Features

CPU & Chipset Support

• AM4 socket compatible with Ryzen 5000, 4000 G-Series, and 3000 Series processors.

• Uses the AMD B550 chipset, offering PCIe 4.0 support from the CPU lane. 

Memory

• 4 DIMM slots for DDR4, dual-channel memory architecture. 

• Supports up to 128 GB total memory. 

• Overclocked memory speeds supported: DDR4 4866 / 4800 / 4600 / 4400 / 4266 etc, depending on module and CPU. 

Expansion & Graphics Slots

• One PCIe 4.0 ×16 slot for graphics (operates at full ×16 when supported). 

• Additional PCIe slots: another ×16 (operating at ×4), and a PCIe 3.0 ×1 slot for smaller add-on cards. 

Storage Support

• Dual M.2 slots: one PCIe 4.0 ×4 / SATA mode, other supporting PCIe 3.0 / SATA + larger M.2 sizes. 

• 4 × SATA 6 Gb/s ports for additional SSDs or HDDs. 

• RAID support for SATA drives (0, 1, 10) for redundancy or performance. 

Networking & Wireless

• Integrated WiFi 6 (802.11ax) module with dual-band support. 

• 2.5 Gigabit LAN using Realtek RTL8125B with LANGuard protection. 

Display & I/O Outputs

• Output ports: 1 × DisplayPort 1.2, 1 × HDMI 2.1 (4K @ 60 Hz), depending on CPU with iGPU. 

• USB ports: includes USB Type-C + Type-A Gen2, multiple USB3.2 Gen1 ports, USB2.0, front and rear headers. 

Audio & Build Features

• Realtek ALC S1200A 7.1-channel audio codec with premium capacitors, audio shielding, dedicated PCB layers. 

• TUF protections: DIGI+ VRM, over-voltage protection, ESD guards, TUF LANGuard, SafeSlot PCIe reinforcement. 

Power & Cooling

• DrMOS power stages (10-phase) for stable supply under heavy CPU load. 

• Thermal designs include VRM heatsinks, aluminum M.2 heatsink, hybrid fan headers, fan-control utilities. 

Form Factor & Other Utilities

• Micro-ATX form factor (~24.4 × 24.4 cm) for compact builds. 

• Utilities: BIOS FlashBack button, Q-LED indicators, RGB headers, ASUS Armoury Crate, Fan-Xpert, and durable component choices. 

Conclusion

The ASUS TUF GAMING B550M-PLUS WiFi strikes an excellent balance between build quality, feature set, and price. It provides modern gaming and streaming essentials: fast memory, PCIe 4.0 support, dual M.2 storage, solid networking, and durable protections. It’s ideal for compact or mid-sized builds where reliability matters as much as performance.