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

Motherboard PRIME X870-P WIFI

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.

Highlights

  • 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

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-23-7868-2D (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

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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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