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ASUS PRIME B650M-A WIFI II-CSM motherboard with AMD Ryzen 9 9950X3D CPU in AM5 socket

ASUS

ASUS PRIME B650M-A WIFI II-CSM AMD Motherboard & Ryzen 9 9950X3D CPU Combo

SKU CH-VBP6-PTQQM

Combines an AM5 motherboard with Wi-Fi 6, 2.5G LAN, USB 3.2 Gen 2 and PCIe 5.0 M.2 with a 16-core Ryzen 9 9950X3D CPU featuring 128 MB L3 cache and Radeon graphics

  • CPU socketAM5

Model PRIME B650M-A WIFI II-CSM

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CPU +Ryzen 9 9950X3D

  • AM5 socket supports Ryzen 7000 series processors for high-performance computing
  • 16-core Ryzen 9 9950X3D with 128 MB L3 cache and 16 MB L2 cache
  • Wi-Fi 6 plus 2.5 Gb wired LAN gives fast network connectivity
  • PCIe 5.0 M.2 slot enables rapid storage performance
  • VRM and PCH heatsinks with Fan Xpert 2+ deliver comprehensive cooling

Motherboard & CPU Combo for AM5 Builds

This bundle pairs the ASUS PRIME B650M-A WIFI II-CSM motherboard with an AMD Ryzen 9 9950X3D processor. It targets builders who want a ready-matched platform for high-core-count workloads and gaming on the AM5 socket. The combination delivers a 170 W TDP CPU alongside a board built for DDR5 memory and modern connectivity.

Upgrade Path from Older AM4 or Entry AM5 Systems

Moving to this combo replaces a motherboard limited to PCIe 4.0 storage and slower wired networking. The jump is worth it when you need PCIe 5.0 M.2 throughput, a 2.5 Gbps Ethernet link, and the 128 MB L3 cache that benefits cache-sensitive applications. Builders staying on AM4 or using a 65 W class chip gain both core count and platform bandwidth in one step.

16 Cores with 128 MB Cache for Heavy Multitasking

The Ryzen 9 9950X3D brings 16 cores and 128 MB of L3 cache, handling simultaneous render, compile and game streams without bottlenecking the cache hierarchy. Headroom remains for DDR5 overclocking via ASUS OptiMem II routing and for adding a second PCIe 5.0 drive when workloads grow. Integrated Radeon graphics cover basic display output while a discrete GPU handles compute.

How it compares

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

Price $996.99
Pricier than about 88% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model namePRIME B650M-A WIFI II-CSM+R9 9950 × 3D
Processor
CPU socketAM5

Other versions of this model

5 more in the same range

Questions about this item

Will the CPU fit the motherboard socket?

Yes, the Ryzen 9 9950X3D uses the AM5 socket and the board is built for AM5 Ryzen 7000 series processors.

What memory type and speed should I buy?

The board supports DDR5 only; choose DDR5 modules and the OptiMem II layout helps with compatibility and overclocking headroom.

Does the CPU include integrated graphics for a display?

Yes, the 9950X3D has AMD Radeon graphics built in, so you can connect a monitor to the board's HDMI, DisplayPort or VGA outputs.

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