzen 8000 series. Storage includes two PCIe 5.0 M.2 slots for 2242, 2260, 2280 or 22110 drives and three PCIe 4.0 M.2 slots, all cooled by substantial heatsinks including a 3D vapour-chamber unit on the primary slot.

Upgrade from Older AM5 or AM4 Builds

The combo replaces an earlier AM5 motherboard or an AM4 system that lacks PCIe 5.0 graphics and storage lanes, dual USB4 40 Gbps ports and the 20 plus 2 plus 2 110 A power-stage design. The jump is worthwhile when you need the higher memory headroom, the extra 5.0 M.2 slot and the ROG overclocking toolset such as Dynamic OC Switcher and Core Flex.

Highlights

  • AM5 socket supports Ryzen 9000, 8000 and 7000 series CPUs
  • DDR5 memory scales up to 9600 MT/s with 256 GB capacity
  • 3D vapor-chamber heatsink cools one PCIe 5.0 M.2 slot
  • Dual USB4 ports deliver 40 Gbps throughput
  • 24 power stages rated at 110 A each handle heavy loads

Specifications

BrandASUS
ModelROG CROSSHAIR X870E DARK HERO +(R9 9950X)
CPU Socket TypeAM5
ChipsetAMD X870E
Number of Memory Slots4x288pin (DDR5)
Memory StandardSupports 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
Maximum Memory Supported256GB
Channel SupportedDual Channel
ECC SupportedYes
Buffer SupportedUn-buffered
PCI Express 5.0 x16AMD Ryzen 9000 & 7000 Series Desktop Processors
2 x PCIe 5.0 x16 slots (supports x16 or x8/x8 modes)
*When both PCIEX16_1 and PCIEX16_2 are in use, they will each run in x8 mode.
AMD Ryzen 8700 & 8600 & 8400 Series Desktop Processors
2 x PCIe 4.0 x16 slots (Total bandwidth for x8)
AMD Ryzen 8500 & 8300 Series Desktop Processors
2 x PCIe 4.0 x16 slots (Total bandwidth for x4)
Serial ATA (SATA)4 x SATA 6Gb/s
M.2AMD 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 RAIDAMD RAIDXpert2 Technology
Ryzen 9000 & 8000 & 7000 Series Processors: RAID 0/1/5/10
Audio 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
Max LAN Speed10Gbps + 5Gbps
Wireless LANWi-Fi 802.11 be
BluetoothBluetooth 5.4
Back I/O Ports2 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
Onboard USB2 x USB 20Gbps connectors (support 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
Other ConnectorsFan 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
Storage Related
5 x M.2 slots (Key M)
4 x SATA 6Gb/s ports
Miscellaneous
3 x Addressable Gen2 headers
1 x Alteration PCIe mode switch
1 x FlexKey button
1 x Front Panel Audio header (F_AUDIO)
1 x ReTry button
1 x Start button
1 x 10-1 pin System Panel header
1 x Thermal Sensor header
1 x LN2 Mode jumper
Form FactorATX
Dimensions (W x L)12.0" x 9.6"
Power Pin1 x 24-pin Main Power connector
2 x 8-pin +12V CPU Power connector
1 x 8-pin PCIe Power connector
BIOS Feature64 MB (512Mb)
Flash ROM, UEFI AMI BIOS
SoftwareROG Exclusive Software
- ROG CPU-Z
- Dolby Atmos
- Internet Security (1-year full version)
- Polymo Lighting II
ASUS Exclusive Software
Armoury Crate
- Aura Creator
- Aura Sync
- Fan Xpert 4 (with AI Cooling II)
- GameFirst
- WiFi Q-Antenna
- MLO Wizard
ASUS DriverHub
- ASUS MB Manager
- HWiNFO
- ASUS AI Advisor
- AIDA64 Extreme (1 year full version)
ASUS GlideX
- USB Wattage Watcher
TurboV Core
WinRAR (40 Days Free Trial)
Adobe Creative Cloud (Free Trial)
UEFI BIOS
AI Overclocking Guide
AI Cache Boost
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode
- A
FeaturesExtreme OC Kit
- FlexKey button
- LN2 Mode
- ReTry button
- Start button
Extreme Engine Digi+
- 10K Black metallic capacitors
- MicroFine alloy choke
ASUS Q-Design
- M.2 Q-Latch
- M.2 Q-Release
- M.2 Q-Slide
- PCIe Slot Q-Release
- Q-Antenna
- Q-Code
- Q-Connector
- Q-Dashboard
- Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
- Q-Slot
ASUS Thermal Solution
- Fan bracket
- 3D VC M.2 Heatsink
- M.2 heatsink backplate
- M.2 heatsink
- VRM heatsink design
- Metal backplate
ASUS EZ DIY
- Backplate
- BIOS FlashBack button
- Clear CMOS button
- ProCool II
- Pre-mo
Package ContentsCables
4 x SATA 6Gb/s cables
Additional Cooling Kit
1 x DDR5 fan holder
1 x ROG assistant fan (60mm)
1 x Thermal pad for M.2 22110
Miscellaneous
1 x ASUS WiFi Q-Antenna
1 x Q-connector
1 x M.2 Q-Latch package
3 x M.2 Q-Slide package
5 x M.2 rubber package
1 x ROG stickers
1 x ROG thank you card
1 x ROG Bottle Opener
Documentation
1 x Quick start guide
Shin-Etsu X-23-7868-2D
CPU

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Questions about this item

Will my existing DDR5 memory kit run at rated speed with the Ryzen 9 9950X installed?

The board supports up to 8600+ MT/s (OC) with Ryzen 9000 series processors. Your kit's rated frequency and voltage must fall within the supported range and the motherboard's QVL for stable operation.

How can I confirm the AI Cache Boost feature is active after first boot?

Enter the UEFI BIOS and navigate to the AI Overclocking or AI Cache Boost section; the feature status will show as enabled. You can also monitor cache frequencies and latency improvements in the ROG dashboard software within Windows.

Does the package include a mounting bracket for the 3D VC M.2 heatsink on the primary PCIe 5.0 slot?

The 3D VC M.2 heatsink is integrated onto the motherboard for the M.2_1 slot. The combo includes the motherboard with pre-installed I/O shield, the Ryzen 9 9950X processor, and standard accessories like SATA cables and Wi-Fi antennas.

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