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Micro-ATX board with black finish and silver heatsinks, Ryzen 9 9950X CPU seated in AM5 socket

ASUS

ASUS PRIME B650M-K Motherboard & AMD Ryzen 9 9950X CPU Combo

SKU CH-5D7Z-TNZY8

Micro-ATX board with DDR5 memory and PCIe 5.0 M.2 paired with a 16-core 5.7 GHz Ryzen 9 9950X CPU

  • ProcessorComputer Accessories

Model PRIME B650M-K

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CPU +Ryzen 9 9950X

  • 16 cores and 32 threads deliver heavy multi-threaded performance
  • 7 GHz max boost clock enables high single-threaded speed
  • DDR5 memory support up to 6400 MHz provides fast data throughput
  • Dual-channel architecture with 96 GB maximum capacity allows large memory configurations
  • Micro-ATX form factor fits compact builds while retaining expansion options

ASUS PRIME B650M-K with Ryzen 9 9950X

This combo pairs a Micro-ATX motherboard with a 16-core AMD Ryzen 9 9950X processor. The board uses Socket AM5 and supports DDR5 memory in dual-channel mode up to 96 GB. It targets builders who want high multi-threaded performance in a compact form factor.

Bundled CPU and motherboard integration

The processor arrives pre-validated for the PRIME B650M-K socket and power delivery. Its 5.7 GHz maximum boost and 64 MB L3 cache are ready without manual tuning. The board exposes two DDR5 slots, four SATA III ports and an M.2 interface for storage expansion.

Straightforward AM5 installation

The CPU drops into the AM5 socket with no retention bracket to remove. Align the gold triangle, lower the lever and secure the cooler. Two memory slots mean full population is simple, but 96 GB requires 48 GB modules that can be hard to source.

How it compares

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

Price $711.99
Pricier than about 75% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model namePRIME B650M-K+R9 9950X
Processor
ProcessorComputer Accessories

Other versions of this model

5 more in the same range

Questions about this item

Will this board fit in a standard micro-ATX case and what power connector does it need?

The motherboard uses the micro-ATX form factor and requires a standard 24-pin ATX power connector.

What memory speeds and capacity does the board support with the included CPU?

The board supports DDR5 up to 6400 MHz across two DIMM slots, with a maximum capacity of 96 GB in dual-channel mode.

How many M.2 and SATA drives can I install alongside the 16-core processor?

The board provides one M.2 slot and four SATA III ports, supporting up to six storage drives in total with RAID 0, 1 and 10.

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