The ASUS Prime B550M‑A WIFI II AM4 delivers balanced performance and flexibility for mainstream AMD PC builds focused on gaming, productivity, and daily computing. Built with the focus keyphrase in mind, this DDR4‑based microATX motherboard supports a wide range of Ryzen processors on the AM4 platform, advanced networking, and responsive storage configurations. With dual M.2 slots and PCIe 4.0 connectivity, it ensures fast data transfer and system responsiveness for demanding tasks.
Designed for Productivity and Gaming
The ASUS Prime B550M‑A WIFI II AM4 supports AMD Ryzen 3000, 4000 G‑Series, and 5000 Series CPUs, offering stable performance for gaming and multitasking workflows. Its dual‑channel DDR4 support with speeds up to 4866 MHz (OC) allows efficient memory bandwidth for content creation and high‑FPS gaming. The integrated Intel Wi‑Fi 6 and Bluetooth provide seamless wireless connectivity alongside Gigabit Ethernet for wired networks.
Advanced Connectivity and Expandability
Equipped with multiple M.2 and SATA ports, this motherboard enables high‑speed NVMe storage and ample traditional SATA storage options. Expansion slots include a PCIe 4.0 x16 for modern GPUs and PCIe 3.0 x1 slots for additional add‑in cards. ASUS Aura Sync RGB headers allow lighting customization that integrates with other system components.
SPECIFICATIONS
- Model: ASUS Prime B550M‑A WIFI II AM4
Form Factor: Micro‑ATX (24.4 × 24.4 cm)
Chipset: AMD B550
CPU Support: AMD Ryzen 5000/4000 G/3000 Series Desktop Processors (Socket AM4) - Memory:
- 4× DDR4 DIMM Slots
- Maximum Capacity: 128GB
- Memory Speed (OC): up to 4866 MHz
- Dual Channel Architecture
- Graphics Outputs:
- 1× HDMI (4K @ 60Hz)
- 1× DVI‑D
- 1× VGA (D‑Sub)
- Expansion Slots:
- 1× PCIe 4.0 x16
- 1× PCIe 3.0 x16
- 2× PCIe 3.0 x1
- Storage:
- 2× M.2 (PCIe 4.0×4 & PCIe 3.0×4/SATA)
- 4× SATA 6Gb/s Ports
- Networking:
- Intel Wi‑Fi 6 (802.11ax)
- Bluetooth 5.2
- Realtek 1Gb Ethernet
- USB & I/O:
- USB 3.2 Gen2 Type‑A Rear Ports
- USB 3.2 Gen1 & USB 2.0 Ports
- PS/2 Combo Port
- Audio:
- Realtek 7.1‑Channel HD Audio Codec
- Audio Shielding and Premium Capacitors
- Cooling & Features:
- VRM Heatsink, PCH Heatsink
- Hybrid Fan Headers
- ASUS Fan Xpert 2+ Utility




