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ATX motherboard with white heatsinks and black PCB

ASUS

ASUS ROG STRIX X870-A GAMING WIFI AMD motherboard

SKU CH-CEHX-EBWCD MPN ROG STRIX X870-A GAMING WIFI

ATX board for AM5 Ryzen 7000, 8000 and 9000 CPUs with 16+2+2 power stages, four DDR5 slots up to 192 GB, two PCIe 5.0 M.2 slots, WiFi 7 and dual USB4 ports

  • ProcessorRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD X870
  • Form factorATX
  • CPU socketAM5
  • Memory slot count4 × 288pin (DDR5)
  • Supported memoryDDR5 4400

Model ROG STRIX X870-A GAMING WIFI

  • Supports Ryzen 7000, 8000 and 9000 series processors with AM5 socket
  • 16+2+2 power stages rated 90A deliver stable power for multi-core CPUs
  • Two PCIe 5.0 M.2 slots and two PCIe 4.0 M.2 slots with substantial cooling
  • Dual USB4 Type-C ports plus USB 20Gbps front-panel connector for fast peripherals
  • AI Overclocking, AI Cooling II and AI Networking simplify setup and boost performance

AM5 X870 ATX motherboard for Ryzen 7000.

This ASUS ROG STRIX X870-A GAMING WIFI motherboard pairs the AMD X870 chipset with an AM5 socket to support Ryzen 7000, 8000 and 9000 series desktop processors. It delivers a 16+2+2 power stage design rated for 90A per stage, dual ProCool II connectors and AI overclocking, cooling and networking tools. The board targets enthusiasts building high-performance systems for gaming or AI workloads.

Suited to DDR5 memory up to 8000 MT/s

Builders who want dual-channel DDR5 memory running up to 8000 MT/s via AMD EXPO or AEMP profiles, plus two PCIe 5.0 x4 M.2 slots and two PCIe 4.0 M.2 slots, will find the feature set matches their needs. The single PCIe 5.0 x16 slot operates at x16 with Ryzen 9000 or 7000 CPUs but drops to x8 or x4 with Ryzen 8000 series, so users planning a Ryzen 8000 build should check GPU bandwidth requirements. WiFi 7 and dual USB4 Type-C ports complete the connectivity.

PCIe 5.0 x16 slot mode depends on the Ryzen series

The top expansion slot runs at PCIe 5.0 x16 with Ryzen 9000 and 7000 processors, yet switches to PCIe 4.0 x8 or x4 when a Ryzen 8000 series CPU is fitted. This single specification decides whether the board delivers full GPU bandwidth for a given processor choice.

How it compares

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

Price $213.99
Typical for this category: the median of 1,906 items is $224.49.

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Specifications

Product
Brand nameASUS
Model nameROG STRIX X870-A GAMING WIFI
Part number90MB1IF0-M0AAY0
Processor
ProcessorRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
CPU socketAM5
ChipsetAMD X870
Memory
Memory slot count4 × 288pin (DDR5)
Supported memoryDDR5 4400
Max supported RAM192 GB
Memory channelsDual Channel
Memory profilesAMD EXPO
ECC supportYes
BufferingUn-buffered
Storage
SATA ports2 x SATA 6Gb/s
SATA and RAID support* AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/5/10 and SATA RAID 0/1/5/10. RAID 5 Function is only supported by AMD Ryzen™ 9000 series CPU.
Audio & video
Audio chipROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4080*
- Impedance sense for front and rear headphone outputs
- Supports: Jack-detection, Multi-streaming, Front Panel MIC Jack-retasking
- High quality 120 dB SNR stereo playback output and 110 dB SNR recording input
- Supports up to 32-Bit/384 kHz playback on front panel
Audio Features
- SupremeFX Shielding Technology
- Savitech SV3H712 AMP
- Rear optical S/PDIF out port
- Premium audio capacitors
- Audio cover
* The LINE OUT port on the rear panel does not support spatial audio. If you wish to use spatial audio, make s
Sound channels7.1 Channels
Connectivity
Maximum network speed2.5 Gbit/s
Wi-Fi standardWi-Fi 802.11 be
Bluetooth support5.4
Ports & slots
PCIe 5.0 x16 slotsAMD Ryzen 9000 & 7000 Series Desktop Processors
1 x PCIe 5.0 x16 slot (supports x16 mode)
PCIe 4.0 x16 slotsAMD Ryzen 8000 Series Desktop Processors
1 x PCIe 4.0 x16 slot (supports x8/x4 mode)
Onboard USB headers1 x USB 20 Gbit/s connector (supports USB Type-C)
2 x USB 5 Gbit/s headers support 4 additional USB 5 Gbit/s ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
Power
Power connectors1 × 24-pin Main Power connector
2 × 8-pin +12 V CPU Power connector
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
Shipping weight2.52 kg
Package size356 × 279 × 76 mm
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

What case clearance does the 16+2+2 power stage heatsink on this X870 board require?

The board uses a standard ATX form factor; any case that fits ATX will accommodate the heatsink and the dual ProCool II power connectors.

Which screw size secures a 2280 drive in the PCIe 5.0 M.2_1 slot, and what step is often missed?

A single M2 screw holds the drive; the step many miss is removing the pre-installed heatsink plate before inserting the module.

When should the ROG SupremeFX ALC4080 audio codec capacitors be inspected for wear?

The onboard audio capacitors are solid polymer and rated for long life; no scheduled replacement is expected under normal use.

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