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ATX motherboard with CPU installed, silver heatsinks and black PCB

ASUS

ASUS TUF GAMING X870-PLUS WIFI AM5 ATX Motherboard & AMD Ryzen 9 9950X CPU Combo

SKU CH-9YYP-KAFWB

Pairs an AM5 ATX board with a 16-core Ryzen 9 9950X, delivering 5.7 GHz boost, DDR5-5600 support, 16+2+1 80A power stages, dual PCIe 5.0 M.2 slots, WiFi 7 and dual USB4 40Gbps ports

  • ChipsetAMD X870
  • Form factorATX
  • Memory slot count4 × 288pin (DDR5)
  • Supported memoryDDR5 4400
  • Max supported RAM256 GB
  • Memory channelsDual Channel

Motherboard TUF GAMING X870-PLUS WIFI

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CPU + R9 9950X

  • Ready for advanced AI workloads with high power and connectivity
  • 16 cores and 32 threads on Zen 5 architecture boost up to 5.7 GHz
  • 16+2+1 80A SPS power stages on 8-layer PCB for stable delivery
  • Two PCIe 5.0 and two PCIe 4.0 M.2 slots with large heatsinks
  • WiFi 7, 2.5Gb Ethernet, dual USB4 40Gbps Type-C and front USB 20Gbps with PD

Combo platform

The bundle pairs an ASUS TUF GAMING X870-PLUS WIFI motherboard with an AMD Ryzen 9 9950X processor for Socket AM5. It targets builders who need a 16-core CPU and a full-size ATX board ready for advanced AI workloads and high-speed connectivity.

DDR5 limits

Four 288-pin slots accept un-buffered DDR5 at 4400 MT/s standard with EXPO and AEMP profiles, topping out at 256 GB in dual-channel mode. Non-ECC modules still benefit from on-die ECC while ECC DIMMs are supported for data-integrity tasks.

16-core decision

The Ryzen 9 9950X delivers 16 cores and 32 threads on Zen 5 architecture with a 5.7 GHz maximum boost clock, 64 MB L3 and 16 MB L2 cache, plus native DDR5-5600 support. That core count and clock ceiling are the single spec that determines whether this combo fits the workload.

How it compares

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

Price $1,072.99
Pricier than about 90% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model nameTUF GAMING X870-PLUS WIFI+R9 9950X
Processor
ChipsetAMD X870
Memory
Memory slot count4 × 288pin (DDR5)
Supported memoryDDR5 4400
Max supported RAM256 GB
Memory channelsDual Channel
ECC supportYes
BufferingUn-buffered
Storage
SATA and RAID support* AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/5/10 and SATA RAID 0/1. RAID 5 Funciton is only supportted by AMD Ryzen 9000 series CPU.
Audio & video
Audio chipRealtek ALC1220P 7.1 Surround Sound High Definition Audio CODEC
- Impedance sense for front and rear headphone outputs
- Internal audio Amplifier to enhance the highest quality sound for headphone and speakers
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- High quality 120 dB SNR stereo playback output and 113 dB SNR recording input (Line-in)
- Supports up to 32-Bit/192 kHz playback*
Audio Features
- Audio Shielding
- Premium audio capacitors
- Dedicated audio PCB layers
- Audio cover
- Unique de-pop circuit
* Due to limitations in HDA bandwidth, 32-Bit/192
Sound channels7.1 Channels
Ports & slots
PCIe 5.0 x16 slotsAMD Ryzen 9000 & 7000 Series Desktop Processors
1 x PCIe 5.0 x16 slot (supports x16 mode)
PCIe 4.0 x16 slotsAMD Ryzen 8000 Series Desktop Processors
1 x PCIe 4.0 x16 slot (supports x8/x4 mode)
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

Which CPU comes in this combo and what are its core specifications?

The combo includes an AMD Ryzen 9 9950X with 16 cores, 32 threads, a 5.7 GHz max boost clock, 64MB L3 cache, 16MB L2 cache, and DDR5-5600 support.

What does the 80A SPS power stage rating mean for the installed Ryzen 9 9950X?

The 16+2+1 phase design with 80A SPS power stages, 8-layer PCB, ProCool connectors, alloy chokes and durable capacitors delivers stable power for the 16-core CPU during heavy workloads and overclocking.

Which PCIe generation does the primary x16 slot and the first two M.2 slots use with this CPU?

With the Ryzen 9000 series processor installed, the primary PCIe x16 slot runs at 5.0 x16 and the first two M.2 slots (Key M, 2280) each support PCIe 5.0 x4 mode.

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