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ASUS PRIME B650M-A WIFI II-CSM motherboard with Ryzen 7 9800X3D CPU installed

ASUS

ASUS PRIME B650M-A WIFI II-CSM AMD motherboard & Ryzen 7 9800X3D CPU Combo

SKU CH-Z9WX-FTV1Y

A pre-built motherboard and CPU pairing with AM5 socket, DDR5 memory support, Wi-Fi 6, 2.5 Gb Ethernet, PCIe 5.0 M.2, SATA connectivity and an 8-core, 16-thread processor reaching 5.2 GHz

  • CPU Socket TypeAM5

model PRIME B650M-A WIFI II-CSM

Show 2 more configurations

+CPU +Ryzen 7 9800X3D

  • Ready-to-build combo with matched Ryzen 7 9800X3D CPU
  • 8 cores and 16 threads deliver high multi-task throughput
  • 2 GHz max boost clock accelerates single-thread work
  • Wi-Fi 6 and 2.5 Gb wired give flexible network options
  • PCIe 5.0 M.2 slot enables fastest storage speeds

AM5 motherboard and Ryzen 7 9800X3D combo

This bundle pairs an ASUS PRIME B650M-A WIFI II-CSM board with an AMD Ryzen 7 9800X3D processor. The board uses the AMD AM5 socket and supports Ryzen 7000 series desktop CPUs. The included chip delivers 8 cores and 16 threads based on the Zen 5 architecture with a 5.2 GHz maximum boost clock. It earned a CES 2025 Innovation Award Honoree distinction.

Builders wanting Wi-Fi 6

The motherboard provides Wi-Fi 6, a Realtek 2.5G wired port, USB 3.2 Gen 2, and front-panel USB 3.2 Gen 1 Type-C. It also includes VRM and PCH heatsinks, hybrid fan headers, Fan Xpert 2+, and AURA SYNC RGB headers. Users needing more expansion slots or a different form factor should evaluate other options.

DDR5 memory with OptiMem II routing

The platform runs DDR5 and uses ASUS OptiMem II trace routing to improve signal integrity and overclocking headroom. This single specification determines whether the kit matches your memory plans.

Highlights

  • Ready-to-build combo with matched Ryzen 7 9800X3D CPU
  • 8 cores and 16 threads deliver high multi-task throughput
  • 2 GHz max boost clock accelerates single-thread work
  • Wi-Fi 6 and 2.5 Gb wired give flexible network options
  • PCIe 5.0 M.2 slot enables fastest storage speeds

Specifications

BrandASUS
ModelPRIME B650M-A WIFI II-CSM+R7 9800X3D
CPU Socket TypeAM5

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 much power does the Ryzen 7 9800X3D draw when it runs at its 5.2 GHz maximum speed all day?

The processor reaches a 5.2 GHz maximum frequency; sustained power draw at that speed depends on the cooler and motherboard power limits configured in the BIOS.

Which DDR5 memory modules do I need to have on hand before this motherboard and CPU will post?

The board requires DDR5 DIMMs; capacity and speed are chosen by the builder, and ASUS OptiMem II routing helps with signal integrity at higher data rates.

Will my existing SATA 6 Gbps SSDs and hard drives work straight away on this B650 board?

Yes, the motherboard provides SATA 6 Gbps ports so current SATA drives connect without adapters or extra controllers.

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