Asus Prime B550M-A WiFi II mATX AM4 Motherboard (PRIME B550M-A WIFI II)

The Asus Prime B550M-A WiFi II mATX AM4 Motherboard (PRIME B550M-A WIFI II) is a compact and reliable motherboard designed to support AMD Ryzen 5000, 4000, and 3000 series processors. Built on the AMD B550 chipset, this micro-ATX board offers an excellent balance of performance and efficiency, making it an ideal foundation for home office setups, mid-range gaming builds, and productive workstations where space is at a premium.

Equipped with comprehensive cooling solutions, including VRM and PCH heatsinks and hybrid fan headers, this motherboard ensures system stability under heavy workloads. Its support for PCIe 4.0, high-speed M.2 storage, and integrated Wi-Fi 6 connectivity provides the necessary speed and versatility to handle modern computing tasks and gaming experiences with ease.

Key Features & Specifications

  • High-Speed Memory Support — Supports dual-channel DDR4 memory with 4 DIMM slots and overclocking capability up to 4866MHz (OC).

  • Modern Connectivity — Features integrated Wi-Fi 6 and Bluetooth 5.2, alongside high-speed USB 3.2 Gen 2 Type-A ports for fast peripheral data transfer.

  • PCIe Expansion — Includes a reinforced PCIe 4.0 x16 slot for modern graphics cards, providing improved signal integrity and durability.

  • M.2 Storage Support — Features dual M.2 slots (with PCIe 4.0 support on the primary slot) to enable lightning-fast NVMe SSD performance for rapid system and application load times.

The Computer Guy Charmhaven Advantage

  • In-Store Advice: Guidance on choosing the right DDR4 DIMM capacity, speed, and motherboard compatibility for modern desktops and workstations.

  • Local Support & Advice: Assistance with installation, correct memory & storage drive pairing, and selecting CPU, Memory, and SSDs best suited for gaming, productivity, or high-performance workloads.

$149.00

Only 2 left in stock

SKU: PRIME B550M-A WiFi II Category: Brand:

Description

Additional information

Weight 1.1 kg
Dimensions 28 × 26 × 6 cm

Specifications

Important Product Information

  • Compatibility: Ensure your desktop build uses DDR4 UDIMM memory modules and that your CPU is supported by the B550 chipset (refer to official support lists).

  • Usage Notes: Actual performance varies depending on CPU memory controller, dual-channel configuration, BIOS settings, and system limitations.

Specifications Table

Feature Specification
Model Number PRIME B550M-A WIFI II
CPU Socket AM4
Motherboard Chipset AMD B550
Form Factor Micro-ATX
Memory Support DDR4
Memory Speed Support Up to 4866MHz (OC)
Memory Slots 4
PCIe Version PCIe 4.0
PCIe Slots 1x x16, 2x x1
Storage Support 2x M.2 slots + 4x SATA ports
Rear I/O Ports USB 3.2 Gen 2, USB 3.2 Gen 1, HDMI, DVI-D, D-Sub, LAN, Audio
Networking Wi-Fi 6 / Bluetooth 5.2 / 1Gb Ethernet
Audio Codec Realtek 7.1 Surround Sound
M.2 Cooling Heatsinks not included
USB-C Support None (Rear/Front)
BIOS Flashback No
Clear CMOS Button No (Header available)
Fan Headers 4 (1x CPU, 1x CPU OPT, 2x Chassis)
RGB Lighting Onboard (Aura Sync, 2x RGB headers)
What’s Included Motherboard, I/O shield, SATA cables, Wi-Fi antenna, screws, documentation