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ATX motherboard with large silver VRM heatsinks, four DDR5 slots, PCIe 5.0 x16 slot, dual M.2 heatsinks

ASUS

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

SKU CH-QK3A-JAJEW

AMD AM5 motherboard and Ryzen 7 9800X3D CPU combo with 14+2+1 80A DrMOS power stages, DDR5 to 8000 MT/s, PCIe 5.0 x16 and M.2, Wi-Fi 7, 2.5Gb Ethernet, USB4 40Gbps, and 192GB max memory

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

Model PRIME X870-P WIFI

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CPU + Ryzen 7 9800X3D

  • Stable power for heavy workloads backed by 14+2+1 80A DrMOS stages
  • Faster wireless and wired networking with Wi-Fi 7 and 2.5Gb Ethernet
  • Low-latency gaming boost from 2nd-gen 3D V-Cache on the Ryzen 7 9800X3D
  • High-capacity DDR5 memory support up to 192GB across four slots
  • Quick, tool-free hardware swaps using PCIe Q-Release and M.2 Q-Latch

Combo for AM5 gaming and AI workloads

This bundle pairs the PRIME X870-P WIFI motherboard with the Ryzen 7 9800X3D processor. The board uses the AMD X870 chipset and an AM5 socket that supports Ryzen 9000, 8000 and 7000 series CPUs. It targets builders who want a ready-to-run platform for high-frame-rate gaming and local AI inference.

DIY-friendly layout with tool-free retention

A pre-mounted I/O shield, PCIe Slot Q-Release and M.2 Q-Latch let you install the graphics card and up to four M.2 2280 drives without screws. BIOS FlashBack updates firmware without a CPU installed, while Q-LED Core and Q-Dashboard give immediate POST-code and status feedback. The main PCIe 5.0 x16 slot shares bandwidth with M.2_2, so populating that drive drops the slot to x8 mode.

Verify cooler clearance.

The 14+2+1 80A DrMOS VRM and 8-layer PCB demand a CPU cooler that clears the large VRM heatsink. Four 288-pin DDR5 slots support up to 192 GB at 4400 MT/s JEDEC or 8000+ MT/s with EXPO profiles; confirm your kit is on the QVL. The board draws auxiliary power through ProCool connectors, so ensure your PSU provides the required 8-pin and 4-pin EPS cables.

How it compares

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

Price $796.99
Pricier than about 78% 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

How do I confirm the Ryzen 7 9800X3D and PRIME X870-P WIFI are running correctly after assembly?

Power on and watch the Q-LED Core indicators cycle through CPU, DRAM, VGA and BOOT; a steady white light means the 8-core processor and motherboard have passed POST. Enter BIOS to verify the CPU shows 9800X3D and DDR5 reads 4400 MT/s or your EXPO speed.

What comes in the combo box and what must I buy separately?

The bundle includes the PRIME X870-P WIFI motherboard with pre-mounted I/O shield, Q-Antenna and M.2 Q-Latch, plus the Ryzen 7 9800X3D processor. You still need DDR5 memory modules, a graphics card, storage drives, a power supply, a case and a CPU cooler.

Which memory capacity should I choose for the four DDR5 slots supporting up to 192GB?

For dual-channel performance install a matched two-module kit first; the board has four 288-pin slots and supports up to 192GB total, so you can add a second identical kit later if workloads demand more capacity.

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