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Black ATX motherboard with large silver heatsinks, integrated rear I/O cover and a silver CPU socket cover installed

ASUS

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

SKU CH-3TJ4-8QKFE

Pairs a 12-core Ryzen 9 9900X with an X870E ATX board offering 16+2+1 power stages, DDR5 to 8000+ MT/s, WiFi 7, 5 Gbps LAN, two PCIe 5.0 M.2 slots and four M.2 slots total

  • 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 +R9 9900X

  • 12-core 24-thread Ryzen 9 9900X delivers high multi-task throughput
  • 16+2+1 power stages rated 80A each sustain heavy CPU loads
  • WiFi 7 plus 5Gb Ethernet give fast low-latency networking
  • Four M.2 slots with two PCIe 5.0 and two PCIe 4.0 offer flexible storage
  • Massive heatsinks with integrated I/O cover and thermal pad keep temperatures down

Combo contents

This bundle pairs an ASUS ROG STRIX X870E-H GAMING WIFI7 motherboard with an AMD Ryzen 9 9900X processor. The CPU delivers 12 cores and 24 threads on the Zen 5 architecture with a 5.6 GHz max boost. The board uses the AMD X870E chipset on an ATX form factor. Together they target builders who want a high-core-count platform for AI workloads, content creation and gaming.

Before ordering

Verify that your chassis accepts a 12.0" x 9.6" ATX board and has room for the integrated I/O cover heatsink. The power design requires two 8-pin +12V CPU connectors alongside the 24-pin main connector. Memory must be DDR5; the board runs up to 8000+ MT/s when overclocked and supports 256 GB across four 288-pin slots in dual-channel mode. A CPU cooler is not included.

What the bundle changes

The motherboard adds two PCIe 5.0 M.2 slots and two PCIe 4.0 M.2 slots, each with substantial cooling. Rear I/O includes two USB4 40 Gbps Type-C ports, four USB 10 Gbps ports and six USB 5 Gbps ports. Networking features WiFi 7 (802.11be) and Realtek 5 Gb Ethernet. Onboard headers provide one USB 20 Gbps Type-C connector, addressable RGB Gen 2 headers and multiple 4-pin fan headers including an AIO pump header.

How it compares

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

Price $934.99
Pricier than about 85% 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 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

5 more in the same range

Questions about this item

What comes in the box and do I need to buy a CPU cooler separately?

The combo includes the ROG STRIX X870E-H GAMING WIFI7 motherboard and the Ryzen 9 9900X processor. A CPU cooler is not included and must be purchased separately.

Which memory speed should I choose for the four DDR5 slots to reach the 8000+ MT/s OC figure?

The board supports up to 8000+ MT/s when overclocked with a Ryzen 9000 series CPU. Install a DDR5 kit rated for that speed or higher and enable the EXPO profile in the UEFI BIOS.

What does the 5.6 GHz max boost clock mean for everyday workloads on the 12-core 9900X?

The 5.6 GHz max boost is the highest single-core frequency the 12-core 9900X can reach under light loads. All-core speeds under sustained heavy workloads will be lower and depend on your cooling solution.

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