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ATX motherboard in white and silver with large VRM heatsinks, installed CPU, M.2 covers and rear I/O shield

ASUS

ASUS ROG Strix B650-A Gaming WiFi & Ryzen 7 9700X AMD motherboard combo

SKU CH-2AYM-Y9Y1H

AM5 motherboard and 8-core Ryzen 7 9700X combo with 12 + 2 power stages, PCIe 5.0 M.2, WiFi 6E and 2.5G LAN

  • ProcessorSupports AMD Ryzen 7000 Series Desktop Processors* * Refer t
  • ChipsetAMD B650
  • Form factorATX
  • CPU socketAM5
  • Memory slot count4 × 288pin (DDR5)
  • Supported memoryDDR5 6400+(OC) / 6200(OC) / 6000(OC) / 5800(OC) / 5600(OC) /

Motherboard ROG Strix B650-A Gaming WiFi

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CPU + R7 9700X

  • 8 cores and 16 threads deliver high gaming frame rates
  • 12 + 2 power stages with ProCool connectors ensure stable CPU power
  • PCIe 5.0 and two PCIe 4.0 M.2 slots with heatsinks enable fast storage
  • WiFi 6E and Intel 2.5G Ethernet provide high-speed networking
  • Four DDR5 slots support up to 128 GB with EXPO profiles

Combo for AM5 builders

This bundle pairs the ROG Strix B650-A Gaming WiFi motherboard with an eight-core, 16-thread Ryzen 7 9700X processor. The board targets enthusiasts who want a clean ATX platform for gaming and productivity workloads. It delivers a complete foundation for a high-performance desktop build.

DDR5 and PCIe bandwidth limits

Four DDR5 slots support up to 128 GB across speeds from 4800 to 6400 MT/s depending on the CPU and module configuration. A single PCIe 5.0 x16 slot connects the graphics card directly to the processor. One M.2 slot runs at PCIe 5.0 x4 while two more operate at PCIe 4.0 x4, with the third sharing bandwidth with a secondary x16 slot.

Power delivery and rear I/O layout

The 12 + 2 power stage design uses 8 + 4 pin ProCool connectors, alloy chokes and durable capacitors to feed multi-core CPUs. Massive VRM heatsinks with cut airflow channels and thermal pads handle sustained loads. Rear I/O includes one USB 3.2 Gen 2x2 Type-C port, eight additional USB ports, HDMI 2.1, DisplayPort 1.4, 2.5G LAN and WiFi 6E.

How it compares

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

Price $531.99
Pricier than about 67% of the 1,906 comparable items (median $224.49).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameASUS
Product lineROG
Model nameROG STRIX B650-A Gaming WiFi+R7 9700X
Processor
ProcessorSupports AMD Ryzen 7000 Series Desktop Processors*
* Refer to www.asus.com for CPU support list.
CPU socketAM5
ChipsetAMD B650
Memory
Memory slot count4 × 288pin (DDR5)
Supported memoryDDR5 6400+(OC) / 6200(OC) / 6000(OC) / 5800(OC) / 5600(OC) / 5400(OC) / 5200 / 5000 / 4800
* Supported memory types, data rate(Speed), and number of DRAM module vary depending on the CPU and memory configuration, for more information refer to www.asus.com for memory support list.
* Non-ECC, Un-buffered DDR5 Memory supports On-Die ECC function
Max supported RAM128 GB
Memory channelsDual Channel
ECC supportYes
BufferingUn-buffered
Storage
SATA ports4 x SATA 6Gb/s
SATA and RAID supportAMD RAIDXpert2 Technology supports both NVMe RAID 0/1/10 and SATA RAID 0/1/10
Audio & video
Audio chipRealtek ALC4080
Sound channelsROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4080
- Impedance sense for front and rear headphone outputs
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- High quality 120 dB SNR stereo playback output and 113 dB SNR recording input
- Supports up to 32-Bit/384 kHz playback
Audio Features
- SupremeFX Shielding Technology
- Savitech SV3H712 AMP
- Premium audio capacitors
- Audio cover
Connectivity
Maximum network speed2.5 Gbit/s
Wi-Fi standardWi-Fi 6E
2 × 2 Wi-Fi 6E (802.11 a/b/g/n/ac/ax)
Supports 2.4/5/6 GHz frequency band*
* WiFi 6E 6 GHz regulatory may vary between countries, and function will be ready in Windows 11 or later.
Bluetooth supportv5.2
Ports & slots
PCIe 5.0 x16 slots1 x PCI Express 5.0 x16
PCIe x1 slots2 x PCIe 4.0/3.0 x1 slots
Onboard USB headers1 x USB 3.2 Gen 2 connector (supports USB Type-C )
1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
2 x USB 2.0 headers support additional 4 USB 2.0 ports
Power
Power connectors1 × 24-pin Main Power connector
1 × 8-pin +12 V Power connector
1 × 4-pin +12 V Power connector
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
Compatibility
Windows 11 supportSupported

Other versions of this model

5 more in the same range

Questions about this item

Which CPU is included in this combo?

The bundle ships with an AMD Ryzen 7 9700X processor that has 8 cores and 16 threads for multi-threaded workloads and high frame rates in games.

What does the 6400+(OC) DDR5 rating mean once the board is built?

It shows the maximum overclocked data rate the motherboard can reach with EXPO memory kits; actual speed depends on the CPU memory controller and the specific modules installed.

What does the PCIe 5.0 M.2 slot cap in practice?

The top M.2 socket runs at PCIe 5.0 x4 for a single drive, while the second and third slots operate at PCIe 4.0 x4 and share chipset bandwidth with the lower PCIe x16 slot.

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