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Black ATX motherboard with large silver heatsinks and integrated I/O cover, Ryzen 9 9900X CPU in AM5 socket

ASUS

ASUS ROG STRIX X870E-H GAMING WIFI7 AMD motherboard & Ryzen 9 9900X CPU combo

SKU CH-3055-SFE50

Pairs an AM5 motherboard with 16+2+1 power stages, four M.2 slots and WiFi 7 with a 12-core Ryzen 9 9900X CPU reaching 5.6 GHz boost

  • 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

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CPU + Ryzen 9 9900X

  • Ready for advanced AI computing with X870E chipset and Ryzen 9000 support
  • 12 cores and 24 threads at 5.6 GHz max boost for heavy workloads
  • 16+2+1 power stages rated 80A each with dual ProCool II connectors
  • Four M.2 slots including two PCIe 5.0 with substantial cooling solutions
  • WiFi 7 plus 5Gbps Ethernet and 7.1 channel audio for fast connectivity

Ready for Advanced AI Computing

This motherboard and CPU combo pairs an AMD X870E chipset board with a Ryzen 9 9900X processor. The 12-core, 24-thread CPU reaches 5.6 GHz max boost and includes 64 MB L3 cache. The platform targets enthusiasts building systems for demanding AI workloads and high-performance gaming.

Thermals, Noise and Power Draw

The board uses a 16+2+1 power solution rated for 80A per stage with dual ProCool II connectors, alloy chokes and durable capacitors. Massive heatsinks with an integrated I/O cover and high-conductivity thermal pads cool the VRM and M.2 slots. Fan headers include CPU, CPU OPT, AIO pump and five chassis connectors for flexible cooling configurations.

Bundled Software and Accessories

ASUS-exclusive AI Advisor, AI Cache Boost, AI Networking II and AEMP simplify setup and tune memory performance. Onboard WiFi 7 and Realtek 5Gb Ethernet provide high-speed networking. The rear I/O supplies two USB4 40Gbps ports, four USB 10Gbps ports, six USB 5Gbps ports and two USB 2.0 ports plus HDMI.

How it compares

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

Price $922.99
Pricier than about 84% 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
Product lineROG STRIX
Model nameROG STRIX X870E-H GAMING WIFI7+R9 9900X
Part numberROG STRIX X870E-H GAMING WIFI7+R9 9900X
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

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Questions about this item

How do I install the Ryzen 9 9900X into the AM5 socket on this motherboard, and which step do people often miss?

Align the gold triangle on the CPU with the socket corner, lower the retention arm gently, and connect both 8-pin ProCool II power cables before closing the case.

What maintenance or replacement will the Ryzen 9 9900X and this board need later?

The CPU ships without a cooler, so you must add a compatible AM5 cooler and replace its thermal paste every few years; the board’s CMOS battery will eventually need swapping.

What limit appears first when the Ryzen 9 9900X runs sustained heavy loads on this 16+2+1 power design?

The 12-core CPU can draw enough current to hit thermal limits before the 80A-rated power stages saturate, so adequate case airflow and a strong cooler become the practical ceiling.

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