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ATX motherboard with black heatsinks and grey PCB plus Ryzen 9 9900X CPU in plastic tray

ASUS

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

SKU CH-9NPC-3JDZT

Pairs a 12-core Ryzen 9 9900X with an X870E board offering 16+2+1 80A power stages, four M.2 slots, WiFi 7 and dual USB4 ports

  • 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 9900X

  • 12 cores and 24 threads for heavy multitasking with Zen 5 architecture
  • 16+2+1 80A power stages deliver stable CPU voltage under load
  • DDR5 memory up to 8000+ MT/s overclocked for faster data throughput
  • Two PCIe 5.0 M.2 slots enable high-speed storage expansion
  • Wi-Fi 7 plus 2.5Gb Ethernet and USB4 40Gbps for low-latency networking

Combo for AM5 builds

This bundle pairs the ASUS TUF GAMING X870E-PLUS WIFI7 motherboard with the AMD Ryzen 9 9900X processor. The CPU delivers 12 cores and 24 threads on the Zen 5 architecture with a 5.6 GHz maximum boost frequency. The board uses the AMD X870E chipset and AM5 socket to support Ryzen 9000, 8000 and 7000 series processors. It targets enthusiasts who want a high-core-count platform with modern connectivity.

Sustained power delivery

The motherboard employs 16+2+1 80A power stages on an 8-layer PCB with 8+8 pin ProCool connectors, alloy chokes and durable capacitors. This design aims to maintain stable voltage for the 9900X during prolonged multi-threaded workloads. Enlarged VRM, M.2 and PCH heatsinks work with hybrid fan headers and Fan Xpert 4 plus AI Cooling II to manage thermals over extended sessions.

Interface practical limits

The platform provides one PCIe 5.0 x16 slot for graphics with Ryzen 9000 and 7000 CPUs, while Ryzen 8000 CPUs operate the slot at PCIe 4.0 x16. Two M.2 slots support PCIe 5.0 x4 and two support PCIe 4.0 x4, with Key M 2280, 2242, 2260 and 22110 form factors. Rear I/O includes two USB4 40Gbps Type-C ports, a front USB 20Gbps Type-C header with 30W power delivery, Realtek 2.5Gbps Ethernet and Wi-Fi 7 (802.11 be).

How it compares

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

Price $866.99
Pricier than about 81% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model nameTUF GAMING X870E-PLUS WIFI7+R9 9900X
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

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Questions about this item

How loud and hot does the 16+2+1 80A power-stage VRM get when the Ryzen 9 9900X runs all day?

The enlarged VRM heatsink, alloy chokes and 8-layer PCB are designed to keep the 16+2+1 80A power stages cool and quiet under sustained load, while AI Cooling II adjusts fan curves automatically.

Which DDR5 memory kit do I need to have on hand before this combo will post?

You need a DDR5 un-buffered DIMM kit up to 256 GB across the four 288-pin slots; the board supports speeds up to 8000+ MT/s via EXPO or AEMP profiles.

Will my existing PCIe 4.0 graphics card and SATA SSDs work at full speed in the PCIe 5.0 x16 slot and the four SATA 6Gb/s ports?

Yes — the PCIe 5.0 x16 slot is backward compatible with PCIe 4.0 GPUs at x16 speed, and all four SATA ports deliver 6 Gb/s regardless of the CPU generation installed.

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