ASUS ROG Strix X870-A Gaming WiFi AM5 Motherboard - DDR5, PCIe 5.0
ASUS ROG
ASUS ROG Strix X870-A Gaming WiFi AM5 Motherboard - DDR5, PCIe 5.0
The ASUS ROG Strix X870-A Gaming WiFi is an ATX motherboard for AMD AM5 processors, designed for builders who need advanced connectivity, strong power delivery, and AI-oriented platform features. It addresses the demands of high-core-count Ryzen CPUs with a 16+2+2 power stage VRM, DDR5 memory support, and dual PCIe 5.0 M.2 slots, while its white PCB and Aura Sync lighting suit builds where aesthetics matter alongside performance.
Why this product
16+2+2 VRM rated at 90A per stage
Each of the 16 core power stages is rated to handle up to 90 amps, with dual ProCool II 8-pin CPU power connectors to sustain demanding Ryzen processors under load.
Dual USB4 ports at 40 Gbps
Two rear USB4 Type-C ports support 40 Gbps transfer speeds and DisplayPort Alt mode, alongside a USB 20 Gbps front-panel connector and a 10 Gbps Type-C rear port with up to 30W power delivery.
WiFi 7 with ASUS Q-Antenna
The onboard WiFi 7 (802.11be) module supports 320 MHz channels on the 6 GHz band and 4096 QAM. The bundled Q-Antenna improves signal reception by up to 6% on 6 GHz and up to 18% on 5/2.4 GHz versus the previous generation.
Four M.2 slots, two at PCIe 5.0
Two Key-M M.2 slots run at PCIe 5.0 x4 for the fastest available SSD speeds, and two additional PCIe 4.0 M.2 slots provide expansion, all fitted with heatsinks.
AI Cache Boost for local LLM workloads
Exclusive to ASUS AMD 800 and 600 series motherboards with Ryzen 9000 Series CPUs, AI Cache Boost optimises CPU cache and memory pathways to deliver up to 29% faster local LLM performance.
ROG SupremeFX ALC4080 audio
The onboard audio features a 120 dB SNR stereo playback output, 110 dB SNR recording input, a Savitech SV3H712 amplifier, and Dolby Atmos support.
- SocketAMD AM5
- ChipsetAMD X870
- Form FactorATX (12 × 9.6 in / 30.5 × 24.4 cm)
- Memory4 × DDR5 DIMM, up to 256 GB, up to 8000+ MT/s (OC)
- WirelessWiFi 7 (802.11be), Bluetooth 5.4
- USB4 Ports2 × USB4 40 Gbps Type-C (rear)
- M.2 Slots4 × M.2 (2 × PCIe 5.0, 2 × PCIe 4.0)
- LANIntel 2.5 Gb Ethernet
- SKUASU-2733
- EAN4711387737859
- Compatible with AMD Ryzen 9000 Series, 8000 Series, and 7000 Series desktop processors via the AM5 socket.
- Supports DDR5 Un-buffered ECC and Non-ECC memory across four DIMM slots, up to 256 GB total, with speeds up to 8000+ MT/s (OC) on supported Ryzen platforms.
- Supports AMD EXPO and ASUS AEMP memory profiles for straightforward high-speed memory configuration.
- ATX form factor (12 × 9.6 inches / 30.5 × 24.4 cm) fits standard ATX mid-tower and full-tower cases.
- Not compatible with AMD AM4 processors — AM5 socket only.
- Does not support DDR4 memory — DDR5 only.
Best for
- Ryzen 9000 / 8000 / 7000 builders who want a board with a strong VRM (16+2+2, 90A per stage) to support multi-core processors without power delivery becoming a bottleneck.
- Local AI and LLM enthusiasts who will benefit from the AI Cache Boost BIOS feature, which targets up to 29% faster local large language model performance when paired with Ryzen 9000 Series CPUs.
- Connectivity-focused users who need dual USB4 40 Gbps ports, WiFi 7, Intel 2.5 Gb Ethernet, and ample front/rear USB ports in a single board.
- Storage-heavy builds where two PCIe 5.0 M.2 slots and two PCIe 4.0 M.2 slots — all with heatsinks — plus two SATA 6 Gb/s ports allow for extensive storage configurations.
- Aesthetic-focused builders who want a white PCB with Aura Sync RGB and three addressable Gen 2 RGB headers to coordinate lighting across a themed build.
Trade-offs
- AM4 platform owners — this board uses the AM5 socket exclusively and will not accept any AM4 processor.
- DDR4 memory users — the four DIMM slots are DDR5-only; existing DDR4 kits cannot be reused.
- Compact or small-form-factor builds — the ATX form factor (12 × 9.6 inches) will not fit Micro-ATX or Mini-ITX cases.
- Builders on a tight power budget — the board requires a 24-pin main connector plus two 8-pin CPU power connectors, so a PSU with dual EPS/CPU connectors is needed.
Elevate your build with the ROG Strix X870-A Gaming WiFi. Featuring a sleek white PCB and support for AMD Ryzen™ 9000 Series processors, this motherboard delivers the power and connectivity needed for advanced AI applications. With DDR5 support, full PCIe 5.0 capabilities, dual USB4® ports, and WiFi 7, it's the ultimate blend of style and performance.
The ROG Strix X870-A Gaming WiFi answers the call with rock-solid 16-stage power, hyperspeed DDR5 slots and next-gen PCIe® 5.0 connectivity. It features four M.2 SSD slots with heatsinks, USB4® support, and more.
ASUS AI INTELLIGENCE
AI CACHE BOOST — Supercharge your large language model (LLM) workflows with AI Cache Boost. Exclusive to ASUS AMD 800 and 600 series motherboards that use Ryzen™ 9000 Series CPUs, this BIOS setting optimizes CPU cache and memory pathways to deliver up to 29% faster local LLM performance with high-speed memory tuning.
AI COOLING II — Balance the thermals and acoustics of any build with a single click.
AI NETWORKING II — AI Networking II combines intelligent technologies to continuously optimize network performance, provide trustworthy and seamless connectivity, and unleash the full speed of WiFi 7.
WIFI 7
The revolutionary WiFi 7 is up to 4.8X times faster than standard WiFi 6*, thanks to tech like 320 MHz channels on the 6GHz band and 4K QAM*.
ASUS WiFi Q-Antenna — Wireless Signal Reception Improvement versus previous-generation antenna: Up to +6% 6GHz, Up to +18% 5/2.4 GHz.
ROG STRIX ULTIMATE POWER DESIGN 16+2+2
The VRM features 16+2+2 power stages, each rated to handle up to 90 amps — 16 Core Power 90A SPS, 2 GT Power 90A SPS, 2 AUX Power.
General
| Brand | ASUS ROG |
|---|---|
| Model | ROG Strix X870-A Gaming WiFi |
| Chipset | AMD X870 |
| CPU Socket | AMD AM5 — Ryzen 9000, 8000 & 7000 Series Desktop Processors |
| Form Factor | ATX, 12 × 9.6 in (30.5 × 24.4 cm) |
| BIOS | 256 Mb Flash ROM, UEFI AMI BIOS; BIOS FlashBack; Clear CMOS button |
Networking
| Standard | WiFi 7 (802.11be) |
|---|---|
| Throughput | Up to 4.8× faster than standard WiFi 6; 320 MHz channels on 6 GHz band; 4096 QAM |
| Bluetooth | Bluetooth 5.4 |
| Antenna | ASUS WiFi Q-Antenna — up to +6% 6 GHz, up to +18% 5/2.4 GHz vs previous generation |
| LAN | 1 × Intel 2.5 Gb Ethernet (10/100/1000/2500 Mbps) |
Performance & Storage
| Memory Slots | 4 × DIMM, DDR5, max 256 GB; up to 8000+ MT/s (OC); ECC and Non-ECC Un-buffered; supports AMD EXPO and ASUS AEMP |
|---|---|
| M.2 Slots | M.2_1: Key M, 2242/2260/2280, PCIe 5.0 x4; M.2_2: Key M, 2280/22110, PCIe 5.0 x4; M.2_3: Key M, 2280, PCIe 4.0 (X870 chipset); M.2_4: Key M, PCIe 4.0 (X870 chipset) |
| SATA | 2 × SATA 6 Gb/s ports |
| VRM | 16+2+2 power stages; 16 × Core Power 90A SPS, 2 × GT Power 90A SPS, 2 × AUX Power |
| Audio | ROG SupremeFX ALC4080; 120 dB SNR playback; 110 dB SNR recording; up to 32-bit/384 kHz front panel; Savitech SV3H712 AMP; Dolby Atmos; optical S/PDIF out |
Ports & Power
| Rear USB | 2 × USB4 40 Gbps Type-C (DP Alt mode); 5 × USB 10 Gbps Type-A; 1 × USB 10 Gbps Type-C (up to 30W PD); 4 × USB 5 Gbps Type-A — 12 rear ports total |
|---|---|
| Front USB Connectors | 1 × USB 20 Gbps (Type-C); 2 × USB 5 Gbps headers (4 ports); 2 × USB 2.0 headers (4 ports) — 9 front ports total |
| Video Output | 1 × DisplayPort; 1 × HDMI (rear I/O) |
| Power Connectors | 1 × 24-pin main; 2 × 8-pin +12V CPU (Dual ProCool II) |
| Fan & Cooling Headers | 1 × 4-pin CPU Fan; 1 × 4-pin CPU OPT Fan; 1 × 4-pin AIO Pump; 5 × 4-pin Chassis Fan |
| RGB Headers | 3 × Addressable Gen 2 RGB; Aura Sync |
| Accessories Included | 2 × SATA 6 Gb/s cables; ASUS WiFi Q-Antenna; cable ties; M.2 Q-Latch package; M.2 Q-Slide package; ROG key chain; ROG Strix stickers; 4 × M.2 rubber packages; quick start guide |
Shipping
All our products are shipped from the United Kingdom within 24 to 48 hours of purchase. See our Shipping and Returns page for full details.
Returns
- Tech Syndicate offers a full money-back guarantee on all purchases made in our store. If you are not satisfied with your purchase, we will provide a full refund, no questions asked.
- Refunds are available within 45 days of delivery.
- After the 45-day period you are no longer eligible for a refund, so we encourage you to try the product within the first few weeks to make sure it fits your needs.