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ASUS PRIME B650M-K micro-ATX motherboard with AMD Ryzen 7 9700X processor installed

ASUS

ASUS PRIME B650M-K + Ryzen 7 9700X AMD motherboard CPU combo

SKU CH-9D5W-R9EPK

Micro-ATX motherboard and 8-core 16-thread Ryzen CPU combo supports DDR5 up to 6400 MHz with PCIe 5.0 M.2 and 2.5 Gb LAN

  • ProcessorComputer Accessories

Model PRIME B650M-K

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CPU +Ryzen 7 9700X

  • 8 cores and 16 threads deliver high gaming frame rates
  • DDR5 memory up to 6400 MHz for fast data throughput
  • Dual-channel architecture with two DIMM slots supports 96 GB maximum capacity
  • Four SATA III ports and M.2 interface provide flexible storage options
  • 5 Gb Ethernet connection enables low-latency network performance

Combo overview

This bundle pairs an ASUS PRIME B650M-K motherboard with an AMD Ryzen 7 9700X processor. The board uses the Socket AM5 platform and supports DDR5 memory in a dual-channel layout across two DIMM slots. It is built for users who want a ready-to-run foundation for a new AM5 system.

Upgrade path

The combo moves you from an older AM4 or Intel platform to the current AM5 socket with DDR5 support. The jump is worth it when you need the 8-core, 16-thread Ryzen 7 9700X and a motherboard that can handle up to 96 GB of memory at speeds up to 6400 MHz. The board also provides four SATA III ports and M.2 connectivity for storage expansion.

Installation notes

The Micro-ATX board fits standard mounting points and uses a 24-pin ATX power connector plus a dedicated CPU fan header. Front-panel headers include USB 2.0 and USB 3.2 Gen 1 connectors as well as audio. Common issues involve seating DDR5 modules fully into the two slots and ensuring the CPU power cable is connected before first boot.

How it compares

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

Price $485.99
Pricier than about 65% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model namePRIME B650M-K+R7 9700X
Processor
ProcessorComputer Accessories

Other versions of this model

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Questions about this item

What case size fits the Micro-ATX ASUS PRIME B650M-K motherboard?

The board uses the Micro-ATX form factor so it fits any case that accepts Micro-ATX or larger ATX layouts.

How do I install the Ryzen 7 9700X into the Socket AM5 on this board, and what step do builders often miss?

Lift the socket lever, align the triangle on the CPU with the socket corner, place the chip gently, lower the lever, then apply a pea-sized dot of thermal paste before mounting the cooler — skipping the paste is the common error.

What memory upgrades will this combo need later, and what are the limits?

It has two DDR5 DIMM slots running dual-channel, supports speeds from 4800 up to 6400 MHz, and maxes out at 96 GB total capacity.

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