---
product_id: 467879695
title: "Prime B550M-A WiFi II AMD Micro ATX Motherboard with PCIe 4.0, WiFi 6, ECC Memory, HDMI 2.1, RGB Header"
brand: "asus"
price: "$237.18"
currency: USD
in_stock: true
reviews_count: 13
category: "Asus"
url: https://www.desertcart.us/products/467879695-prime-b550m-a-wifi-ii-amd-micro-atx-motherboard-pcie
store_origin: US
region: United States of America
---

# PCIe 4.0 x16 for ultra-fast data WiFi 6 & Bluetooth 5 for seamless connectivity Advanced cooling with VRM & PCH heatsinks Prime B550M-A WiFi II AMD Micro ATX Motherboard with PCIe 4.0, WiFi 6, ECC Memory, HDMI 2.1, RGB Header

**Brand:** asus
**Price:** $237.18
**Availability:** ✅ In Stock

## Summary

> 🚀 Power Your Build with Speed, Stability & Style!

## Quick Answers

- **What is this?** Prime B550M-A WiFi II AMD Micro ATX Motherboard with PCIe 4.0, WiFi 6, ECC Memory, HDMI 2.1, RGB Header by asus
- **How much does it cost?** $237.18 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/467879695-prime-b550m-a-wifi-ii-amd-micro-atx-motherboard-pcie)

## Best For

- asus enthusiasts

## Why This Product

- Trusted asus brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rock-Solid Protection:** 5X Protection III shields your investment with LANGuard, overvoltage, and SafeSlot Core safeguards.
- • **Next-Gen Speed & Power:** Harness PCIe 4.0 and AMD Ryzen 3rd Gen for lightning-fast performance and future-proof upgrades.
- • **Seamless Wireless Freedom:** Built-in WiFi 6 and Bluetooth 5 eliminate cable clutter and keep you connected with rock-solid signals.
- • **Comprehensive Cooling System:** Stay cool under pressure with VRM & PCH heatsinks plus hybrid fan headers controlled by Fan Xpert 2.
- • **Optimized Memory Performance:** ASUS OptiMem tech boosts RAM frequencies while lowering voltage for peak multitasking and gaming.

## Overview

The ASUS Prime B550M-A WiFi II is a micro-ATX motherboard designed for 3rd Gen AMD Ryzen processors, featuring PCIe 4.0 support, integrated WiFi 6 and Bluetooth 5, advanced cooling solutions, and robust hardware protections. It offers a balanced mix of cutting-edge connectivity, memory optimization, and durable build quality, making it an ideal foundation for professional-grade, future-ready PC builds.

## Description

Powered by 3rd Gen AMD® Ryzen™ processors, the ASUS Prime B550M-A WiFi II delivers next-generation speeds with PCIe 4.0, WiFi 6 and 1Gb LAN. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, the ASUS Prime B550M-A WiFi 6 provides mainstream PC users and DIY PC builders with a perfect all-around foundation via intuitive software and firmware features.

Review: Great board at a reasonable price - Solid board, everything worked out of the box. Driver update tool that tries to install also tries to launch automatically run under every profile but requires admin credentials to do so, so I uninstalled that.
Review: Reliable and Hassle-Free Choice! (IYKYK) - TBH, I picked this board mainly to pair with my Ryzen 5, and the build experience was better than expected. The biggest highlight has to be the integrated Wi-Fi and Bluetooth. It saved me from the hassle of running cables at home; the signal is rock solid, and it saved me the cost of an extra network card—10/10, worth it! The BIOS is super user-friendly, allowing even a beginner builder to easily set up XMP. No cap. Tbh, the port selection is kinda basic, but it’s def sufficient for daily use. The PCIe 4.0 support gives me peace of mind for future SSD upgrades. If your priority is stability, ease of use, and a no-fuss setup, this M-ATX board is a top-tier value pick among B550s. Highly recommended for stable performance-seekers like me! Goated board.

## Features

- AMD AM4 Socket and PCIe 4.0: The perfect pairing for 3rd Gen AMD Ryzen CPUs
- Ultrafast Connectivity: 1x PCIe 4.0 x16 SafeSlot, WiFi 6 (802.11ax), 1Gb LAN, dual M.2 slots (NVMe SSD)—one with PCIe 4.0 x4 connectivity, USB 3.2 Gen 2 Type-A , HDMI 2.1 (4K at 60HZ), D-Sub & DVI
- Comprehensive Cooling: VRM heatsink, PCH heatsink, hybrid fan headers and Fan Xpert 2 utility
- 5X Protection III: all-round protection with LANGuard, DRAM overcurrent protection, overvoltage protection, SafeSlot Core safeguards and stainless-steel back I/O
- Boosted Memory Performance: ASUS OptiMem proprietary trace layout allows memory kits to operate at higher frequencies with lower voltages to maximize system performance.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B5M97W1T |
| Best Sellers Rank | #14 in Computer Motherboards |
| Brand | ASUS |
| CPU Model | Others |
| CPU Socket | Socket AM4 |
| Chipset Type | AMD B550 |
| Compatible Devices | Personal Computer |
| Compatible Processors | AMD 3rd Generation Ryzen |
| Customer Reviews | 4.4 out of 5 stars 942 Reviews |
| Graphics Card Interface | PCI Express |
| Item Dimensions L x W x H | 10.5"L x 2.8"W x 10.8"H |
| Item Type Name | Computer motherbaord |
| Item Weight | 2.55 Pounds |
| Main Power Connector Type | 24-Pin |
| Manufacturer | ASUS |
| Memory Clock Speed | 2133 MHz |
| Memory Slots Available | 4 |
| Memory Storage Capacity | 128 GB |
| Mfr Part Number | PRIME B550M-A WIFI II |
| Model Name | PRIME B550M-A WIFI II |
| Model Number | PRIME B550M-A WIFI II |
| Number of Ethernet Ports | 1 |
| Number of Ports | 13 |
| Platform | Windows 10 |
| Processor Socket | Socket AM4 |
| RAM Memory Technology | DDR4 |
| Ram Memory Maximum Size | 128 GB |
| S/PDIF Connector Type | Optical |
| System Bus Standard Supported | SATA 3 |
| Total Number of HDMI Ports | 1 |
| Total PCIe Ports | 3 |
| Total SATA Ports | 4 |
| Total Usb Ports | 6 |
| UPC | 195553309752 |
| USB 2.0 | 11 |
| Warranty Description | 3 Years |

## Product Details

- **Brand:** ASUS
- **CPU Model:** Others
- **CPU Socket:** Socket AM4
- **Chipset Type:** AMD B550
- **Compatible Devices:** Personal Computer
- **Compatible Processors:** AMD 3rd Generation Ryzen
- **Memory Clock Speed:** 2133 MHz
- **Model Name:** PRIME B550M-A WIFI II
- **Platform:** Windows 10
- **RAM Memory Technology:** DDR4

## Images

![Prime B550M-A WiFi II AMD Micro ATX Motherboard with PCIe 4.0, WiFi 6, ECC Memory, HDMI 2.1, RGB Header - Image 1](https://m.media-amazon.com/images/I/51ZUnFrLVVL.jpg)
![Prime B550M-A WiFi II AMD Micro ATX Motherboard with PCIe 4.0, WiFi 6, ECC Memory, HDMI 2.1, RGB Header - Image 2](https://m.media-amazon.com/images/I/81oL7uVTGcL.jpg)
![Prime B550M-A WiFi II AMD Micro ATX Motherboard with PCIe 4.0, WiFi 6, ECC Memory, HDMI 2.1, RGB Header - Image 3](https://m.media-amazon.com/images/I/81apQwdCaML.jpg)
![Prime B550M-A WiFi II AMD Micro ATX Motherboard with PCIe 4.0, WiFi 6, ECC Memory, HDMI 2.1, RGB Header - Image 4](https://m.media-amazon.com/images/I/81iKIE31-WL.jpg)
![Prime B550M-A WiFi II AMD Micro ATX Motherboard with PCIe 4.0, WiFi 6, ECC Memory, HDMI 2.1, RGB Header - Image 5](https://m.media-amazon.com/images/I/711x3H-QJsL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Questions & Answers

**Q: Does it support Ryzen 5000 series?**
A: Yes I have a ryzen 7 5700G in mine, recognized and booted fine.

**Q: Does it have out of the box support for ryzen 5 5600G?**
A: The ASUS Prime B550-Plus motherboard has supported the Ryzen 5 5600G (3.9GHz,45-65W, L3:16M,6C) since bios version 1401. The latest bios, as of today, is now 2423 so you should be good if you're buying a new motherboard.

https://www.asus.com/us/Motherboards-Components/Motherboards/PRIME/PRIME-B550-PLUS/HelpDesk_CPU/

**Q: Does it work with a nzxt h210 case?**
A: No it does not fit to H210.   You need itx MB

**Q: Soporta procesador ryzen 5 3600?**
A: Yes it is

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great board at a reasonable price
*by N***L on May 3, 2026*

Solid board, everything worked out of the box. Driver update tool that tries to install also tries to launch automatically run under every profile but requires admin credentials to do so, so I uninstalled that.

### ⭐⭐⭐⭐⭐ Reliable and Hassle-Free Choice! (IYKYK)
*by J***O on November 13, 2025*

TBH, I picked this board mainly to pair with my Ryzen 5, and the build experience was better than expected. The biggest highlight has to be the integrated Wi-Fi and Bluetooth. It saved me from the hassle of running cables at home; the signal is rock solid, and it saved me the cost of an extra network card—10/10, worth it! The BIOS is super user-friendly, allowing even a beginner builder to easily set up XMP. No cap. Tbh, the port selection is kinda basic, but it’s def sufficient for daily use. The PCIe 4.0 support gives me peace of mind for future SSD upgrades. If your priority is stability, ease of use, and a no-fuss setup, this M-ATX board is a top-tier value pick among B550s. Highly recommended for stable performance-seekers like me! Goated board.

### ⭐⭐⭐⭐⭐ built in bluetooth 5 and wifi 6 at an affordable price
*by W***M on December 13, 2025*

NOTICE: When installing the audio and network drivers, you may need to use the CD included since that is how the drivers were able to be successfully installed for those components. Downloading from the website did not work, and the CD installer will auto detect and mark what drivers are installed. Great motherboard particularly if you get it sub $90. It has BT 5+ and comes with WIFI6 chip and an antenna which works tremendous compared to my external Wifi 6 adapter. No USB-C and only one HDMI port along with older video ports, but the trade offs are that it comes with Bluetooth and Wifi 6. It does have PCIE4 x16 and (1)PCIE4 x4 m.2 along with a PCIE3 x4 m.2. Highly recommend it if you want a B550 chipset micro-atx board with built in bluetooth and wifi 6 modules.

## Frequently Bought Together

- ASUS Prime B550M-A WiFi II AMD Micro ATX Motherboard with PCIe 4.0, WiFi 6, ECC Memory, HDMI 2.1, RGB Header
- AMD Ryzen 5 5500 6-Core, 12-Thread Unlocked Desktop Processor with Wraith Stealth Cooler
- ARCTIC MX-4 (4 g) - Premium Performance Thermal Paste for All Processors (CPU, GPU - PC), Very high Thermal Conductivity, Long Durability, Safe Application, Non-Conductive

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-16*