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White mATX motherboard with CPU installed, silver heatsinks and black PCB visible

ASUS

ASUS ROG Strix B850-G Gaming WiFi S & Ryzen 9 9950X AMD motherboard combo

SKU CH-JKC6-JWGT2

Pairs a white mATX AM5 board with Wi-Fi 7, four M.2 slots, PCIe 5.0 x16 and 20 Gbps USB-C with a 16-core, 32-thread Ryzen 9 9950X hitting 5.7 GHz boost and 64 MB L3 cache.

  • CPU Socket TypeAM5
  • ChipsetAMD B850

Motherboard

Struck-through versions exist but are not stocked here.

CPU + Ryzen 9 9950X

  • 16 cores and 32 threads handle heavy multitasking with Ryzen 9 9950X
  • DDR5 support up to 256 GB across four slots for large memory workloads
  • PCIe 5.0 x16 slot delivers high bandwidth for modern graphics cards
  • WIFI 7 built into the motherboard for fast wireless connectivity
  • AM5 socket supports Ryzen 9000 and 7000 series processors for platform flexibility

ROG Strix B850-G Combo Overview

The ASUS ROG Strix B850-G Gaming WiFi S motherboard is paired with an AMD Ryzen 9 9950X processor in a single kit. The board uses the AMD B850 chipset on a micro-ATX form factor with a white finish. It provides four DDR5 memory slots supporting up to 256 GB. Connectivity includes WIFI 7 and a USB 20Gbps Type-C port.

Target Builder Profile

This combo suits enthusiasts building a compact high-performance system on the AM5 platform who want a 16-core CPU with 32 threads and a 5.7 GHz max boost clock. The single PCIe 5.0 x16 slot handles one modern graphics card. Builders needing multiple full-size PCIe slots or a larger ATX board should consider a different motherboard.

DDR5 Memory Capacity Decides Fit

The four DIMM slots accept DDR5 modules up to a total of 256 GB, running at DDR5-5600 speeds. This ceiling determines whether the platform can hold the memory quantity a workload requires. Verify the needed capacity before purchase.

Highlights

  • 16 cores and 32 threads handle heavy multitasking with Ryzen 9 9950X
  • DDR5 support up to 256 GB across four slots for large memory workloads
  • PCIe 5.0 x16 slot delivers high bandwidth for modern graphics cards
  • WIFI 7 built into the motherboard for fast wireless connectivity
  • AM5 socket supports Ryzen 9000 and 7000 series processors for platform flexibility

Specifications

BrandASUS
ModelROG Strix B850-G Gaming WiFi S+R9 9950X
CPU Socket TypeAM5
ChipsetAMD B850

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How do I install the Ryzen 9 9950X into the AM5 socket on this motherboard, and what step is often missed?

Align the triangle marker on the CPU with the socket corner, lower the retention arm gently, and do not forget to remove the protective plastic cover from the socket before placing the processor.

What maintenance will the Ryzen 9 9950X and B850 motherboard need over time?

Reapply thermal paste on the CPU every few years, clean dust from the VRM heatsinks and chipset fan, and update the BIOS when new AGESA versions add stability for Ryzen 9000 series processors.

What limit appears first when the 16-core Ryzen 9 9950X runs at 5.7 GHz boost under sustained load?

The CPU cooler's ability to dissipate heat becomes the bottleneck; without a high-capacity air or liquid cooler, temperatures hit the thermal ceiling and clocks throttle down.

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