ASUS
ASUS ROG STRIX X870-A GAMING WIFI AMD motherboard 16+2+2 power stages Dynamic OC Switcher
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.
Points forts
- 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
Caractéristiques
| Brand | ASUS |
|---|---|
| Series | ROG STRIX X870-A GAMING WIFI |
| Model | 90MB1IF0-M0AAY0 |
| CPU Socket Type | AM5 |
| CPU Type | Ryzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series |
| Chipset | AMD X870 |
| Number of Memory Slots | 4x288pin (DDR5) |
| Memory Standard | DDR5 4400 |
| Maximum Memory Supported | 192GB |
| Channel Supported | Dual Channel |
| ECC Supported | Yes |
| Buffer Supported | Un-buffered |
| Memory Feature | Supports 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 x16 | AMD Ryzen 9000 & 7000 Series Desktop Processors 1 x PCIe 5.0 x16 slot (supports x16 mode) |
| PCI Express 4.0 x16 | AMD 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.2 | AMD 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 Chipset | ROG 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 Channels | 7.1 Channels |
| Max LAN Speed | 2.5Gbps |
| Wireless LAN | Wi-Fi 802.11 be |
| Bluetooth | Bluetooth 5.4 |
| Back I/O Ports | 2 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 USB | 1 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 Connectors | Fan 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 Factor | ATX |
| Dimensions (W x L) | 12.0" x 9.6" |
| Power Pin | 1 x 24-pin Main Power connector 2 x 8-pin +12V CPU Power connector |
| BIOS Feature | 256 Mb Flash ROM, UEFI AMI BIOS |
| Windows 11 | Supported |
| Features | Extreme 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 Contents | Cables 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 sur cet article
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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