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Black ATX motherboard with grey heatsinks and CPU socket cover, boxed with Ryzen 9 9900X3D processor

ASUS

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

SKU CH-TFKJ-NKSYQ

ATX AM5 motherboard with 16+2+1 80A power stages, four DDR5 slots up to 256GB, two PCIe 5.0 M.2 slots, Wi-Fi 7, 2.5Gbps LAN, dual USB4 40Gbps Type-C.

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

Motherboard TUF GAMING X870E-PLUS WIFI7

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CPU + R9 9900X3D

  • Stable power for heavy workloads with 16+2+1 80A power stages
  • Ready for AI computing with Ryzen 9 9900X3D 12-core processor
  • Fast DDR5 memory up to 8000+ MT/s on four slots
  • Two PCIe 5.0 M.2 slots for high-speed storage
  • Wi-Fi 7 and 2.5Gb Ethernet for low-latency networking

AM5 Socket Combo for Ryzen 9000 Series

The bundle pairs an ASUS TUF GAMING X870E-PLUS WIFI7 motherboard with an AMD 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 want a ready-to-run platform for high-end gaming and AI workloads.

16+2+1 80A Power Stages and AI Controls

The motherboard delivers 16+2+1 80A power stages on an 8-layer PCB with 8+8 pin ProCool connectors, alloy chokes and durable capacitors. ASUS AI Overclocking, AI Cooling II, AI Networking II and AEMP firmware automate frequency, fan curves, traffic prioritisation and memory tuning. Two PCIe 5.0 M.2 slots and two PCIe 4.0 M.2 slots expand fast storage options.

PCIe 5.0 x16 and Wi-Fi 7 Limits

The primary PCIe 5.0 x16 slot runs at full speed only with Ryzen 9000 and 7000 series processors; Ryzen 8000 series drops it to PCIe 4.0 x8 or x4 mode. The second full-length slot is PCIe 4.0 x4 and the single x1 slot uses PCIe 3.0. Wi-Fi 7 (802.11 be) and 2.5Gbps Ethernet provide wireless and wired throughput ceilings.

How it compares

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

Price $1,054.99
Pricier than about 90% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model nameTUF GAMING 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

Will the 16+2+1 80A power stages or alloy chokes need replacement after long-term use?

The 16+2+1 80A power stages, alloy chokes and durable capacitors are built for stable delivery and do not have a scheduled replacement interval.

What limits the Ryzen 9 9900X3D first during sustained all-core workloads — the 120W TDP or the VRM thermal capacity?

The CPU operates at a 120W TDP and the motherboard uses an enlarged VRM heatsink with 8-layer PCB to handle that load continuously.

How loud or hot does the combo get when the 120W CPU and WiFi 7 run all day?

AI Cooling II adjusts hybrid fan headers based on VRM and M.2 temperatures while the 2.5Gbps LAN and WiFi 7 controllers add minimal extra heat.

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