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ATX motherboard with large grey heatsinks and AM5 socket, paired with Ryzen 9 9900X3D CPU

ASUS

ASUS TUF GAMING X870-PLUS WIFI AM5 AMD Motherboard & Ryzen 9 9900X3D CPU Combo

SKU CH-77W1-3JN4J

Socket AM5 motherboard and Ryzen 9 9900X3D combo with 16+2+1 80A power stages, four M.2 slots, Wi-Fi 7, 2.5Gb LAN, dual USB4 40Gbps and DDR5 256GB support

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

model TUF GAMING X870-PLUS WIFI

+CPU + Ryzen 9 9900X3D

  • Stable delivery for heavy workloads with 16+2+1 80A SPS power stages
  • Simplified tuning via AI Overclocking, AI Cooling II and AEMP
  • Four M.2 slots including two PCIe 5.0 x4 for fast storage
  • Wi-Fi 7, 2.5Gb LAN and dual USB4 40Gbps for high-speed I/O
  • 12-core CPU with 128MB L3 cache and integrated Radeon graphics

Combo ready for AI workloads

The bundle pairs an ASUS TUF GAMING X870-PLUS WIFI motherboard with an AMD Ryzen 9 9900X3D processor. The board uses the AMD X870 chipset and AM5 socket, supporting Ryzen 9000, 8000 and 7000 series CPUs. Four DDR5 slots accept up to 256 GB of memory at 4400 MT/s with dual-channel operation and EXPO profiles. The 12-core CPU brings 128 MB of L3 cache, 12 MB of L2 cache and integrated Radeon graphics within a 120 W envelope.

PCIe 5.0 and USB4 set the ceiling

A single PCIe 5.0 x16 slot runs at x16 with Ryzen 9000 and 7000 processors, dropping to x8 or x4 with 8000 series chips. Two M.2 slots operate at PCIe 5.0 x4 and two more at PCIe 4.0 x4, all Key M 2280. Rear I/O includes two USB4 ports at 40 Gbps, three USB 10 Gbps Type-A, four USB 5 Gbps Type-A and one USB 2.0 port. Networking uses Wi-Fi 7 and a Realtek 2.5 Gb Ethernet controller, while audio runs through a Realtek ALC1220P 7.1 codec.

Power delivery built for sustained loads

The VRM uses a 16+2+1 phase design with 80 A SPS stages on an eight-layer PCB, fed by ProCool connectors, alloy chokes and durable capacitors. Cooling headers include a 4-pin CPU fan, CPU OPT, AIO pump, four chassis fans and a dedicated W_PUMP+ header. Three addressable Gen 2 headers drive RGB strips. Front-panel USB gains a 20 Gbps Type-C connector with 30 W power delivery plus a 5 Gbps header and two USB 2.0 headers. SATA 6 Gbps ports remain available alongside the M.2 array.

Highlights

  • Stable delivery for heavy workloads with 16+2+1 80A SPS power stages
  • Simplified tuning via AI Overclocking, AI Cooling II and AEMP
  • Four M.2 slots including two PCIe 5.0 x4 for fast storage
  • Wi-Fi 7, 2.5Gb LAN and dual USB4 40Gbps for high-speed I/O
  • 12-core CPU with 128MB L3 cache and integrated Radeon graphics

Specifications

BrandASUS
ModelTUF GAMING X870-PLUS WIFI+R9 9900X3D
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 9900X3D CPU
1 x Shin-Etsu X-23-7921-5 (1.8g)
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 included Ryzen 9 9900X3D run on this board without a BIOS update?

The combo ships with the CPU already paired to the X870 chipset, so the processor is supported out of the box for the AM5 socket.

How many PCIe 5.0 M.2 drives can I install and are they heatsinked?

Two M.2 slots operate at PCIe 5.0 x4 and both are covered by large onboard heatsinks.

What memory speed does the board guarantee without manual tuning?

The default DDR5 standard is 4400 MT/s; higher speeds need EXPO or AEMP profiles enabled in BIOS.

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