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ATX motherboard with silver heatsinks, black PCB and installed CPU cooler

ASUS

ASUS ROG STRIX X870E-H GAMING WIFI7 + Ryzen 9 9950X3D Combo AMD motherboard

SKU CH-X3AF-XTR21

ATX motherboard and Ryzen 9 9950X3D CPU combo with 16+2+1 power stages, DDR5 support, WiFi 7, 5Gb Ethernet, four M.2 slots and 128MB L3 cache

  • CPU socketAM5
  • ChipsetAMD X870E
  • Form factorATX
  • Memory slot count4 × 288pin (DDR5)
  • Supported memorySupports up to 8000+MT/s(OC) with Ryzen
  • Max supported RAM256 GB

Model ROG STRIX X870E-H GAMING WIFI7

CPU +9 9950X3D

  • Combo ready for advanced AI workloads with 170W Zen 5 CPU
  • 16+2+1 power stages rated 80A for stable multi-core performance
  • Four M.2 slots with two PCIe 5.0 and two PCIe 4.0 lanes
  • WiFi 7 plus 5Gb Ethernet for high-speed networking
  • DDR5 up to 8000+ MT/s OC with 256GB max capacity

Ready for Advanced AI PCs

This motherboard and CPU combo pairs the ROG STRIX X870E-H GAMING WIFI7 board with the AMD Ryzen 9 9950X3D processor. The platform targets advanced AI computing workloads with a 16+2+1 power solution rated for 80A per stage and dual ProCool II connectors. Four DDR5 slots support up to 256GB at 8000+ MT/s.

Who this suits and who should look elsewhere

Enthusiasts building high-end workstations or AI-focused rigs will benefit from the robust power delivery, WiFi 7 connectivity, and 128MB L3 cache on the CPU. Users needing ECC memory or a smaller form factor should consider other platforms, as this ATX board supports only Non-ECC DDR5 and measures 12.0 x 9.6 inches.

Bundled accessories and software impact

The package includes the motherboard and CPU only. ASUS-exclusive AI Advisor, AI Cache Boost, AI Networking II and AEMP firmware features simplify setup and optimise performance. Onboard WiFi 7 (802.11be) and Realtek 5Gb Ethernet provide high-speed networking. Two PCIe 5.0 and two PCIe 4.0 M.2 slots with substantial cooling solutions expand storage options.

How it compares

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

Price $1,299.99
Pricier than about 92% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model nameROG STRIX X870E-H GAMING WIFI7+R9 9950 × 3D
Processor
CPU socketAM5
ChipsetAMD X870E
Memory
Memory slot count4 × 288pin (DDR5)
Supported memorySupports up to 8000+MT/s(OC) with Ryzen
Max supported RAM256 GB
Memory channelsDual Channel
ECC supportNon-ECC
Storage
SATA and RAID supportAMD RAIDXpert2 Technology
Ryzen 9000 Series Processors: RAID 0/1/5/10
Ryzen 8000 Series Processors: RAID 0/1
Ryzen 7000 Series Processors: RAID 0/1/10
Audio & video
Sound channels7.1 Channels
Connectivity
Maximum network speed5 Gbit/s
Ports & slots
Onboard USB headers1 x USB 20 Gbit/s connector (supports USB Type-C)
1 x USB 5 Gbit/s header supports 2 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
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
Compatibility
Windows 11 supportSupported
More details
BIOS256 Mb Flash ROM, UEFI AMI BIOS

Other versions of this model

5 more in the same range

Questions about this item

What DDR5 memory kit do I need to reach the 8000+ MT/s speed shown for the Ryzen 9 9950X3D?

You need a DDR5 kit rated for 8000 MT/s or higher and the motherboard's AEMP feature will apply the optimised timings automatically once the modules are installed.

Will my existing PCIe 4.0 graphics card and M.2 drives run at full speed in the ROG STRIX X870E-H?

Yes, the board provides one PCIe 5.0 x16 slot that operates at x8/x4 with Ryzen 8000 CPUs and two PCIe 4.0 M.2 slots that deliver full Gen 4 bandwidth for current drives.

How can I confirm the 5 Gb Ethernet and WiFi 7 links are active after building the system?

Open Windows Settings > Network & Internet; the Ethernet adapter will show a 5 Gbps link speed and the Wi-Fi adapter will list 802.11be as the protocol when connected to a WiFi 7 router.

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