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ASUS

ASUS TUF GAMING X870-PRO WIFI7 W NEO + Ryzen 9 9900X3D Combo

SKU CH-0EVH-CYJT8

A pre-paired AMD X870 motherboard and 12-core Ryzen 9 9900X3D CPU with 128MB L3 cache, 16+2+1 80A power stages, four DDR5 slots up to 256GB, four M.2 sockets, PCIe 5.0 graphics slot.

  • ChipsetAMD X870
  • South BridgeAMD X870
  • Number of Memory Slots4x288pin (DDR5)
  • Maximum Memory Supported256GB
  • Channel SupportedDual Channel
  • Memory Performance ProfileAMD EXPO / Intel XMP / ASUS AEMP
  • Ready for advanced AI PCs with AMD AM5 socket supporting Ryzen 9000 series processors
  • Robust 16+2+1 80A power stages on 8-layer PCB for stable overclocking
  • Elite memory performance via NitroPath RAM, DIMM Fit Pro and AEMP up to 256GB DDR5
  • PCIe 5.0 optimisation with four M.2 slots plus USB4 40Gbps and WiFi7 connectivity
  • AMD Ryzen 9 9900X3D 12-core CPU with 128MB L3 cache and integrated Radeon graphics

Ready for advanced AI PCs

This motherboard and CPU combo targets builders who want a platform prepared for demanding AI workloads. The AMD X870 chipset supports Ryzen 9000, 8000 and 7000 series processors. The included Ryzen 9 9900X3D brings 12 cores built on TSMC 4nm FinFET Granite Ridge Zen 5 architecture with a 120W TDP.

Robust power and connectivity

The board uses a 16+2+1 80A SPS power stage design on an 8-layer PCB with 8+8 pin ProCool connectors. Four M.2 slots accept PCIe 5.0 x4 and PCIe 4.0 x4 drives, while two SATA 6Gb/s ports handle additional storage. Networking includes WIFI7 and 5Gb Ethernet, plus USB4 at 40Gbps and a 20Gbps USB-C port with 30W power delivery.

Practical limits of the AM5 platform

Maximum memory capacity is 256GB across four 288-pin DDR5 slots running dual channel with AMD EXPO, Intel XMP and ASUS AEMP profiles. The CPU provides 128MB L3 cache and 12MB L2 cache alongside integrated AMD Radeon Graphics. A 64MB BIOS chip stores firmware, and the board offers 7.1 channel audio via Realtek ALC1220P.

Highlights

  • Ready for advanced AI PCs with AMD AM5 socket supporting Ryzen 9000 series processors
  • Robust 16+2+1 80A power stages on 8-layer PCB for stable overclocking
  • Elite memory performance via NitroPath RAM, DIMM Fit Pro and AEMP up to 256GB DDR5
  • PCIe 5.0 optimisation with four M.2 slots plus USB4 40Gbps and WiFi7 connectivity
  • AMD Ryzen 9 9900X3D 12-core CPU with 128MB L3 cache and integrated Radeon graphics

Specifications

BrandASUS
ModelTUF GAMING X870PRO WIFI7 WNEO+R9 9900X3D
ChipsetAMD X870
South BridgeAMD X870
Number of Memory Slots4x288pin (DDR5)
Maximum Memory Supported256GB
Channel SupportedDual Channel
Memory Performance ProfileAMD EXPO / Intel XMP / ASUS AEMP
ECC SupportedYes
Buffer SupportedUn-buffered
PCI Express 5.0 x161 x PCI Express 5.0 x16
PCI Express 4.0 x162 x PCI Express 4.0 x16
PCI Express x162 x PCI Express x16
PCI Express x41 x PCI Express x4
Serial ATA (SATA)2 x SATA 6Gb/s
M.24 x M.2 (Support PCIe 5.0 x4 & PCIe 4.0 x4)
SATA RAID0/1/5/10
Onboard Video ChipsetDepends on AMD Ryzen Series Processor with Integrated Graphics
Audio ChipsetRealtek ALC1220P
Audio Channels7.1 Channels
LAN ChipsetRealtek 5Gb
Max LAN Speed5Gbps
Wireless LANWi-Fi 802.11 be
BluetoothYes
Back I/O Ports2 x USB4 (40Gbps) Type-C, 3 x USB 10Gbps Type-A, 4 x USB 5Gbps Type-A, 1 x USB 2.0 Type-A, 1 x HDMI, 1 x Wi-Fi module, 1 x Realtek 5Gb Ethernet port, 3 x Audio jacks, 1 x BIOS FlashBack button, 1 x Clear CMOS button
COM1
Video PortsHDMI + 2 x USB Type-C
HDMI1 x HDMI port
RJ451 x RJ45
USB 3.13 x USB 3.1
USB 3.06 x USB 3.0
USB 1.1/2.01 x USB 2.0
USB Type-C2 x USB Type-C port, with USB4 (40Gbps) support
S/PDIF OutYes
Audio Ports3 Ports
Onboard USB1 x USB Type-C header, with USB 3.2 Gen 2x2 + 1 x USB 3.2 Gen 1 header + 3 x USB 2.0 headers
Form FactorATX
LED LightingRGB
Dimensions (W x L)12 inch x 9.6 inch
Power Pin24 Pin
Windows 11Supported

Other versions of this model

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Questions about this item

Will the 120W Ryzen 9 9900X3D run stably on the 16+2+1 80A power stages?

The 16+2+1 phase design uses 80A SPS power stages on an 8-layer PCB with dual 8-pin ProCool connectors, built to deliver clean current for the 120W Zen 5 CPU under sustained loads.

Can I install four DDR5 modules up to 256GB total and use EXPO or AEMP profiles?

Four 288-pin slots support up to 256GB in dual-channel mode with AMD EXPO, Intel XMP and ASUS AEMP profiles for automatic timing configuration.

How many PCIe 5.0 M.2 drives can I add without sharing bandwidth with the graphics card?

The board provides four M.2 slots; two operate at PCIe 5.0 x4 and two at PCIe 4.0 x4, while the primary GPU slot remains a full PCIe 5.0 x16 link.

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