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Black ATX motherboard with large silver heatsinks, installed CPU and four DDR5 slots visible

ASUS

ASUS TUF GAMING X870-PLUS WIFI AM5 ATX Motherboard & AMD Ryzen 9 9950X3D CPU Combo

SKU CH-898G-Y4MYZ

AM5 ATX board with 16+2+1 80A power stages, four M.2 slots, dual USB4 40Gbps, Wi-Fi 7, 2.5Gb LAN and bundled 16-core Ryzen 9 9950X3D with 128MB L3 cache

  • ChipsetAMD X870
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardDDR5 4400
  • Maximum Memory Supported256GB
  • Channel SupportedDual Channel
  • ECC SupportedYes

Motherboard TUF GAMING X870-PLUS WIFI

CPU + R9 9950X3D

  • Stable power delivery with 16+2+1 80A SPS stages
  • Four M.2 slots including two PCIe 5.0 x4 for fast storage
  • Wi-Fi 7 and 2.5Gb LAN for high-speed networking
  • Dual USB4 40Gbps Type-C ports plus front 20Gbps USB-C with 30W PD
  • 128MB L3 cache and Radeon graphics on 170W Zen 5 CPU

Motherboard and CPU Combo

This package pairs the ASUS TUF GAMING X870-PLUS WIFI motherboard with the AMD Ryzen 9 9950X3D processor. The board uses the AMD X870 chipset and AM5 socket to support Ryzen 9000, 8000 and 7000 series CPUs. It targets builders who want a single validated platform for gaming and heavy workloads. The CPU delivers 16 cores with 128MB L3 cache and integrated Radeon graphics.

Power Stages and AI Controls

The 16+2+1 80A SPS power stages, 8-layer PCB and ProCool connectors deliver stable current to the 170W processor. ASUS AI Overclocking, AI Cooling II and AEMP automate frequency, fan curves and memory tuning. Dynamic OC Switcher, Core Flex and PBO Enhancement give manual headroom for advanced users. Massive heatsinks cover the two PCIe 5.0 and two PCIe 4.0 M.2 slots.

Connectivity Limits

Dual USB4 40Gbps Type-C ports and a front USB 20Gbps header with 30W power delivery share total bandwidth across attached devices. Wi-Fi 7 and Realtek 2.5Gb Ethernet provide wireless and wired network options. Four DDR5 slots accept up to 256GB at 4400 MT/s in dual-channel mode with ECC support. The PCIe 5.0 x16 slot runs at x16 with Ryzen 9000 and 7000 CPUs, but drops to x8 or x4 with Ryzen 8000 series.

Highlights

  • Stable power delivery with 16+2+1 80A SPS stages
  • Four M.2 slots including two PCIe 5.0 x4 for fast storage
  • Wi-Fi 7 and 2.5Gb LAN for high-speed networking
  • Dual USB4 40Gbps Type-C ports plus front 20Gbps USB-C with 30W PD
  • 128MB L3 cache and Radeon graphics on 170W Zen 5 CPU

Specifications

BrandASUS
ModelTUF GAMING X870-PLUS WIFI+R9 9950X3D
ChipsetAMD X870
Number of Memory Slots4x288pin (DDR5)
Memory StandardDDR5 4400
Maximum Memory Supported256GB
Channel SupportedDual Channel
ECC SupportedYes
Buffer SupportedUn-buffered
Memory FeatureDual channel memory architecture
Supports AMD Extended Profiles for Overclocking (EXPO)
ASUS Enhanced Memory Profile (AEMP)
* Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.
PCI Express 5.0 x16AMD Ryzen 9000 & 7000 Series Desktop Processors
1 x PCIe 5.0 x16 slot (supports x16 mode)
PCI Express 4.0 x16AMD Ryzen 8000 Series Desktop Processors
1 x PCIe 4.0 x16 slot (supports x8/x4 mode)
M.2AMD 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 2280 (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 not support
AMD X870 Chipset
M.2_3 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)
M.2_4 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode)***
** The PCIEX16(G5) shares bandwidth with M.2_2. The PCIEX16(G5) will run to x8 mode when M.2_2 runs.
*** The PCIEX16(G4) shares bandwidth with M.2_4.
SATA RAID* 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 ChipsetRealtek 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
Audio Channels7.1 Channels
Back I/O Ports2 x USB4 (40Gbps) (2 x USB Type-C)
3 x USB 10Gbps ports (3 x Type-A)
4 x USB 5Gbps ports (4 x Type-A)
1 x USB 2.0 port (1 x Type-A)
1 x HDMI port
1 x Wi-Fi module
1 x Realtek 2.5Gb Ethernet port
5 x Audio jacks
1 x BIOS FlashBack button
Onboard USB1 x USB 20Gbps connector (supports USB Type-C with up to 30W PD Fast-charge )
1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
Other ConnectorsFan and Cooling Related
1 x 4-pin CPU Fan header
1 x 4-pin CPU OPT Fan header
1 x 4-pin AIO Pump header
4 x 4-pin Chassis Fan headers
1 x W_PUMP+ header
Miscellaneous
3 x Addressable Gen 2 headers
1 x Clear CMOS header
1 x Chassis Intrusion header
1 x COM Port header
1 x Front Panel Audio header (F_AUDIO)
1 x 10-1 pin System Panel header
1 x Thermal Sensor header
Form FactorATX
Dimensions (W x L)12.0" x 9.6"
Power Pin1 x 24-pin Main Power connector
2 x 8-pin +12V CPU Power connectors
BIOS Feature256 Mb Flash ROM, UEFI AMI BIOS
Windows 11Supported
FeaturesASUS TUF PROTECTION
- DIGI+ VRM (- Digital power design with SPS)
- ESD Guards
- TUF LANGuard
- Overvoltage protection
- SafeSlot
- Stainless-steel back I/O
ASUS Q-Design
- M.2 Q-Latch
- PCIe Slot Q-Release
- Q-Antenna
- Q-Dashboard
- Q-DIMM
- Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
- Q-Slot
ASUS Thermal Solution
- M.2 heatsink
- VRM heatsink design
ASUS EZ DIY
- BIOS FlashBack button
- BIOS FlashBack LED
- ProCool
- Pre-mounted I/O shield
- SafeDIMM
Aura Sync
- Addressable Gen 2 headers
Front Panel USB 20Gbps with PD Fast Charge Support
- Support: u
Package Contents1 x AMD Ryzen 9 9950X3D CPU
Cables
2 x SATA 6Gb/s cables
Miscellaneous
1 x ASUS WiFi Q-Antenna
2 x M.2 rubber packages
1 x Screw package for M.2 SSD
1 x TUF GAMING sticker
Documentation
1 x TUF certification card
1 x Quick start guide

Other versions of this model

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Questions about this item

Will the four M.2 slots fit standard 2280 drives and which run at PCIe 5.0 speeds?

Two M.2 slots support PCIe 5.0 x4 and two support PCIe 4.0 x4; all accept 2280 form-factor drives and include large heatsinks.

Does the 170 W CPU require a special cooler or power connector?

The board uses ProCool connectors and 80 A power stages; pair the CPU with a quality AM5 cooler rated for 170 W TDP.

Can I run 256 GB of DDR5 4400 in four modules with ECC?

Yes — four 288-pin slots support up to 256 GB dual-channel DDR5 4400 with non-ECC un-buffered modules that provide on-die ECC.

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