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Black ATX motherboard with silver VRM heatsinks and a Ryzen 9 9950X3D CPU installed

ASUS

ASUS PRIME X870-P WIFI + Ryzen 9 9950X3D AMD motherboard combo

SKU CH-KA3N-TWV7F

A socket AM5 motherboard paired with a 16-core Ryzen 9 9950X3D CPU, delivering 14+2+1 80A DrMOS power stages, DDR5 memory up to 192GB, PCIe 5.0 x16 and M.2 slots, Wi-Fi 7, 2.5Gb Ethernet.

  • ChipsetAMD X870
  • Form factorATX
  • Memory slot count4 × 288pin (DDR5)
  • Supported memoryDDR5 4400
  • Max supported RAM192 GB
  • Memory channelsDual Channel

Model PRIME X870-P WIFI

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CPU + Ryzen 9 9950X3D

  • Stable power delivery for heavy workloads with 14+2+1 80A DrMOS stages
  • Fast wireless networking via Wi-Fi 7 and Bluetooth 5.4
  • High-speed storage ready with PCIe 5.0 M.2 slot and four M.2 sockets
  • Ample memory capacity up to 192GB DDR5 across four slots
  • Strong multi-threaded performance from 16-core Ryzen 9 9950X3D with 128MB L3 cache

AM5 platform for Ryzen 9000 series

This combo pairs the ASUS PRIME X870-P WIFI motherboard with the AMD Ryzen 9 9950X3D processor on the AM5 socket. The board provides four DDR5 slots supporting up to 192GB of memory and a 14+2+1 80A DrMOS power design for stable delivery. It targets builders who need high core counts and large memory capacity for demanding workloads.

Q-Release and Q-Latch simplify hardware swaps

The PCIe Slot Q-Release lets you remove a graphics card with one hand, while M.2 Q-Latch secures drives without screws. A pre-mounted I/O shield, Q-Antenna for Wi-Fi 7, and BIOS FlashBack button reduce the small parts that typically slow a build. Flexible M.2 heatsinks cover two slots to keep thermals steady during sustained transfers.

Clearance and BIOS defaults are the usual hurdles

The large VRM heatsink can interfere with bulky air coolers, so verify cooler height before ordering. Four DDR5 slots mean memory training takes longer on first boot; enable EXPO in BIOS to reach rated speeds. Q-LED Core indicators help identify POST codes if the system fails to initialise.

How it compares

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

Price $1,079.99
Pricier than about 90% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model namePRIME X870-P WIFI+R9 9950 × 3D
Processor
ChipsetAMD X870
Memory
Memory slot count4 × 288pin (DDR5)
Supported memoryDDR5 4400
Max supported RAM192 GB
Memory channelsDual Channel
ECC supportYes
BufferingUn-buffered
Storage
SATA ports2 x SATA 6Gb/s
SATA and RAID support* AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/5/10 and SATA RAID 0/1. RAID 5 Function is only supportted by AMD Ryzen 9000 series CPU.
Audio & video
Audio chipRealtek 7.1 Surround Sound High Definition Audio CODEC*
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- Supports up to 24-Bit/192 kHz playback
Audio Features
- Audio Shielding
- Premium audio capacitors
- Dedicated audio PCB layers
* A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.
Sound channels7.1 Channels
Connectivity
Maximum network speed2.5 Gbit/s
Wi-Fi standardWi-Fi 802.11 be
Bluetooth support5.4
Ports & slots
PCIe 5.0 x16 slotsAMD Ryzen 9000 & 7000 Series Desktop Processors
1 x PCIe 5.0 x16 slot (supports x16 mode)
Onboard USB headers1 x USB 10 Gbit/s connector (supports USB Type-C)
1 x USB 5 Gbit/s header supports 2 additional USB 5 Gbit/s ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
Power
Power connectors1 × 24-pin Main Power connector
2 × 8-pin +12 V CPU Power connectors
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
Compatibility
Windows 11 supportSupported
More details
BIOS256 Mb Flash ROM, UEFI AMI BIOS

Other versions of this model

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Questions about this item

Will the 14+2+1 80A DrMOS power stages on the PRIME X870-P WIFI need any maintenance or replacement during normal use?

The 14+2+1 80A DrMOS power stages are solid-state components with no moving parts, so they do not require scheduled maintenance or replacement under normal operating conditions.

What limit appears first when the Ryzen 9 9950X3D runs sustained workloads on this board?

The 170W TDP of the Ryzen 9 9950X3D is the primary thermal limit; the 14+2+1 80A DrMOS power stages and large VRM heatsink are designed to handle this continuously.

How loud and hot does the combo get when running all day with the AI Cooling II and large VRM heatsink?

Fan Xpert 4 with AI Cooling II adjusts hybrid fan headers based on VRM and CPU temperatures, keeping noise low while the large VRM heatsink and dual M.2 heatsinks dissipate heat from the 170W CPU during extended loads.

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