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ASUS ROG STRIX X870-A motherboard with Ryzen 7 9700X CPU in ATX form factor, black PCB with silver heatsinks

ASUS

ASUS ROG STRIX X870-A GAMING WIFI S + R7 9700X AMD motherboard & CPU combo

SKU CH-K27D-CNKX3

AM5 motherboard and 8-core Ryzen 7 9700X CPU combo with 16+2+2 power stages, DDR5 support, WiFi 7, and four M.2 slots including two PCIe 5.0

  • CPU socketAM5
  • ChipsetAMD X870

Model ROG STRIX X870-A GAMING WIFI S

CPU +R7 9700X

  • Ready for advanced AI workloads with power and connectivity built for demanding applications
  • 16+2+2 power stages rated for 90A each with dual ProCool II connectors for stable multi-core performance
  • AMD Ryzen 7 9700X delivers 8 cores and 16 threads at up to 5.5 GHz boost for 100+ FPS gaming
  • Four M.2 slots including two PCIe 5.0 and two PCIe 4.0 with substantial cooling for fast storage expansion
  • ASUS AI Overclocking, AI Cooling II, AI Networking and AEMP simplify setup and improve performance

Combo ready for advanced AI workloads

This motherboard and CPU combo pairs the ROG STRIX X870-A GAMING WIFI S with an AMD Ryzen 7 9700X processor. The eight-core, sixteen-thread CPU runs on the AM5 socket with a max boost clock of 5.5 GHz and 40 MB cache. It targets builders who want a high-performance foundation for gaming and AI-accelerated applications.

AM5 platform limits and connectivity

The X870 chipset supports Ryzen 7000, 8000 and 9000 series processors through the AM5 socket. Memory tops out at DDR5-5600 via AEMP profiles. Expansion includes two PCIe 5.0 M.2 slots and two PCIe 4.0 M.2 slots. Wireless connectivity uses WiFi 7, and the board provides USB4 ports for high-speed peripherals.

Power delivery and storage headroom

The 16+2+2 power stage design is rated for 90 A per stage with dual ProCool II connectors, alloy chokes and durable capacitors. This gives ample headroom for multi-core workloads and overclocking via Dynamic OC Switcher, Core Flex and PBO Enhancement. Four M.2 slots with substantial cooling handle multiple high-speed drives, though the two PCIe 4.0 slots will limit peak throughput compared to the 5.0 pair.

How it compares

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

Price $843.99
Pricier than about 80% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Product lineROG STRIX
Model nameROG STRIX X870-A GAMING WIFI S +R7 9700X
Processor
CPU socketAM5
ChipsetAMD X870

Other versions of this model

5 more in the same range

Questions about this item

Which motherboard and CPU combination is included in this bundle?

The bundle pairs the ROG STRIX X870-A GAMING WIFI S motherboard with an AMD Ryzen 7 9700X processor, giving you a ready-to-install platform on the AM5 socket.

What does the 5.5 GHz maximum boost clock mean for everyday gaming?

The 8-core, 16-thread Ryzen 7 9700X can reach 5.5 GHz on demanding titles, helping deliver the 100-plus frame rates quoted for popular games.

How does the PCIe 5.0 M.2 support affect storage speed limits?

Two onboard PCIe 5.0 M.2 slots allow next-generation drives to run at their full interface bandwidth, while two additional PCIe 4.0 slots provide extra high-speed capacity.

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