ASUS ROG STRIX B850-I Gaming WiFi AM5 Mini-ITX Motherboard
ASUS ROG
ASUS ROG STRIX B850-I Gaming WiFi AM5 Mini-ITX Motherboard
The ASUS ROG STRIX B850-I Gaming WiFi is a Mini-ITX motherboard built for builders who want full-size performance in a compact chassis. It pairs an AMD B850 chipset with a 10+2+1 power solution, dual PCIe 5.0 M.2 slots, WiFi 7, and Intel 2.5 Gb Ethernet, making it suited to high-demand gaming rigs and AI PC workloads where space is at a premium. Intelligent tools including ASUS AI Overclocking, AI Networking II and AEMP reduce the friction of tuning DDR5 memory and network performance.
Why this product
AMD AM5 socket for Ryzen 7000, 8000 and 9000
It supports AMD Ryzen 9000, 8000 and 7000 series desktop processors out of the box, covering current and recent-generation AM5 CPUs.
WiFi 7 and Intel 2.5 Gb Ethernet on-board
It includes WiFi 7 (802.11be) with 160 MHz channels and 6 GHz band support, paired with Intel 2.5 Gb wired Ethernet and Bluetooth 5.4 for flexible, high-throughput connectivity.
Two PCIe 5.0 M.2 slots in a Mini-ITX footprint
Both M.2 slots run at PCIe 5.0 x4, and the primary slot is cooled by a large heatsink to sustain peak storage performance in a thermally constrained enclosure.
Robust 10+2+1 power delivery
The power solution is rated at up to 70A per stage (with the primary rails listed at 90A per stage), fed through dual 8-pin ProCool CPU power connectors to handle demanding processors and overclocking loads.
USB 20 Gbps Type-C at the rear
A rear USB 20 Gbps Type-C port provides high-speed device and storage connections, complemented by five additional USB 10 Gbps ports and a front-panel USB 10 Gbps Type-C connector.
ROG SupremeFX audio with Dolby Atmos
The ALC4080 codec with Savitech SV3H712 amplifier delivers 7.1 surround sound at up to 32-bit/384 kHz playback and 120 dB SNR stereo output, with Dolby Atmos support included.
- Form FactorMini-ITX (6.7 × 6.7 in / 17 × 17 cm)
- SocketAMD AM5
- ChipsetAMD B850
- WiFiWiFi 7 (802.11be), 160 MHz, 6 GHz
- EthernetIntel 2.5 Gb
- M.2 Slots2 × PCIe 5.0 x4
- USB (Rear, fastest)1 × USB 20 Gbps Type-C
- Warranty3 Years
- SKUASU-2681
- EAN4711387823620
- Compatible with AMD Ryzen 9000, 8000 and 7000 series desktop processors via the AMD AM5 socket.
- Supports DDR5 memory up to 128 GB across two DIMM slots, including ECC and Non-ECC Unbuffered DIMMs.
- Fits Mini-ITX cases (6.7 × 6.7 inch / 17 × 17 cm form factor).
- The PCIe x16 slot runs at PCIe 5.0 x16 with Ryzen 9000 and 7000 series processors, but drops to PCIe 4.0 x16 with Ryzen 8000 series processors.
- DDR5 overclocking speeds vary by CPU generation: up to 8200+ MT/s (OC) with Ryzen 9000, up to 9600+ MT/s (OC) with Ryzen 8000, and up to 8000+ MT/s (OC) with Ryzen 7000.
- Not compatible with AM4 or any Intel-socket processors — this board is AM5 only.
Best for
- Small-form-factor gaming builds that need full PCIe 5.0 graphics and storage support without sacrificing power delivery.
- Wireless-first setups where WiFi 7 with 6 GHz band support and Intel 2.5 Gb Ethernet cover all connectivity needs without add-in cards.
- DIY builders who value tools like BIOS FlashBack, Clear CMOS, Q-Release Slim, M.2 Q-Latch and a pre-mounted I/O shield for a less stressful assembly experience.
- AI PC workloads that benefit from a capable B850 platform with robust power stages, fast storage, and high-bandwidth networking.
- Ryzen 9000 or 7000 builders who want the full PCIe 5.0 x16 graphics slot speed and dual PCIe 5.0 M.2 storage.
Trade-offs
- ATX or Micro-ATX builds — the Mini-ITX form factor (17 × 17 cm) will not fill or mount correctly in standard mid-tower cases designed for larger boards.
- Builders needing more than two memory slots — Mini-ITX limits this board to two DIMM slots, compared to four on larger form factors.
- Ryzen 8000 series users wanting PCIe 5.0 graphics — that CPU generation limits the x16 slot to PCIe 4.0 x16 on this board.
- Builds requiring multiple expansion cards — only one PCIe x16 slot is available; there are no additional full-size expansion slots.
- Users who need more than two SATA devices — only two SATA 6 Gb/s ports are provided, limiting direct SATA drive counts.
The ROG Strix B850-I Gaming WiFi integrates cutting-edge technology into a sleek mini-ITX form factor. It features PCIe® 5.0 slots for graphics and storage, dual-channel DDR5 slots and robust power delivery for top-tier gaming and heavy workloads. Meanwhile, advanced cooling solutions maintain peak performance, and WiFi 7 ensures ultra-fast connectivity. This platform delivers the power and connectivity that advanced AI PC applications demand.
- AMD AM5 Socket: Ready for AMD Ryzen™ 9000, 8000 and 7000 series desktop processors
- Intelligent Control: ASUS AI Advisor, AI Overclocking, AI Networking II and AEMP to simplify setup and improve performance
- Robust Power Solution: 10+2+1 power solution rated for up to 70A per stage with ProCool power connectors
- Optimized Thermal Design: Massive heatsinks with integrated I/O cover and high-conductivity thermal pads
- Latest M.2 Support: Two onboard PCIe® 5.0 M.2 slots, one cooled by a large heatsink to maximize performance, and the other for additional storage
- Abundant Connectivity: USB 20Gbps Type-C® port, USB 10Gbps Type-C® front-panel connector, five additional USB 10Gbps ports, PCIe 5.0 x16 SafeSlot, HDMI™ port
- High-Performance Networking: On-board WiFi 7 (802.11be) with Intel 2.5 Gb Ethernet
- Immersive Audio: ROG SupremeFX ALC4080 codec with Savitech SV3H712 amplifier, along with Dolby Atmos®
- Unmatched Personalization: ASUS-exclusive Aura Sync RGB lighting, including two addressable Gen 2 headers
- DIY-Friendly Design: PCIe Slot Q-Release Slim, M.2 Q-Slide, M.2 Q-Latch, Q-Antenna, Q-Dashboard, Q-LED, BIOS FlashBack button, Clear CMOS button, FlexKey button and pre-mounted I/O shield
- Renowned Software: ASUS DriverHub, TurboV Core, ASUS GlideX, HWiNFO, Norton 360 for Gamers (60-day free trial), bundled 60-day AIDA64 Extreme trial subscription and intuitive UEFI BIOS dashboard
General
| Brand | ASUS ROG |
|---|---|
| Model | ROG STRIX B850-I Gaming WiFi |
| Form Factor | Mini-ITX, 6.7 × 6.7 inch (17 × 17 cm) |
| CPU Socket | AMD Socket AM5 |
| Compatible CPUs | AMD Ryzen 9000, 8000 and 7000 series desktop processors |
| Chipset | AMD B850 |
| Warranty | 3 Years |
Networking
| WiFi Standard | WiFi 7 (802.11be) |
|---|---|
| WiFi Bands | 6 GHz, 160 MHz channels, 4096 QAM |
| Ethernet | Intel 2.5 Gb Ethernet |
| Bluetooth | Bluetooth 5.4 |
| Antenna | ASUS WiFi Q-Antenna |
Performance
| Memory Slots | 2 × DIMM, DDR5, max. 128 GB |
|---|---|
| Memory Speed (OC) | Up to 8200+ MT/s (Ryzen 9000), 9600+ MT/s (Ryzen 8000), 8000+ MT/s (Ryzen 7000) |
| Memory Type | ECC and Non-ECC Unbuffered DDR5; supports AMD EXPO and ASUS AEMP |
| PCIe x16 Slot | PCIe 5.0 x16 (Ryzen 9000/7000) or PCIe 4.0 x16 (Ryzen 8000) with Q-Release Slim |
| M.2 Slots | 2 × M.2 Key M (2242/2260/2280), PCIe 5.0 x4 |
| SATA Ports | 2 × SATA 6 Gb/s |
| Power Stages | 10(90A) + 2(90A) + 1, up to 70A per stage |
| CPU Power Connectors | 2 × 8-pin +12V (ProCool); 1 × 24-pin main |
Ports & Connectivity
| USB Rear (20 Gbps) | 1 × USB Type-C |
|---|---|
| USB Rear (10 Gbps) | 4 × Type-A + 1 × USB Type-C (with DisplayPort Alt mode) |
| USB Rear (2.0) | 2 × Type-A |
| USB Front (10 Gbps) | 1 × connector (USB Type-C) |
| USB Front (5 Gbps) | 1 × header (2 × USB 5 Gbps) |
| USB Front (2.0) | 1 × header (2 × USB 2.0) |
| Video Output | 1 × HDMI 2.1 (4K@60Hz); 1 × USB Type-C with DisplayPort 1.4a (max. 4K@60Hz) |
| Audio | ROG SupremeFX 7.1, ALC4080 codec, Savitech SV3H712 AMP, 120 dB SNR playback, 32-bit/384 kHz, Dolby Atmos, optical S/PDIF out, 3 × audio jacks |
| RGB Headers | 2 × 3-pin Addressable Gen 2 (Aura Sync) |
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.