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Black ATX motherboard with silver heatsinks and a boxed Ryzen 9 9950X CPU

ASUS

ASUS ROG STRIX X870-A GAMING WIFI S AMD motherboard & Ryzen 9 9950X CPU Combo

SKU CH-GXSK-2FJNJ

AM5 motherboard and 16-core Ryzen 9 9950X CPU combo with 32 threads, 5.7 GHz boost, 64 MB L3 cache, DDR5-5600 support, 16+2+2 90 A power stages, two PCIe 5.0 and two PCIe 4.0 M.2 slots, and WiFi 7

  • CPU Socket TypeAM5
  • ChipsetAMD X870

model ROG STRIX X870-A GAMING WIFI S

+CPU +R9 9950X

  • Ready for advanced AI workloads with high-performance platform
  • 16 cores and 32 threads deliver massive multi-threaded compute power
  • 16+2+2 power stages rated 90A each ensure stable CPU delivery
  • Two PCIe 5.0 and two PCIe 4.0 M.2 slots provide fast storage expansion
  • AI overclocking, cooling, networking and AEMP simplify system tuning

ASUS ROG STRIX X870-A Gaming WiFi S Combo

This bundle pairs the ROG STRIX X870-A GAMING WIFI S motherboard with an AMD Ryzen 9 9950X processor. The board uses the AMD X870 chipset and AM5 socket to support Ryzen 7000, 8000 and 9000 series CPUs. It is designed for advanced AI computing workloads and high-performance desktop builds.

Upgrade path from older AM5 or AM4 platforms

The combo delivers 16 cores and 32 threads with a 5.7 GHz max boost based on Zen 5 architecture. It adds 64MB L3 cache and DDR5-5600 support for bandwidth-intensive tasks. The jump is worth it when moving to PCIe 5.0 storage and WiFi 7 connectivity for modern workloads.

Limits of the PCIe 5.0 and DDR5 interface

Two onboard PCIe 5.0 M.2 slots and two PCIe 4.0 M.2 slots provide high-speed storage lanes with substantial cooling. The 16+2+2 power solution rated for 90A per stage supports multi-core operation. DDR5 AEMP simplifies memory tuning without manual configuration.

Highlights

  • Ready for advanced AI workloads with high-performance platform
  • 16 cores and 32 threads deliver massive multi-threaded compute power
  • 16+2+2 power stages rated 90A each ensure stable CPU delivery
  • Two PCIe 5.0 and two PCIe 4.0 M.2 slots provide fast storage expansion
  • AI overclocking, cooling, networking and AEMP simplify system tuning

Specifications

BrandASUS
ModelROG STRIX X870-A GAMING WIFI S+R9 9950X
CPU Socket TypeAM5
ChipsetAMD X870

Other versions of this model

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Questions about this item

What size case and power connectors does the ROG STRIX X870-A GAMING WIFI S need?

The board uses the ATX form factor and requires dual ProCool II power connectors to feed its 16+2+2 power stages rated for 90A each.

Which installation step do builders most often miss with the Ryzen 9 9950X in this combo?

The CPU ships without a cooler, so you must mount a compatible AM5 cooler before first boot or the system will not post.

What ongoing maintenance do the four M.2 slots and their heatsinks require?

Reapply thermal pads on the M.2 heatsinks whenever you swap drives, and clean dust from the VRM and chipset heatsinks periodically to keep the 90A power stages cool.

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