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ATX motherboard with silver VRM heatsinks and Ryzen 7 9700X CPU in AM5 socket

ASUS

ASUS ROG STRIX B850-A GAMING WIFI S + Ryzen 7 9700X AMD motherboard CPU combo

SKU CH-PHHX-80ZG9

AM5 motherboard with 16+2 power stages and Ryzen 7 9700X 8-core CPU delivers DDR5 performance and WiFi 6E connectivity for gaming builds

  • CPU Socket TypeAM5
  • ChipsetAMD B850

Motherboard ROG STRIX B850-A GAMING WIFI S

Show 3 more configurations

CPU + Ryzen 7 9700X

  • Stable overclocking headroom from 16+2 power stages rated at 70A
  • Next-gen GPU and storage speed via PCIe 5.0 x16 SafeSlot and dual M.2 slots
  • Cooler VRM and SSD operation through stacked-fin heatsinks and M.2 thermal shields
  • Fast wired and wireless networking with 2.5G LAN and WiFi 6E
  • High-frame-rate gaming from 8-core Ryzen 9700X boosting to 5.5 GHz

AM5 Platform Combo

The bundle pairs an ASUS ROG STRIX B850-A GAMING WIFI S motherboard with an AMD Ryzen 7 9700X processor. It targets builders who want a ready-to-run AM5 foundation for high-refresh gaming and multitasking workloads. The board supports Ryzen 7000, 8000 and 9000 series CPUs out of the box.

PCIe 5.0 And DDR5 Limits

The platform delivers one PCIe 5.0 x16 SafeSlot and two M.2 slots wired for PCIe 5.0 x4 and PCIe 4.0 x4 respectively. DDR5 memory runs at 5600 MT/s with overclocking headroom provided by the 16+2 power stages rated at 70 A each. The chipset caps general-purpose lanes at PCIe 4.0 speeds.

VRM Heatsinks And Rear I/O

Stacked-fin VRM heatsinks and M.2 shields with thermal pads keep the 14+2+2 power module cool during sustained loads. Rear I/O includes WiFi 6E, 2.5 G LAN with LANGuard, USB 3.2 Gen 2x2 Type-C at 20 Gbps and a USB4 header for front-panel expansion. Multiple hybrid fan headers support AIO pump control.

Highlights

  • Stable overclocking headroom from 16+2 power stages rated at 70A
  • Next-gen GPU and storage speed via PCIe 5.0 x16 SafeSlot and dual M.2 slots
  • Cooler VRM and SSD operation through stacked-fin heatsinks and M.2 thermal shields
  • Fast wired and wireless networking with 2.5G LAN and WiFi 6E
  • High-frame-rate gaming from 8-core Ryzen 9700X boosting to 5.5 GHz

Specifications

BrandASUS
ModelROG STRIX B850-A GAMING WIFI S+AMD Ryzen 7 9700X
CPU Socket TypeAM5
ChipsetAMD B850

Other versions of this model

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Questions about this item

Should I choose the combo with the Ryzen 7 9700X or buy the ROG STRIX B850-A GAMING WIFI S board alone?

The bundle pairs the board with an 8-core Ryzen 7 9700X running up to 5.5 GHz boost, 40 MB cache and DDR5-5600 support. Buying the combo guarantees AM5 socket compatibility and saves the step of matching CPU to motherboard yourself.

What does the 100+ FPS claim mean once the Ryzen 7 9700X is installed in this board?

The processor delivers 100+ frames per second in top games when paired with the board's 16+2 power stages (70A) and PCIe 5.0 x16 slot, giving the GPU full bandwidth and stable power for sustained high frame rates.

How does the PCIe 5.0 interface on this board cap real-world GPU and storage speeds?

The single PCIe 5.0 x16 SafeSlot runs current graphics cards at full bandwidth, while the primary M.2 slot operates at PCIe 5.0 x4 for the fastest available SSDs; the second M.2 slot is limited to PCIe 4.0 x4.

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