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ASUS PRIME B650M-K-CSM micro ATX motherboard with Ryzen 7 9700X CPU installed

ASUS

ASUS PRIME B650M-K-CSM Motherboard & Ryzen 7 9700X CPU Combo

SKU CH-2QC5-1M0JB

A micro-ATX motherboard and 8-core processor bundle with DDR5 support, two M.2 PCIe 5.0 slots, 2.5 Gb Ethernet and USB 3.2 Gen 2 connectivity

  • CPU Socket TypeAM5

model PRIME B650M-K-CSM

+CPU +Ryzen 7 9700X

  • Ready for advanced AI computing with AM5 platform power
  • 8-core 16-thread Ryzen 7 9700X reaches 5.5 GHz boost
  • M.2 PCIe 5.0 plus 2.5 Gb Ethernet for ultrafast connectivity
  • ASUS OptiMem II layout improves DDR5-5600 memory overclocking
  • VRM M.2 PCH heatsinks with Fan Xpert 2+ deliver comprehensive cooling

Combo for AM5 builds

This bundle pairs an ASUS PRIME B650M-K-CSM micro-ATX motherboard with a Ryzen 7 9700X processor. The board uses the AMD B650 chipset and AM5 socket, while the CPU delivers 8 cores and 16 threads based on the Zen 5 architecture. It targets builders who want a ready-matched platform for gaming and AI workloads without selecting parts separately.

Thermals and power

The motherboard provides a VRM heatsink, an M.2 heatsink and a PCH heatsink, plus hybrid fan headers controlled by Fan Xpert 2+. The processor has a 65 W base TDP and a maximum boost clock of 5.5 GHz. In normal use the cooling array keeps component temperatures in check while the fan software balances airflow against noise.

Connectivity and software

Ultrafast connectivity comes from one M.2 PCIe 5.0 slot, a second M.2 slot, Realtek 2.5 Gb Ethernet, rear USB 3.2 Gen 2 ports and a front-panel USB 3.2 Gen 1 Type-C header. ASUS OptiMem II routing improves DDR5-5600 signal integrity for memory overclocking. Aura Sync addressable Gen 2 headers drive RGB strips, and ASUS Control Center Express simplifies IT endpoint management.

Highlights

  • Ready for advanced AI computing with AM5 platform power
  • 8-core 16-thread Ryzen 7 9700X reaches 5.5 GHz boost
  • M.2 PCIe 5.0 plus 2.5 Gb Ethernet for ultrafast connectivity
  • ASUS OptiMem II layout improves DDR5-5600 memory overclocking
  • VRM M.2 PCH heatsinks with Fan Xpert 2+ deliver comprehensive cooling

Specifications

BrandASUS
ModelPRIME B650M-K-CSM+R7 9700X
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 do I install the Ryzen 7 9700X into the AM5 socket on this board, and what step do builders often miss?

Lift the retention arm, align the triangle on the CPU with the socket marker, place the chip gently without pressure, lower the arm, then secure the cooler — the step most missed is removing the protective plastic cover from the socket before insertion.

What maintenance or replacement will the PRIME B650M-K-CSM motherboard need over time?

The button-cell CMOS battery on the board will eventually deplete and should be swapped when the system loses date or BIOS settings; the VRM, M.2 and PCH heatsinks only need occasional dust removal.

What limit appears first when the Ryzen 7 9700X runs sustained heavy workloads on this combo?

The processor hits its 65 W base power ceiling before reaching the 5.5 GHz max boost, so clocks settle lower under continuous all-core load unless the VRM heatsink and case airflow keep temperatures in check.

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