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ASUS PRIME B650M-F-CSM micro-ATX motherboard with Ryzen 7 9800X3D CPU installed

ASUS

ASUS PRIME B650M-F-CSM & Ryzen 7 9800X3D AMD motherboard combo

SKU CH-HKG0-D2GJJ

Micro-ATX AM5 board paired with a Ryzen 7 9800X3D CPU, PCIe 4.0, 64Gbps M.2 slot and DDR5 support

  • CPU socketAM5

Model PRIME B650M-F-CSM

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CPU +Ryzen 7 9800X3D

  • Ready for AI workloads with advanced AI PC support
  • AMD AM5 socket fits Ryzen 7000 and 8000 series processors
  • PCIe 4.0 and 64Gbps M.2 slot enable fast storage
  • PCH heatsinks with Fan Xpert 2+ keep thermals in check
  • Aura Sync RGB headers simplify lighting coordination

Motherboard & CPU combo

This bundle pairs an ASUS PRIME B650M-F-CSM micro-ATX board with an AMD Ryzen 7 9800X3D processor. It targets builders who want a ready-to-install platform for gaming or AI workloads without selecting parts separately. The board uses the AMD B650 chipset and AM5 socket. The CPU is a CES 2025 Innovation Award Honoree.

AM5 socket with Ryzen 7000 and 8000 support

The AM5 socket accepts AMD Ryzen 7000 series and 8000 series desktop processors. The included 9800X3D is already installed, so socket compatibility is guaranteed. This single specification confirms the board will run the supplied CPU and future AM5 chips.

Straightforward installation

The board includes PCH heatsinks, hybrid fan pins and Fan Xpert 2+ for cooling control. Second-generation addressable RGB pins and Aura RGB pins connect LED strips. Installers should seat the CPU cooler evenly and attach fan cables to the labelled headers. Misaligned cooler mounting is the most common issue.

How it compares

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

Price $621.99
Pricier than about 71% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model namePRIME B650M-F-CSM+R7 9800 × 3D
Processor
CPU socketAM5

Other versions of this model

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Questions about this item

How does the Ryzen 7 9800X3D perform once installed in this B650 board?

The 9800X3D brings its 3D V-Cache design to the AM5 socket, giving strong gaming frame rates and responsive multitasking when paired with the PRIME B650M-F-CSM.

What does the PCIe 4.0 M.2 slot at 64Gbps actually deliver for storage?

The slot runs at PCIe 4.0 x4, capping sequential throughput at 64Gbps so compatible M.2 drives hit their rated read and write speeds.

Will this micro-ATX board fit in my case and what mounting points does it use?

The micro-ATX form factor uses standard standoff holes, so it fits any chassis that supports micro-ATX or larger.

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