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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

  • CPU Socket TypeAM5
  • CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD X870
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardDDR5 4400
  • Maximum Memory Supported192GB

Option 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.

Highlights

  • 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

Specifications

BrandASUS
ModelROG STRIX X870-A GAMING WIFI
Part Number90MB1IF0-M0AAY0
CPU Socket TypeAM5
CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
ChipsetAMD X870
Number of Memory Slots4x288pin (DDR5)
Memory StandardDDR5 4400
Maximum Memory Supported192GB
Channel SupportedDual Channel
Memory Performance ProfileAMD EXPO
ECC SupportedYes
Buffer SupportedUn-buffered
Memory FeatureSupports up to 8000+MT/s(OC) with Ryzen 9000 & 8000 & 7000 Series Processors, ECC and Non-ECC, Un-buffered Memory*
Dual 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)
Serial ATA (SATA)2 x SATA 6Gb/s
M.2AMD Ryzen 9000 & 7000 Series Desktop Processors*
M.2_1 slot (Key M), type 2242/2260/2280 (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 2242/2260/2280 (supports PCIe 4.0 x4/x2 mode)****
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 shares bandwidth with PCIEX16(G5). When M.2_2 is occupied with SSD device, PCIEX16(G5) will run x8 only.
*** M.2_3 shares bandwidth wi
SATA RAID* 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 ChipsetROG 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
Audio Channels7.1 Channels
Max LAN Speed2.5Gbps
Wireless LANWi-Fi 802.11 be
BluetoothBluetooth 5.4
Back I/O Ports2 x USB4 (40Gbps) ports (2 x USB Type-C with DP Alt mode)
6 x USB 10Gbps port(s) (5 x Type-A + 1 x USB Type-C with up to 30W PD Fast-charge)
4 x USB 5Gbps port(s) (4 x Type-A)
1 x DisplayPort
1 x HDMI port
1 x Wi-Fi module
1 x Intel 2.5Gb Ethernet
2 x Audio jacks
1 x Optical S/PDIF out port
1 x BIOS FlashBack button
1 x Clear CMOS button
Onboard USB1 x USB 20Gbps connector (supports USB Type-C)
2 x USB 5Gbps headers support 4 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(s)
1 x 4-pin CPU OPT Fan header(s)
1 x 4-pin AIO Pump header(s)
5 x 4-pin Chassis Fan header(s)
Miscellaneous
3 x Addressable Gen 2 headers
1 x Alteration PCIe mode switch
1 x Chassis Intrusion header
1 x CPU Over voltage jumper
1 x Front Panel Audio header (F_AUDIO)
1 x Start button
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 connector
BIOS Feature256 Mb Flash ROM, UEFI AMI BIOS
Windows 11Supported
FeaturesExtreme Engine Digi+
- 5K Black metallic capacitors
ASUS Q-Design
- M.2 Q-Latch
- M.2 Q-Release
- M.2 Q-Slide
- PCIe Slot Q-Release Slim (with PCIe SafeSlot)
- Q-Antenna
- Q-DIMM
- Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
- Q-Slot
ASUS Thermal Solution
- M.2 heatsink backplate
- M.2 heatsink
ASUS EZ DIY
- BIOS FlashBack button
- BIOS FlashBack LED
- Clear CMOS button
- ProCool II
- Pre-mounted I/O shield
- SafeSlot
- SafeDIMM
Aura Sync
- Addressable Gen 2 header(s)
Package ContentsCables
2 x SATA 6Gb/s cables
Additional Cooling Kit
1 x Thermal pad for M.2 22110
Miscellaneous
1 x ASUS WiFi Q-Antenna
1 x Cable ties package
1 x M.2 Q-Latch package
1 x M.2 Q-Slide package
1 x ROG key chain
1 x ROG Strix stickers
4 x M.2 rubber packages
Documentation
1 x Quick start guide
Shipping weight2.52 kg
Package size356 × 279 × 76 mm

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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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