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ASUS PRIME X870-P ATX motherboard with AMD Ryzen 9 9950X CPU combo in retail packaging

ASUS

ASUS PRIME X870-P & Ryzen 9 9950X Combo AMD motherboard

SKU CH-5VHY-F7R6A

A motherboard and CPU combo featuring a 16-core, 32-thread Ryzen 9 9950X processor with 5.7 GHz max boost and an X870 board offering four M.2 slots, Realtek 2.5 Gb Ethernet, USB 40Gbps, PCIe 5.0.

  • CPU Socket TypeAM5

model PRIME X870-P

+CPU + Ryzen 9 9950X

  • Pre-installed I/O shield and BIOS FlashBack button simplify first-time assembly
  • 16-core Ryzen 9 9950X with 32 threads handles heavy multitasking workloads
  • 7 GHz max boost clock on Zen 5 architecture accelerates single-thread performance
  • 14+2+1 phase 80 A DrMOS VRM with large heatsink delivers stable power under load
  • Four M.2 slots and USB 40 Gbps ports provide fast storage and peripheral connectivity

AM5 Combo for High-End Builds

This motherboard and CPU combo pairs the PRIME X870-P board with a 16-core Ryzen 9 9950X processor. The board uses the AM5 socket and targets users who need high multi-threaded performance for workstation or enthusiast workloads. It delivers a complete platform foundation in a single package.

PCIe 5.0 and 2.5 GbE Limits

The platform supports PCIe 5.0 on select slots, so the practical bandwidth ceiling depends on the specific slot used and the device installed. The Realtek 2.5 Gb Ethernet controller caps wired network throughput at 2.5 Gbps under ideal conditions. USB ports reach 40 Gbps on the fastest headers, while SATA remains at 6 Gbps.

Pre-Fitted I/O Shield and BIOS FlashBack

A pre-installed I/O backplate removes the need to fit a separate shield during assembly. BIOS FlashBack lets you update firmware without a CPU or memory installed, which helps when a new processor requires a newer BIOS. SafeSlot reinforces the primary PCIe slot to resist heavy graphics cards.

Highlights

  • Pre-installed I/O shield and BIOS FlashBack button simplify first-time assembly
  • 16-core Ryzen 9 9950X with 32 threads handles heavy multitasking workloads
  • 7 GHz max boost clock on Zen 5 architecture accelerates single-thread performance
  • 14+2+1 phase 80 A DrMOS VRM with large heatsink delivers stable power under load
  • Four M.2 slots and USB 40 Gbps ports provide fast storage and peripheral connectivity

Specifications

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

Other versions of this model

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Questions about this item

Should I choose this PRIME X870-P combo or a different board for the Ryzen 9 9950X?

The combo pairs the X870 chipset with a 16-core, 32-thread Zen 5 CPU that boosts to 5.7 GHz. The board delivers a 14+2+1 phase 80A DrMOS VRM with a large heatsink, so it is built to handle that power envelope out of the box.

What does the 5.7 GHz boost mean when the 9950X is installed in this motherboard?

The 5.7 GHz single-core maximum is supported by the board's 14+2+1 phase 80A DrMOS power stages and large VRM cooler. All-core speeds will depend on your cooling and the Fan Xpert 4 profile you select.

What does the USB 40Gbps port actually cap at on the PRIME X870-P?

The USB 40Gbps port runs at the full 40 Gbps signalling rate. Throughput will be limited by the connected device and cable, but the motherboard controller does not impose a lower ceiling.

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