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ATX motherboard with white and silver heatsinks, black PCB, large VRM covers, four DDR5 slots, multiple M.2 shields

ASUS

ASUS ROG STRIX X870-A GAMING WIFI AMD motherboard 16+2+2 power stages Dynamic OC Switcher

SKU CH-BECE-8CVZY

AMD AM5 ATX board with 16+2+2 90A power stages, Dynamic OC Switcher, AI overclocking, dual PCIe 5.0 M.2 slots, USB4 and WiFi 7

  • 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
  • Ready for AI workloads with power and connectivity for demanding applications
  • Supports Ryzen 7000 8000 and 9000 series processors on AM5 socket
  • AI Overclocking AI Cooling II AI Networking and AEMP simplify setup and boost performance
  • 16+2+2 power stages rated 90A with dual ProCool II connectors for multi-core stability
  • Four M.2 slots including two PCIe 5.0 and two PCIe 4.0 all with substantial cooling

X870 ATX Motherboard for AM5 Ryzen

The ASUS ROG STRIX X870-A GAMING WIFI is an ATX motherboard built around the AMD X870 chipset and AM5 socket. It supports Ryzen 7000, 8000 and 9000 series processors with a 16+2+2 power stage design rated for 90A per stage. Dual ProCool II connectors and alloy chokes deliver stable current for multi-core workloads.

Suits AI and high-speed storage builds.

This board targets enthusiasts assembling advanced AI PCs or high-throughput workstations. Four M.2 slots — two PCIe 5.0 and two PCIe 4.0 — plus dual USB4 Type-C and a USB 20Gbps front-panel connector provide abundant bandwidth. Builders using smaller chassis or older Ryzen CPUs should consider a different form factor or chipset.

Verify AM5 cooler clearance and DDR5 EXPO memory

Before ordering, confirm your CPU cooler fits the AM5 socket keep-out zone and that your case accommodates a full-size ATX board. The four 288-pin DDR5 slots support up to 192GB and speeds beyond 8000 MT/s with EXPO modules. Ensure your power supply provides dual 8-pin CPU connectors for the ProCool II headers.

Highlights

  • Ready for AI workloads with power and connectivity for demanding applications
  • Supports Ryzen 7000 8000 and 9000 series processors on AM5 socket
  • AI Overclocking AI Cooling II AI Networking and AEMP simplify setup and boost performance
  • 16+2+2 power stages rated 90A with dual ProCool II connectors for multi-core stability
  • Four M.2 slots including two PCIe 5.0 and two PCIe 4.0 all with substantial cooling

Specifications

BrandASUS
SeriesROG STRIX X870-A GAMING WIFI
Model90MB1IF0-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
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

Questions about this item

Which DDR5 memory speed and capacity does the board support out of the box?

The board runs DDR5 at 4400 MT/s natively and accepts up to 192 GB across four 288-pin slots in dual-channel mode.

Will my existing PCIe 4.0 graphics card run at full speed in the primary x16 slot?

With a Ryzen 9000 or 7000 series CPU the primary slot operates at PCIe 5.0 x16; a PCIe 4.0 card will run at its native 4.0 x16 speed without bottleneck.

How can I verify the 16+2+2 power stages are active after assembly?

Enter the UEFI and open the AI Overclocking or Hardware Monitor section; it reports real-time current on each of the 90 A stages, confirming the VRM is delivering power.

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