ASUS ROG Strix B850-A Gaming WiFi (AM5)

Description

Overview

The ASUS ROG Strix B850-A Gaming WiFi is an ATX AM5 motherboard designed for AMD Ryzen desktop processors (7000, 8000 and 9000 series). It combines DDR5 memory support, PCIe 5.0 for the primary expansion slot and a modern connectivity stack that includes Intel 2.5Gb Ethernet and 2×2 Wi‑Fi 7 with Bluetooth 5.4. The board targets gamers and content creators who want a feature‑rich, mid‑range ROG platform with multiple high‑speed storage options. ([rog.asus.com](https://rog.asus.com/uk/motherboards/rog-strix/rog-strix-b850-a-gaming-wifi/spec/))

Key features

• Socket AM5 supporting AMD Ryzen 9000/8000/7000 series CPUs. ([rog.asus.com](https://rog.asus.com/uk/motherboards/rog-strix/rog-strix-b850-a-gaming-wifi/spec/))
• AMD B850 chipset with ATX form factor (30.5 x 24.4 cm). ([rog.asus.com](https://rog.asus.com/uk/motherboards/rog-strix/rog-strix-b850-a-gaming-wifi/spec/))
• 4 x DDR5 DIMM slots, up to 256GB and support for 8000+ MT/s (OC) with compatible CPUs. ([rog.asus.com](https://rog.asus.com/uk/motherboards/rog-strix/rog-strix-b850-a-gaming-wifi/spec/))
• End‑to‑end PCIe 5.0 support for the primary PCIe x16 slot and PCIe 5.0-capable M.2_1 (depending on CPU). ([rog.asus.com](https://rog.asus.com/uk/motherboards/rog-strix/rog-strix-b850-a-gaming-wifi/spec/))
• Four M.2 slots plus two SATA 6Gb/s ports for flexible NVMe and SATA storage. ([rog.asus.com](https://rog.asus.com/uk/motherboards/rog-strix/rog-strix-b850-a-gaming-wifi/spec/))
• Integrated Intel 2.5Gb Ethernet and 2×2 Wi‑Fi 7 (up to 2.9Gbps) with Bluetooth 5.4. ([rog.asus.com](https://rog.asus.com/uk/motherboards/rog-strix/rog-strix-b850-a-gaming-wifi/spec/))
• ROG SupremeFX ALC4080 audio, extensive USB (including a 20Gbps USB‑C), Aura Sync RGB and ASUS utility suite. ([rog.asus.com](https://rog.asus.com/uk/motherboards/rog-strix/rog-strix-b850-a-gaming-wifi/spec/))

Technical summary

This ROG Strix board ships with a pre‑mounted I/O shield, M.2 heatsinks and a Wi‑Fi Q‑antenna; the official product number is 90MB1J50‑M0EAY0 and the EAN is 4711387772676. For the latest CPU compatibility list and BIOS updates, consult ASUS Support before installing newly released Ryzen processors. ([webshop.asus.com](https://webshop.asus.com/ch-en/90MB1J50-M0EAY0/ASUS-ROG-STRIX-B850-A-GAMING-WIFI-Mainboard-Sockel-AMD-AM5))