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ASUS PRIME X870-P WIFI ATX motherboard with Ryzen 9 9950X CPU, silver heatsinks and black PCB

ASUS

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

SKU CH-H77V-MBR8Q

A motherboard and CPU combo with a 16-core Ryzen 9 9950X, DDR5 support to 192 GB, PCIe 5.0 x16 and M.2, Wi-Fi 7, Bluetooth 5.4 and 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 9950X

  • Stable power for heavy workloads with 14+2+1 80A DrMOS stages
  • 16 cores and 32 threads on Zen 5 architecture reach 5.7 GHz max boost
  • Four DDR5 slots support up to 192 GB at 4400 MT/s standard
  • Wi-Fi 7 and 2.5 Gbps LAN plus Bluetooth 5.4 for fast wireless connectivity
  • PCIe 5.0 x16 slot and PCIe 5.0 M.2 2280 enable high-speed graphics and storage

ASUS PRIME X870-P WIFI & Ryzen 9 9950X Combo

This combo pairs an AMD X870 chipset motherboard with a 16-core Ryzen 9 9950X processor. It targets builders who need high multi-threaded throughput for rendering, compilation or AI workloads. The board delivers 14+2+1 80A DrMOS power stages on an 8-layer PCB for stable delivery. Four DDR5 slots support up to 192 GB in dual-channel mode.

PCIe 5.0 x16 and M.2 limits

The primary PCIe 5.0 x16 slot runs at x16 with Ryzen 9000 or 7000 series CPUs. With Ryzen 8000 series it operates at PCIe 4.0 x8 or x4. The top M.2_1 slot supports PCIe 5.0 x4 on 9000 and 7000 series, dropping to PCIe 4.0 x4 on 8000 series. M.2_2 shares bandwidth with the second PCIe x16 slot, disabling that slot when populated.

DIY-friendly installation notes

Pre-mounted I/O shield, Q-Release for the graphics card and M.2 Q-Latch remove screwdrivers from the process. BIOS FlashBack updates firmware without a CPU installed. Q-LED Core shows POST codes for quick troubleshooting. The large VRM and dual M.2 heatsinks need adequate case airflow. Cooler mounting follows standard AM5 patterns; no cooler is included.

How it compares

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

Price $1,003.99
Pricier than about 88% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model namePRIME X870-P WIFI+R9 9950X
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

5 more in the same range

Questions about this item

Should I pick the combo with the Ryzen 9 9950X or look for a different CPU?

This bundle pairs the PRIME X870-P WIFI motherboard with the Ryzen 9 9950X, a 16-core, 32-thread processor that reaches 5.7 GHz max boost and includes 64 MB L3 cache. The board delivers 14+2+1 80A DrMOS power stages and an 8-layer PCB, built to handle that density. No other CPU variant is offered in this listing.

What does the 5.7 GHz boost clock mean once the chip is installed?

The 5.7 GHz figure is the maximum single-core boost frequency the Ryzen 9 9950X can hit under light loads when thermal and power headroom allow. All-core speeds under heavy workloads will be lower and depend on your cooler and case airflow. The processor is unlocked for overclocking if you want to push further.

Which PCIe standard does the primary x16 slot and the top M.2 slot use, and what does that limit?

With the Ryzen 9 9950X installed, the primary PCIe x16 slot and the M.2_1 slot both run at PCIe 5.0, giving a graphics card up to x16 bandwidth and a 2280 SSD up to x4 bandwidth. If a Ryzen 8000 series processor were used instead, those same slots would drop to PCIe 4.0 speeds.

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