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ATX motherboard with large VRM heatsinks, dual M.2 covers, silver accents, and a Ryzen 9 9950X3D CPU in the AM5 socket

ASUS

ASUS PRIME X870-P WIFI & Ryzen 9 9950X3D Combo AMD Motherboard

SKU CH-MQDQ-R0HA1

A pre-matched AMD AM5 motherboard and 16-core Ryzen 9 9950X3D processor with 128 MB L3 cache, DDR5 memory support to 192 GB, PCIe 5.0 graphics and M.2 slots, Wi-Fi 7, 2.5 Gb LAN.

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

Motherboard PRIME X870-P WIFI

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CPU + R9 9950X3D

  • Ready for advanced AI workloads with 16-core Ryzen 9 9950X3D processor
  • Stable power delivery via 14+2+1 80A DrMOS power stages and 8-layer PCB
  • Ultrafast connectivity through Wi-Fi 7, 2.5Gb Ethernet, USB4 40Gbps and PCIe 5.0 slots
  • Comprehensive cooling with large VRM heatsink, dual M.2 heatsinks and AI Cooling II
  • DIY-friendly design featuring Q-Release PCIe slot, M.2 Q-Latch and BIOS FlashBack

Combo platform for AI workloads

This bundle pairs the PRIME X870-P WIFI motherboard with the Ryzen 9 9950X3D processor on the AM5 socket. The board uses the AMD X870 chipset and delivers a 14+2+1 80A DrMOS power design across an 8-layer PCB. Four DDR5 slots support up to 192 GB at 4400 MT/s with EXPO profiles and ECC capability. The CPU provides 128 MB L3 cache, 16 MB L2 cache and integrated Radeon graphics in a 170 W package.

Verify cooler clearance and memory kit

Confirm that your CPU cooler mounting hardware is compatible with the AM5 socket pattern before ordering. The four 288-pin DDR5 slots accept unbuffered DIMMs only; check that your chosen kit is on the board's qualified vendor list for speeds above 4400 MT/s. Ensure the power supply includes the required ProCool connectors for the 14+2+1 phase VRM. Case front-panel headers must match the board's USB 10 Gbps Type-C and USB 10 Gbps Type-A pinouts.

DIY aids and software utilities

A pre-mounted I/O shield, Q-Antenna for Wi-Fi 7, PCIe Slot Q-Release, M.2 Q-Latch and flexible M.2 heatsink simplify assembly. BIOS FlashBack enables firmware updates without a CPU installed. Fan Xpert 4 with AI Cooling II manages the hybrid fan headers automatically. Q-Dashboard and Q-LED Core provide real-time hardware monitoring and POST-code diagnostics from within the UEFI.

How it compares

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

Price $1,050.99
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

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Questions about this item

What comes in the box and what do I need to buy separately?

The combo includes the ASUS PRIME X870-P WIFI motherboard and the AMD Ryzen 9 9950X3D processor. You must purchase DDR5 memory modules, a graphics card, storage drives, a CPU cooler, a power supply and a chassis separately.

How do I decide between the memory speeds and capacities this board supports?

The board has four DDR5 slots supporting up to 192 GB total in dual-channel mode. It runs at 4400 MT/s by default and can reach 8000+ MT/s with EXPO kits when paired with Ryzen 9000, 8000 or 7000 series CPUs. Choose capacity based on workload and select an EXPO-certified kit for the highest validated frequency.

What does the 128 MB L3 cache on the 9950X3D actually do for me in a built system?

The large 128 MB L3 cache on the 16-core 9950X3D reduces latency for gaming and data-heavy tasks by keeping more instructions and data on-chip. Combined with the motherboard's 14+2+1 80A DrMOS power stages and PCIe 5.0 M.2 slot, it lets the CPU sustain high frequencies without waiting for system memory.

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