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ATX motherboard in dark grey with large VRM heatsink, silver I/O shield, four DDR5 slots, three M.2 heatsinks

ASUS

ASUS PRIME X870-P WIFI + Ryzen 7 9800X3D AMD motherboard combo

SKU CH-44Y1-NN84P

Pairs an 8-core Ryzen 7 9800X3D with an X870 ATX board offering 14+2+1 80A DrMOS power stages, DDR5 to 192 GB, PCIe 5.0 x16 and M.2, Wi-Fi 7, 2.5 Gb LAN and USB4 40 Gbps

  • 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 + R7 9800X3D

  • Stable power delivery for heavy workloads with 14+2+1 80A DrMOS stages and 8-layer PCB
  • Future-ready AI computing performance from the Ryzen 7 9800X3D with 8 cores and 3D V-Cache
  • Ultrafast storage and graphics via PCIe 5.0 x16 slot and PCIe 5.0 M.2 support
  • High-speed networking with Wi-Fi 7, 2.5Gb Ethernet and Bluetooth 5.4 built in
  • Easy DIY assembly using Q-Release PCIe slot, M.2 Q-Latch, pre-mounted I/O shield and BIOS FlashBack

Ready AM5 Combo

This bundle pairs the PRIME X870-P WIFI motherboard with the Ryzen 7 9800X3D processor on the AM5 socket. It targets builders who want a single validated kit for gaming and AI workloads without selecting parts separately.

192GB DDR5 Headroom

Four 288-pin slots support dual-channel DDR5 up to 192GB, running at 4400 MT/s standard and 8000+ MT/s with EXPO overclocking. The 14+2+1 80A DrMOS power stages on an 8-layer PCB deliver stable current for heavy multi-core loads, while ECC un-buffered DIMMs are accepted for data-integrity tasks.

Wi-Fi 7 and USB4

Onboard Wi-Fi 7 (802.11 be) and Bluetooth 5.4 join Realtek 2.5Gb Ethernet for low-latency networking. A PCIe 5.0 x16 slot and a PCIe 5.0 M.2 2280 slot provide 40Gbps USB4 Type-C plus 10Gbps front and rear USB ports. Q-Release, M.2 Q-Latch, pre-mounted I/O shield and BIOS FlashBack simplify assembly and recovery.

How it compares

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

Price $862.99
Pricier than about 81% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model namePRIME X870-P WIFI+R7 9800 × 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 board fit in a standard ATX case and does it come with the I/O shield already installed?

The board uses the ATX form factor and ships with a pre-mounted I/O shield, so it fits standard ATX cases without extra steps.

What memory speed can I reach with the included Ryzen 7 9800X3D and how many modules can I install?

The combo supports DDR5 up to 8000+ MT/s when overclocked via EXPO and provides four 288-pin slots for a maximum of 192 GB.

Which M.2 slot runs at PCIe 5.0 speeds and will a long graphics card block it?

The primary M.2_1 slot operates at PCIe 5.0 x4 with a Ryzen 9000 series CPU and sits clear of the PCIe 5.0 x16 graphics slot, so a full-length card will not cover it.

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