The ASUS Prime B550M-A WiFi II is a feature-rich Micro-ATX motherboard built on the AMD B550 chipset, designed for use with AMD Ryzen 3000 and 5000 Series processors via the AM4 socket. With support for up to 128GB of DDR4 memory across four DIMM slots in a dual-channel configuration, and memory speeds ranging from 2133MHz up to 4866MHz, this board offers solid performance headroom for a wide range of build types. Its compact 244 x 244mm form factor makes it well suited for space-conscious builds without sacrificing functionality.
Connectivity and Expansion The ASUS Prime B550M-A WiFi II provides extensive connectivity options, including four SATA III ports, two M.2 slots, one PCIe 3.0 x16 slot, and two PCIe 3.0 x1 slots. On the rear panel, users will find a VGA port, DVI-D, and an HDMI 2.1 output, alongside four USB 3.2 Gen 1 Type-A ports and two USB 3.2 Gen 2 Type-A ports. Additional headers support further USB expansion, while Gigabit Ethernet via the Realtek RTL8111H controller ensures reliable wired networking.
Wireless and Audio Capabilities Wireless connectivity is handled by a Wi-Fi 6 (802.11ax) adapter with support for legacy standards, complemented by Bluetooth 5.2 for broader device compatibility. Audio performance is enhanced through a 7.1-channel output system, with a front panel audio connector, headphone output, microphone port, and S/PDIF output rounding out the audio features. Wake-on-LAN support adds further versatility for remote management scenarios.