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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
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardDDR5 4400
  • Maximum Memory Supported192GB
  • Channel SupportedDual Channel
  • ECC SupportedYes

model PRIME X870-P WIFI

+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.

Highlights

  • 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

Specifications

BrandASUS
ModelPRIME X870-P WIFI+R9 9950X3D
ChipsetAMD X870
Number of Memory Slots4x288pin (DDR5)
Memory StandardDDR5 4400
Maximum Memory Supported192GB
Channel SupportedDual Channel
ECC SupportedYes
Buffer SupportedUn-buffered
Memory FeatureSupports up to 8000+MT/s(OC) with Ryzen 9000 & 8000 & 7000 Series Processors
ECC and Non-ECC, Un-buffered DIMM*
Dual channel memory architecture
Supports AMD Extended Profiles for Overclocking (EXPO)
ASUS Enhanced Memory Profile (AEMP)
* Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.
PCI Express 5.0 x16AMD Ryzen 9000 & 7000 Series Desktop Processors
1 x PCIe 5.0 x16 slot (supports x16 mode)
PCI Express 4.0 x16AMD Ryzen 8000 Series Desktop Processors
1 x PCIe 4.0 x16 slot (supports x8/x4 mode)
AMD X870 Chipset
3 x PCIe 4.0 x16 slots (support x1 mode)***
*** PCIEX16(G4)_1 shares bandwidth with M.2_2. PCIEX16(G4)_1 will be disabled when M.2_2 runs.
*** PCIEX16(G4)_2 and PCIEX16(G4)_3 share bandwidth with M.2_3. PCIEX16(G4)_2 and PCIEX16(G4)_3 will be disabled when M.2_3 runs.
Serial ATA (SATA)2 x SATA 6Gb/s
M.2AMD Ryzen 9000 & 7000 Series Desktop Processors
M.2_1 slot (Key M), type 2280 (supports PCIe 5.0 x4 mode)
AMD Ryzen 8000 Series Desktop Processors
M.2_1 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)
AMD X870 Chipset
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)**
M.2_3 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)***
M.2_4 slot (Key M), type 2280 (supports PCIe 3.0 x2 mode)****
** PCIEX16(G4)_1 shares bandwidth with M.2_2. PCIEX16(G4)_1 will be disabled when M.2_2 runs.
*** PCIEX16(G4)_2 and PCIEX16(G4)_3 share bandwidth with M.2_3. PCIEX16(G4)_2 and
SATA RAID* 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 ChipsetRealtek 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.
Audio Channels7.1 Channels
Max LAN Speed2.5Gbps
Wireless LANWi-Fi 802.11 be
BluetoothBluetooth 5.4
Back I/O Ports2 x USB4 (40Gbps) ports (2 x USB Type-C)
1 x USB 10Gbps port (1 x Type-A)
3 x USB 5Gbps ports (3 x Type-A)
4 x USB 2.0 ports (4 x Type-A)
1 x HDMI port
1 x Wi-Fi module
1 x Realtek 2.5Gb Ethernet port
3 x Audio jacks
1 x BIOS FlashBack button
Onboard USB1 x USB 10Gbps connector (supports USB Type-C)
1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
Other ConnectorsFan and Cooling Related
1 x 4-pin CPU Fan header
1 x 4-pin CPU OPT Fan header
1 x 4-pin AIO Pump header
4 x 4-pin Chassis Fan headers
Miscellaneous
3 x Addressable Gen2 headers
1 x Clear CMOS header
1 x COM Port header
1 x Front Panel Audio header (F_AUDIO)
1 x S/PDIF Out header
1 x SPI TPM header (14-1 pin)
1 x 10-1 pin System Panel header
Form FactorATX
Dimensions (W x L)12.0" x 9.6"
Power Pin1 x 24-pin Main Power connector
2 x 8-pin +12V CPU Power connectors
BIOS Feature256 Mb Flash ROM, UEFI AMI BIOS
Windows 11Supported
FeaturesASUS 5X PROTECTION III
- DIGI+ VRM (- Digital power design with DrMOS)
- LANGuard
- Overvoltage protection
- SafeSlot
- Stainless-steel back I/O
ASUS Q-Design
- M.2 Q-Latch
- PCIe Slot Q-Release
- Q-Antenna
- Q-Dashboard
- Q-DIMM
- Q-LED Core
- Q-Slot
ASUS Thermal Solution
- Flexible M.2 heatsink
- VRM heatsink design
ASUS EZ DIY
- BIOS FlashBack button
- BIOS FlashBack LED
- ProCool
- Pre-mounted I/O shield
- SafeSlot
Aura Sync
- Addressable Gen2 headers
Package Contents1 x AMD Ryzen 9 9950X3D CPU
1 x Shin-Etsu X-23-7921-5 (1.8g)
Cables
2 x SATA 6Gb/s cables
Miscellaneous
1 x ASUS WiFi Q-Antenna
1 x M.2 rubber package
2 x Screw packages for M.2 SSD
Documentation
1 x Quick start guide

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

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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