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ATX motherboard with large VRM heatsinks, four DDR5 slots, multiple M.2 heatsinks, rear I/O with USB-C ports

ASUS

ASUS TUF GAMING X870E-PLUS WIFI7 AMD motherboard & Ryzen 9 9900X3D CPU combo

SKU CH-N6J5-RBZJ3

Pairs a 16+2+1 80A power stage X870E board with a 120W 12-core Zen 5 CPU featuring 128MB L3 cache and Radeon graphics, plus Wi-Fi 7 and dual USB4 40Gbps ports

  • CPU socketAM5
  • ChipsetAMD X870E
  • Form factorATX
  • Memory slot count4 × 288pin (DDR5)
  • Supported memorySupports up to 8000+MT/s (OC)
  • Max supported RAM256 GB

Model TUF GAMING X870E-PLUS WIFI7

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CPU + Ryzen 9 9900X3D

  • Stable power delivery with 16+2+1 80A power stages
  • 128MB L3 cache accelerates gaming and heavy workloads
  • Wi-Fi 7 and 2.5Gbps Ethernet for ultrafast networking
  • Two PCIe 5.0 M.2 slots enable high-speed storage
  • DDR5 up to 8000+MT/s with AEMP support

Ready for Advanced AI PC

This combo pairs the ASUS TUF GAMING X870E-PLUS WIFI7 motherboard with the Ryzen 9 9900X3D processor. The board uses the AMD X870E chipset and AM5 socket to support Ryzen 9000, 8000 and 7000 series CPUs. It targets builders who need high core counts and large cache for AI workloads and gaming.

Installation notes

The ATX board fits standard chassis and uses 8+8 pin ProCool connectors for clear power routing. Four 288-pin DDR5 slots accept up to 256GB of memory with AEMP and EXPO profiles for simpler tuning. Two PCIe 5.0 M.2 slots and two PCIe 4.0 M.2 slots share bandwidth with the CPU, so populate M.2_1 first to avoid lane conflicts. Rear USB4 40Gbps Type-C and front USB 20Gbps Type-C with 30W PD require correct header alignment.

Sustained load behaviour

The 16+2+1 80A power stages on an 8-layer PCB deliver stable current to the 120W Zen 5 CPU with 128MB L3 cache. Enlarged VRM, M.2 and PCH heatsinks combine with Fan Xpert 4 and AI Cooling II to manage thermals during long compile or inference runs. Realtek 2.5Gb Ethernet and Wi-Fi 7 maintain consistent throughput when transferring large datasets.

How it compares

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

Price $1,237.99
Pricier than about 91% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model nameTUF GAMING X870E-PLUS WIFI7+R9 9900 × 3D
Processor
CPU socketAM5
ChipsetAMD X870E
Memory
Memory slot count4 × 288pin (DDR5)
Supported memorySupports up to 8000+MT/s (OC)
Max supported RAM256 GB
Memory channelsDual Channel
ECC supportYes
BufferingUn-buffered
Storage
SATA ports4 x SATA 6Gb/s
M.2 slotsAMD Ryzen 9000 & 7000 Series Desktop Processors
M.2_1 slot (Key M), type 2280 (supports PCIe 5.0 x4 mode)
M.2_2 slot (Key M), type 2242/2260/2280/22110 (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)
M.2_2 slot is not supported
AMD X870 Chipset
M.2_3 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)
M.2_4 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)
** M.2_2 slot shares bandwidth with PCIex16(G5)_1 When M.2_2 runs at PCIe x4 mode, PCIex16(G5)_1 will run x8.
SATA and RAID supportAMD RAIDXpert2 Technology
Ryzen 9000 Series Processors: RAID 0/1/5/10
Ryzen 8000 Series Processors: RAID 0/1
Ryzen 7000 Series Processors: RAID 0/1/10
Audio & video
Sound channelsRealtek 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/19
Connectivity
Maximum network speed2.5 Gbit/s
Wi-Fi standardWi-Fi 802.11 be
Bluetooth supportYes
Ports & slots
PCIe 5.0 x16 slotsAMD Ryzen 9000 & 7000 Series Desktop Processors
1 x PCIe 5.0 x16 slot
AMD Ryzen 8000 Series Desktop Processors
1 x PCIe 4.0 x16 slot (supports x8/x4 mode)
PCIe 4.0 x16 slots1 x PCIe 4.0 x16 slot (supports x4 mode)
PCIe x1 slots1 x PCIe 3.0 x1 Slot
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

How do I confirm the 16+2+1 80A power stages and AI Overclocking are active after building with the Ryzen 9 9900X3D?

Enter the UEFI and verify the 16+2+1 80A power-stage count is shown on the hardware monitor page; enable AI Overclocking in the AI Tweaker section and watch the AI Cooling II fan-curve adjust automatically during a stress test.

What comes in the combo box and which DDR5 memory must I buy separately?

The combo includes the TUF GAMING X870E-PLUS WIFI7 motherboard and the Ryzen 9 9900X3D processor; you must purchase DDR5 DIMMs separately — the board has four 288-pin slots supporting up to 256 GB dual-channel at 8000+ MT/s with EXPO and AEMP profiles.

Which M.2 slot should I choose for a PCIe 5.0 x4 drive versus a PCIe 4.0 drive on this X870E board?

Use M.2_1 or M.2_2 (Key M, 2280) for PCIe 5.0 x4 drives with Ryzen 9000 or 7000 series CPUs; the remaining two M.2 slots operate at PCIe 4.0 x4 and accept 2242/2260/2280/22110 form factors.

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