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ASUS

ASUS PRIME X870-P AMD motherboard & Ryzen 9 9950X3D CPU combo

SKU CH-JX6N-24BFY

A motherboard and CPU combo pairing the PRIME X870-P with a 16-core Ryzen 9 9950X3D, 128 MB L3 cache, DDR5 support, four M.2 slots, 2.5 Gb Ethernet and USB 40 Gbps connectivity

  • CPU Socket TypeAM5
  • Ready-to-build combo with matched CPU and board
  • 16-core Zen 5 processor with 128 MB L3 cache for heavy multitasking
  • 14 plus 2 plus 1 DrMOS power stages at 80 A each feed stable voltage
  • Four M.2 slots plus PCIe 5.0 support fast storage expansion
  • Realtek 2.5 Gb Ethernet and USB 40 Gbps ports handle high-speed I/O

ASUS PRIME X870-P motherboard

This combo pairs an ASUS PRIME X870-P motherboard with an AMD Ryzen 9 9950X3D processor. The board uses the AMD X870 chipset and AM5 socket to support the Ryzen 9000 series. The CPU delivers 16 cores built on TSMC 4nm FinFET Granite Ridge Zen 5 architecture with a 170W TDP and integrated AMD Radeon graphics.

Easy installation with pre-fitted I/O shield

The motherboard arrives with a pre-installed I/O backplane so you do not need to fit a separate shield. A BIOS FlashBack button lets you update firmware without a CPU or memory installed. SafeSlot reinforced PCIe slots protect heavy graphics cards. ASUS Fan Xpert 4 software manages the hybrid fan headers and VRM heatsink.

Check DDR5 memory and AM5 cooler clearance before

This platform requires DDR5 modules; older DDR generations will not fit the four memory slots. Verify that your CPU cooler mounting hardware supports the AM5 socket pattern. The 14+2+1 80A DrMOS power stages and large VRM heatsink need adequate case airflow. Ensure your power supply provides the necessary 12V connectors for the 170W processor.

Highlights

  • Ready-to-build combo with matched CPU and board
  • 16-core Zen 5 processor with 128 MB L3 cache for heavy multitasking
  • 14 plus 2 plus 1 DrMOS power stages at 80 A each feed stable voltage
  • Four M.2 slots plus PCIe 5.0 support fast storage expansion
  • Realtek 2.5 Gb Ethernet and USB 40 Gbps ports handle high-speed I/O

Specifications

BrandASUS
ModelPRIME X870-P+R9 9950X3D
CPU Socket TypeAM5

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Questions about this item

Will the board fit in a standard ATX case and align with the I/O shield?

The motherboard uses the ATX form factor and ships with a pre-installed I/O backplate so it lines up with standard case cut-outs.

What CPU cooler clearance and power rating should I plan for with the 16-core 170 W processor?

Choose a cooler rated for 170 W or higher; the board’s large VRM heatsink leaves ample room for most tower or AIO coolers.

Which memory kits are supported and how many modules can I install?

The board has four DDR5 slots; populate two or four modules for dual-channel operation.

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